Today, the biggest killers stem as much from our lifestyles as from bacteria and viruses. One of the worst of these is heart disease, and specifically high blood pressure. It’s a slow, but efficient killer that robs many people of what should be the last 10, 20 or 30 years of their lives.
Scientists are claiming that they have now separated unusual ingredients in a rare seaweed discovered by fishermen off the coast of Korea that offer incredible health benefits—including the ability to restore blood pressure to normal levels.
Dr. Haengwoo Lee, a famous biochemist conducted a clinical study on these two ingredients. The first is Seanol, an extremely rare seaweed extract(濃縮物) from Ecklonia Cava that's proven to be 100 times more powerful than any land-based antioxidant(抗氧化劑). That's because it stays working in your body for 12 hours, compared to land-based antioxidants that work for 30 minutes. "Its secret is its make-up of special chemicals that are a huge 40% fat soluble( 可溶的)," Dr. Lee explains. "Unlike nearly all land-based antioxidants that are water soluble, Seanol's protective compounds can get into things like the fatty tissues of your brain and penetrate(滲透) all three layers of your cells, including the outside, the oil-based cell membranes(細(xì)胞膜), and your DNA." Indeed, Seanol is so powerful, it's the only FDA-approved Ecklonia Cava marine-algae (海藻) extract in existence.
The second ingredient is Calamarine, a deep-sea omega-3 discovery that delivers 85% more DHA omega-3s to your heart, brain, joints, and eyes. It's known to reduce the problems from tiredness and poor memory, joint pain, mood swings and depression.
With that research in mind, Dr. Lee combined Seanol and Calamarine with a high dose of vitamin D to form Marine-D3, the newest supplement in the fight against age-related illnesses and high blood pressure.
Dr. Lee found that Calamarine delivers some of the greatest concentration of omega-3s known to science. Combined with Seanol's ability to reduce body inflammation(炎癥), as well as help cells get the nutrients they need to thrive, stay healthy and protected, Marine-D3 is able to boost a body's entire well being.
The makers of Marine-D3 are so confident that you'll see fast dramatic results from this product, that if you aren't happy after two full months, simply return the unused portion and they'll buy it back. They'll even give you ten dollars extra just for giving it an honest try! That kind of faith, combined with Dr. Lee's exhaustive research, shows that Marine-D3 really is a one-of-a-kind product.
【小題1】From the first paragraph we can infer that ________.
A.Our lifestyles result from the biggest killers |
B.our lifestyles do less harm to our bodies than bacteria and viruses do. |
C.High blood pressure left untreated may cause shorter life. |
D.Heart disease is incurable. |
A.Fishermen off the coast of Korea have isolated unusual ingredients. |
B.Scientists have purified ingredients that can lower blood pressure to normal standard. |
C.Scientists discovered a rare seaweed. |
D.Scientists have imagined a medicine that treat blood pressure. |
A.According to FDA , Seanol reaches the agreed standard. |
B.Seanol can be fat soluble entirely. |
C.Seanol is a common seaweed extract fromEcklonia Cava. |
D.Seanol's protective compounds can get into all things like the fatty tissues of your brain. |
A.pessimistic | B.indifferent | C.doubtful | D.Optimistic |
【小題1】C
【小題2】B
【小題3】A
【小題4】D
【小題5】D
解析試題分析:本文介紹了科學(xué)家從一種罕見的海藻中提取到了兩種對高血壓和減少疲勞和記憶力問題的成分。這兩種成分制成的藥品對對抗老年性疾病和高血壓有很好的療效。
【小題1】推理題:根據(jù)文章第一段“It’s a slow, but efficient killer that robs many people of what should be the last 10, 20 or 30 years of their lives”它是緩慢卻很有效的殺手,奪去了許多人本可以在持續(xù)10年、20年或30年的生命。此處的“它”指的是高血壓,由此可知高血壓會縮短我們的壽命。故選C。
【小題2】推理題:閱讀第二段可知科學(xué)家已經(jīng)發(fā)現(xiàn)一種可以使血壓恢復(fù)到正常水平的有效成分。故選B。
【小題3】細(xì)節(jié)題:根據(jù)第三段最后一句“Indeed, Seanol is so powerful, it's the only FDA-approved Ecklonia Cava marine-algae (海藻) extract in existence.”事實(shí)上,Seanol有如此強(qiáng)大的功效,它是唯一一個(gè)由FDA批準(zhǔn)從Ecklonia靜脈海藻中提純的物質(zhì),由此可知是符合標(biāo)準(zhǔn)的,故A項(xiàng)正確;根據(jù)第三段中“a huge 40% fat soluble”40%脂溶性,可知B項(xiàng)錯(cuò)誤;根據(jù)第三段中“an extremely rare seaweed extract(濃縮物) from Ecklonia Cava”一種很罕見的Ecklonia靜脈海藻萃取液,可知C項(xiàng)錯(cuò)誤;根據(jù)第三段中“Seanol's protective compounds can get into things like the fatty tissues of your brain”Seanol保護(hù)化合物可以進(jìn)入大腦的脂肪組織,而并不是“all things”所有物質(zhì),故D錯(cuò)誤。故選A。
【小題4】推理題:閱讀第四段可知第二種成分Calamarine可減少疲勞和記憶力的問題,緩解關(guān)節(jié)疼痛、情緒波動和抑郁癥。由此可知它可以緩解疼痛,使人輕松。故選D。
【小題5】推理題:pessimistic悲觀的;indifferent中立的;doubtful懷疑的;Optimistic樂觀的。閱讀最后兩段內(nèi)容可知這兩種物質(zhì)制成的藥品效果很好,還有促銷手段,市場前景良好,可見作者對此持有樂觀情緒。故選D。
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科目:高中英語 來源: 題型:閱讀理解
Expensive and new gloves allow chatterboxes(話匣子)to take the term “handsfree” to a new level—by talking into them as they make a call. The gloves are known as “Talk to the Hand” and cost £1,000 a pair. They fixed a speaker unit into the thumb and a microphone into the little finger that can be connected to any mobile handset using Bluetooth.
Artist Sean Miles designed the new gloves that double as a phone in part of his project that shows the possibilities of gadget(小配件) recycling. He uses outdated gloves and combines them with parts from mobile handsets recycled through O2, which commissioned(承擔(dān))the project. Mobile phone users will be able to keep their hands warm while they chat without taking their phones out of their pockets or handbags.
Mr Miles designed two pairs of the new gloves—one in pink and the other in brown and yellow. They will appear in an exhibition this July and visitors will be able to win the gloves. If demand is high, they will then be produced on a larger scale. O2 Recycle, which backed the project, estimates that there are already 70 million unused mobile handsets in the UK. The service pays up to £260 to those who recycle gadgets including phones, handheld consoles, MP3 players and digital cameras.
Designer Sean Miles hopes his work will get people thinking about recycling. The 41-year-old said, “I hope that my ‘Talk to the Hand’ project will get people to think again about the waste created by not recycling gadgets. If a few more people recycle their gadgets rather than send them to trash, I think this project will have fulfilled its aim.”
Bill Eyres, head of O2 Recycle, urges people to recycle their phone responsibly. He said, “There’s a pressing need for all of us to look at outdated handsets, and all the gadgets that we move on from or upgrade each year. Whether they are consoles or cameras, we should think of them as a resource that we need to recycle responsibly rather than throw them away.”
【小題1】The underlined word “O2” in Paragraph 2 is probably the name of ______.
A.a(chǎn)n artist | B.a(chǎn) company | C.a(chǎn) mobile | D.a(chǎn)n exhibition |
A.in the exhibition | B.from Mr Miles |
C.when they are mass produced | D.a(chǎn)fter they recycle the gadgets |
A.promote the technology of IT |
B.enable people to talk to their hands |
C.raise people’s awareness of recycling |
D.a(chǎn)ttract visitors’ attention in the exhibition |
A.New mobiles that are fashionable. |
B.Outdated handsets that are upgraded. |
C.Outdated gadgets that can be used for recycling. |
D.New gloves that can be used for making phone calls. |
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科目:高中英語 來源: 題型:閱讀理解
Many people think of the brain as a mystery.They don't know much about intelligence and how it works.When they do think about what intelligence is,many people believe that a person is born smart,average,or dumb—and stays that way in the whole life.But new research shows that the brain is more like a muscle—it changes and gets stronger when you use it.And scientists have been able to show just how the brain grows and gets stronger when you learn.
Everyone knows that when you lift weights,your muscles get bigger and you get stronger.A person who can't lift 20 pounds when he/she starts exercising can get strong enough to lift 100 pounds after working out for a long time.That's because the muscles become larger and stronger with exercise.And when you stop exercising,the muscles shrink and you get weaker.That's why people say “Use it or lose it!”
But most people don't know that when they practice and learn new things,parts of their brain change and get larger a lot like muscles do when they exercise. Inside the cortex(皮層)of the brain are billions of tiny nerve cells,called neurons. The nerve cells have branches connecting them to other cells in a complicated network. Communication between these brain cells is what allows us to think and solve problems. When you learn new things,these tiny connections in the brain actually multiply and get stronger.The more you challenge your mind to learn,the more your brain cells grow.Then,things that you once found very hard or even impossible to do—like speaking a foreign language or doing algebra(代數(shù))—seem to become easy after learning them for a period of time.The result is a stronger,smarter brain.
Scientists started thinking that the human brain could develop and change when they studied animals'brains.They found out that animals that lived in a challenging environment were more perspicacious—they were better at solving problems and learning new things.
【小題1】According to the first paragraph,________.
A.the function of our brain is like that of the muscle |
B.until now it's impossible to explain the brain's mystery |
C.many people believe one's intelligence is naturally determined |
D.one's brain grows stronger as the age increases |
A.using the brain |
B.connecting things in your brain |
C.lifting weights |
D.doing research about the brain |
A.Strong. | B.Smart. |
C.Popular. | D.Active. |
A.the differences between animals'brains and humans'brains |
B.the relation between human brains and muscles |
C.scientists' findings about animals' brains |
D.how to make your brain smarter through self?development |
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科目:高中英語 來源: 題型:閱讀理解
The extraordinary Eastgate Building in Harare, Zimbabwe’s capital city, is said to be the only one in the world to use the same cooling and heating principles as the termite mound(白蟻堆).
Architect Mick Pearce used precisely the same strategy when designing the Eastgate Building, which has no air-conditioning and almost no heating. The building—the country’s largest commercial and shopping complex—uses less than 10% of the energy of a conventional building of its size. The Eastgate’s owners saved $3.5 million on a $36 million building because an air-conditioning plant didn’t have to be imported.
The complex is actually two buildings linked by bridges across a shady, glass-roofed atrium(天井) open to the air. Fans suck fresh air in from the atrium, blow it upstairs through hollow spaces under the floors and from there into each office through baseboard vents(通風(fēng)口). As it rises and warms, it is drawn out via ceiling vents and finally exists through forty-eight brick chimneys.
During summer’s cool nights, big fans blow air through the building seven times an hour to cool the empty floors. By day, smaller fans blow two changes of air an hour through the building, to circulate the air which has been in contact with the cool floors. For winter days, there are small heaters in the vents.
This is all possible only because Harare is 1600 feet above sea level, has cloudless skies, little dampness and rapid temperature swings—days as warm as 31℃ commonly drop to 14℃ at night. “You couldn’t do this in New York, with its fantastically hot summers and fantastically cold winters,” Pearce said.
The engineering firm of Ove Arup&Partners monitors daily temperatures. It is found that the temperature of the building has generally stayed between 23℃ and 25℃, with the exception of the annual hot period just before the summer rains in October and three days in November, when a doorkeeper accidentally switched off the fans at night. And the air is fresh—far more so than in air-conditioned building, where up to 30% of the air is recycled.
【小題1】What’s the meaning of “complex” in the second paragraph?
A.Something that is difficult to understand. |
B.A group of buildings together in one place. |
C.A group of things that are connected. |
D.A mental state that is not normal. |
A.By fans. | B.Via ceiling vents. |
C.Through chimneys. | D.Via ceiling vents and through chimneys. |
A.Skies without clouds. |
B.Little dampness. |
C.Daily rapid temperature changes |
D.Seasonal rapid temperature changes. |
A.It changes in a certain range with some exception. |
B.It changes from one extreme to another. |
C.It remains the same without any exception. |
D.It is hard to endure. |
A.The engineering firm of Ove Arup&Partners. |
B.How air-conditioning works. |
C.Fans make Eastgate Building’s temperature comfortable. |
D.How Eastgate Building’s temperature control system works. |
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科目:高中英語 來源: 題型:閱讀理解
It doesn’t kill germs better than cooler water, but turning tap temperatures high, the US burns carbon equal to the emissions of Barbados.
People typically wash their hands seven times a day in the United States, but they do it at a far higher temperature than is necessary to kill germs, a new study says. The energy waste is equivalent to the fuel use of a small country.
It’s cold and flu season, when many people are concerned about avoiding germs. But forget what you think you know about hand washing, say researchers at Vanderbilt University. Chances are good that how you clean up is not helping you stay healthy; it is helping to make the planet sick.
Amanda R. Carrico, a research assistant professor at the Vanderbilt Institute for Energy and Environment in Tennessee, told National Geographic that hand washing is often “a case where people act in ways that they think are in their best interest, but they in fact have inaccurate beliefs or outdated perceptions.”
Carrico said, “It’s certainly true that heat kills bacteria, but if you were going to use hot water to kill them it would have to be way too hot for you to tolerate.”
She explained that boiling water, 212°F (99.98°C), is sometimes used to kill germs - for example, to clean drinking water that might be polluted with germs. But “hot” water for hand washing is generally within 104°F to 131°F (40°C to 55°C.) At the high end of that range, heat could kill some germs, but the sustained contact that would be required would scald the skin.
Carrico said that after a review of the scientific literature, her team found “no evidence that using hot water that a person could stand would have any benefit in killing bacteria.” Even water as cold as 40°F (4.4°C) appeared to reduce bacteria as well as hotter water, if hands were scrubbed, rinsed(沖洗)and dried properly.
In fact, she noted that hot water can often have an unfavorable effect on hygiene. “Warmer water can harm the skin and affect the protective layer on the outside, which can cause it to be less resistant to bacteria,” said Carrico.
Using hot water to wash hands is therefore unnecessary, as well as wasteful, Carrico said, particularly when it comes to the environment. According to her research, people use warm or hot water 64 percent of the time when they wash their hands. Using that number, Carrico’s team calculated a significant impact on the planet.
“Although the choice of water temperature during a single hand wash may appear minor, when multiplied by the nearly 800 billion hand washes performed by Americans each year, this practice results in more than 6 million metric tons of CO2 equivalent emissions annually,” she said.
That’s roughly equal to the emissions of two coal-fired power plants, or 1,250,000 passenger vehicles, over the course of a year. It’s higher than the greenhouse gas emissions of small countries like El Salvador or Armenia, and is about equivalent to the emissions of Barbados. If all US citizens washed their hands in cooler water, it would be like eliminating the energy-related carbon emissions of 299,700 US homes, or the total annual emissions from the US zinc or lead industries.
The researchers found that close to 70 percent of respondents said they believe that using hot water is more effective than warm, room temperature, or cold water, despite a lack of evidence backing that up, said Carrico. Her study noted research that showed a “strong cognitive(認(rèn)知的) connection” between water temperature and hygiene in both the United States and Western Europe, compared to other countries, like Japan, where hot water is associated more with comfort than with health.
The researchers published their results in the July 2013 issue of International Journal of Consumer Studies. They recommended washing with water that is at a “comfortable” temperature, which they noted may be warmer in cold months and cooler in hot ones.
【小題1】What does the writer mainly focus on when writing this passage?
A.Whether hot water helps kill germs effectively in hand washing. |
B.How hot water contributes to the serious worsening of our planet. |
C.Why the consumption of hot water is unnecessary and wasteful. |
D.What the advantages and disadvantages of using hot water are. |
A.burn | B.improve | C.soften | D.wrinkle |
A.two coal-fired power plants | B.US zinc or lead industries |
C.1,250,000 passenger vehicles | D.El Salvador or Armenia |
A.Universal Science Fiction | B.Science & Discoveries |
C.Environment & Protection | D.Exploration of America |
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科目:高中英語 來源: 題型:閱讀理解
There has been a large increase in the number of natural disasters over the past few years, and it is believed that global warming and climate change could cause even more disasters in thefuture. Some of the world’s leading cities are facing disasters like floods and heat waves.
London
London’s flood defences are getting older. Since 1982, the Thames Barrier(水閘)has protected the city from the threat (威脅)of flooding, but it was only designed to last until 2030 and close once every two or three years. About 31 years later the barrier now closes five or six times a year and according to Environment Agency predictions, by 2050 the barrier will be closed on almost every tide if the problem is not solved
There are 26 underground stations, 400 schools, 16 hospitals, an airport and 80 billion worth of property(財(cái)產(chǎn))in London’s flood risk area, so large scale flooding would be disastrous.
Paris
Over a six week period in July and August 2003, more than 1 1,400—mainly elderly people—died in France from dehydration(脫水)and extremely high body temperature in a deadly heat wave. Heat waves of similar intensity(強(qiáng)度)are expected every seven years by 2050, so what can be done to make sure such a disaster does not happen again?
One solution is to have air-conditioners installed(安裝)in elderly care homes. But this is considered a short-term solution, as the increase in demand for electricity also increases carbon emissions(排放).
In Paris the local authorities are encouraging architects to design new types of buildings such as the building “Flower Tower,” which uses a covering of bamboo to act as a natural air-conditioner.
Shanghai
Shanghai is the fastest growing city on Earth. It has a population of 18 million and is only 4 meters above sea level. Sea levels are predicted to rise by 20 cm within the next century.
About 250,000 people move to Shanghai every year in search of work, placing extra demands on energy consumption(消耗). China depends heavily on coal—fired power stations, but these emissions increase temperatures and, in turn, warmer seas increase the risk of typhoons.
【小題1】What problem should be settled now in London?
A.How to protect the city’s property |
B.Where to build its flood defences |
C.How to use the Thames Barrier to protect the city |
D.How to improve the function of the old flood defences |
A.Putting up new types of buildings with a covering of bamboo. |
B.Having air-conditioners installed in elderly care homes. |
C.Forbidding the city to build “Flower Tower”. |
D.Encouraging architects to design new types of buildings. |
A.increasing population and coal-fired power stations |
B.rising sea levels and typhoons |
C.extremely high temperature and rising sea levels |
D.extra demands on energy consumption and typhoons |
A.to tell us how to protect the big cities |
B.to give advice on how to defend natural disasters |
C.to explain what causes flood and heat waves |
D.to warn us of the increasing natural disasters in big cities |
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科目:高中英語 來源: 題型:閱讀理解
Electrical devices(儀器)could soon use power made by human energy. Scientists say they have developed an experimental device that produces electricity from the physical movement of a person walking , British scientist Max Donelan and other scientists in Canada and the United States developed the device.
The device connects to a person’s knee. As the person walks ,the device captures energy each time the person slows down. To do this ,the device helps with the slowing sown movement of the leg, the movements of the walking person push parts of a small machine that produces electricity. Using the device, an adult walking quickly could produce thirteen watts of electricity in just a minute. Donelan says walking at that speed could produce enough power to operate a laptop computer for six minutes.
There are several possible uses for the device. Developers say it could help people who work in areas without electricity to operate small computers. The device could also he used in hospitals to operate heart pacemakers(起博器), it could even be used to assist in the movement of robotic arms and legs.
The experimental version of the device weighs about one and a half kilograms, but it is too costly for most people to buy, but the researchers hope to make a lighter, less costly version, An improved version should be ready in one year.
The developers hope the device will one day help developing countries; nearly twenty five percent of people around the world live without electric power.
A similar product was invented in 2005 by Larry Rome of the University of Pennsylvania, He created a bag carried on a person’s back that also produces power from walking. The knee device does not produce as much electricity as the bag, but the bag requires the walker to carry a load of twenty to thirty kilograms.
【小題1】. The second paragraph mainly talks about
A.who developed the device | B.how the device works |
C.several possible uses for the devices | D.how much electricity the device can produce |
A.It is too heavy for the walker to bear | B.It is too complex for people to use |
C.It is too expensive for most people to afford | D.It will slow down one’s walking speed |
A.produces power without adding more loads to the walker |
B.can produce more power in a much shorter time |
C.needs to be equipped with a battery |
D.can help the walker walk faster |
A.help housewives operate the washing machine |
B.make it much easier for us to go online |
C.produce more electricity than that invented by Larry Rome |
D.be applied in medical fields to operate heart pacemakers |
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科目:高中英語 來源: 題型:閱讀理解
Popeye the Sailor first became a popular cartoon in the 1930s.The sailor in that cartoon ate lots of spinach to make him strong. People watched him, and they began to buy and eat a lot more spinach. Popeye helped sell 33 percent more spinach than before! Spinach became a necessary part of many people’s diets. Even some children who hated the taste began to eat the vegetable.
Many people thought that the iron in spinach made Popeye strong, but this is not true. Spinach does not have any more iron than any other green vegetable.
People only thought spinach had a lot of iron because the people who studied the food made a mistake. In the 1890s, a group of people studied what was inside vegetables. This group said that spinach had ten times more iron than it did. The group wrote the number wrong, and everyone accepted it.
Today, we know that the little iron that is in spinach cannot make a difference in how strong a person is. However, spinach does have something else which the body needs—folic acid.
It is interesting to point out that folic acid can help make a person strong. Maybe it was really the folic acid that made Popeye strong all along.
【小題1】A good title for this reading passage is______.
A.Popeye the Sailor | B.The Truth About Spinach |
C.A Mistake with Numbers | D.Folic Acid Makes You Strong |
A.They thought spinach made them strong. |
B.They thought Popeye was funny. |
C.Spinach had a lot of iron. |
D.People liked folic acid. |
A.made Popeye strong |
B.was a green vegetable |
C.had less iron than other green vegetables |
D.had more iron than other green vegetables |
A.iron | B.folic acid | C.spinach | D.exercise |
A.something in food | B.a(chǎn) vegetable | C.dangerous | D.a(chǎn) certain kind of spinach |
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科目:高中英語 來源: 題型:閱讀理解
Mark and his brother Jason both were looking at the shining new computer enviously, Jason was determined not to go against their father’s wishes but Mark was more adventurous than his brother. He loved experimenting and his aim was to become a scientist like his father.
“Dad will be really mad if he finds out you’ve been playing with his new computer.” Jason said, “He told us not to touch it.”
“He won’t find out,” Mark said. “I’ll just have a quick look and shut it down.”
Mark had been scolded before for touching his father’s equipment. But his curiosity was difficult to control and this new computer really puzzled him.
It was a strange-looking machine — one his dad had brought home from the laboratory where he worked. “It’s an experimental model,” his father had explained, “so don’t touch it under any circumstances.” But his father’s warning only served to make Mark more curious. Without any further thought, Mark turned on the power switch. The computer burst into life and seconds later, the screen turned into colors, shifting and changing and then two big white words appeared in the centre of the screen: “SPACE TRANSPORTER.” “Yes!” Mark cried excitedly, “It’s a computer game. I knew it! Dad’s only been pretending to work. He’s really been playing games instead.” A new message appeared on the screen: “ENTER NAMES
VOYAGER 1:…
VOYAGER 2:…”
Mark’s fingers flew across the keyboard as he typed in both of their names.
“INPUT ACCEPTED. START TRANSPORT PROGRAM. AUTO-RETRIEVE INITIATED (自動回收程序已啟動).”
The screen turned even brighter and a noise suddenly rose in volume.
“I think we’d better shut it off, Mark,” Jason yelled, reaching for the power switch. He was really frightened.
But his hand never reached the switch. A single beam of dazzling white light burst out of the computer screen, wrapping the boys in its glow(光芒) , until they themselves seemed to be glowing. Then it died down just as suddenly as it had burst into life. And the boys were no longer there. On the screen, the letters changed.
“TRANSPORT SUCCESSFUL. DESTINATION (目的地):MARS. RETRIEVE DATE: 2025.”
【小題1】Why did Mark touch the computer against his father’s warning?
A.He wanted to take a voyage. | B.He wanted to practice his skill. |
C.He was so much attracted by it. | D.He was eager to do an experiment. |
A.In an electronic factory. |
B.In a computer company. |
C.In a scientific research center. |
D.In an information processing center. |
A.a(chǎn) computer game | B.a(chǎn) company website |
C.a(chǎn) software producer | D.a(chǎn)n astronomy |
A.He was afraid of being scolded. |
B.He didn’t like the loud noise and light. |
C.He didn’t want to play games any more. |
D.He was afraid something dangerous might happen. |
A.Theywereblownintotheair. |
B.Theyweresenttoanotherplanet. |
C.Theywerehiddeninthestronglight. |
D.Theywerecarriedawaytoanothercountry. |
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