C
Let These Plants Swat the Bugs for You
Some plants get so hungry they eat flies, spiders, and even small frogs. What’s more amazing is that these plants occur naturally (in special environments) in every state. In fact, they’re found on every continent except Antarctica.
You’ve probably seen a Venus’ flytrap. It’s often sold in museum gift stores, department stores, and even supermarkets. A small plant, it grows 6 to 8 inches tall in a container. At the end of its stalks(莖)are specially modified leaves that act like traps. Inside each trap is a lining of tiny trigger(觸發(fā))hairs. When an insect lands on them, the trap suddenly shut. Over the course of a week or so, the plant feeds on its catch.
The Venus’ flytrap is just one of more than 500 species of meat-eating plants, says Barry Meyers-Rice, the editor of the International Carnivorous Plant Society’s Newsletter. Note: Despite any science-fiction stories(科幻小說)you might have read, no meat-eating plant does any danger to humans.
Dr. Meyers-Rice says a plant is meat-eating, only if it does all four of the following: “attract, kill, digest, and absorb” some form of insects , including flies, butterflies, and moths. Meat-eating plants look and act like other green plants—well, most of the time.
All green plants make sugar through a process called photosynthesis(光合作用). Plants use the sugar to make food. What makes “meat-eating” plants different is their bug-catching leaves. They need insects for one reason: nitrogen(氮). Nitrogen is a nutrient that they can’t obtain any other way. Why?
Almost all green plants on our planet get nitrogen from the soil. “Meat-eating” plants can’t. They live in places where nutrients are hard or almost impossible to get from the soil because of its acidity(酸度). So they’ve come to rely on getting nitrogen from insects and small animals. In fact, nutrient-rich soil is poisonous to “meat-eating” plants. Never fertilize(施肥)them! But don’t worry, either, if they never seem to catch any insects. They can survive, but they’ll grow very slowly.
64. Venus flytrap      
A. is a small plant which grows in a container. 
B. is a kind of plant which gets hungry easily.
C. can attract, kill, digest and absorb some form of insects.
D. grows 6-8 inches tall  
65. From the passage, we know      .
A. “meat-eating” plants are found on every continent.
B. all green plants get nitrogen from the soil.
C. bug-catching leaves make “meat-eating” different from other plants.
D. some “meat-eating” plants in the rainforest do danger to humans.
66. “Meat-eating” plants grow very slowly,      .
A. so you’d better fertilize them   
B. probably because the source of nitrogen is cut off.
C. simply because they can’t absorb nitrogen from the soil 
D. and then they will die slowly.
67. Which of the following is true?
A. “Meat-eating” plants look and act like other green plants.
B. No insects, no “meat-eating” plants.
C. The reason why Venus flytrap needs flies is that it needs to get nutrient from them.
D. Green plants make sugar at night.
68. What does the underlined word nutrient in paragraph 5 probably mean?
A. 化學(xué)物    B.營養(yǎng)物    C. 肥料      D. 氮?dú)浠衔?/div>

64---68    CCBCB    
練習(xí)冊系列答案
相關(guān)習(xí)題

科目:高中英語 來源:不詳 題型:閱讀理解


Walk through the Amazon rainforest today and you will find it is steamy, warm, damp and thick. But if you had been around 15,000 years ago, during the last ice age, would it have been the same ?For more than 30 years, scientists have been arguing about how rainforests like the Amazon might have reacted(反應(yīng))to the cold ,dry climates of the ice ages ,but until now ,no one has reached a satisfying answer.
Rainforests like the Amazon are important for mopping up CO2 from the atmosphere and helping to slow global warming . Currently the trees in the Amazon take in around 500 million tons of CO2 each year; equal to the total amount of CO2 giving off in the UK each year. But how will the Amazon react to future climate change? If it gets drier ,will it still survive and continue to draw down CO2 ?Scientists hope that they will be able to learn in advance how the rainforest will manage in the future by understanding how rainforests reacted to climate change in the past.
Unfortunately ,getting into the Amazon rainforest and collecting information are very difficult .To study past climate ,scientists need to look at fossilized pollen ,kept in lake muds .Going back to the last ice age means drilling deep down into lake sediments (沉淀 物),which requires specialized equipment and heavy machinery .There are very few roads and paths ,or places to land helicopters and aeroplanes .Rivers tend to be the easiest way to enter the forest ,but this still leaves vast areas between the rivers completely unsampled(未取樣).So far ,only a handful of cores have been drilled that go back to the last ice age and none of them provide enough information to prove how the Amazon rainforest reacts to climate change.
64.The underlined phrase “mopping up” in the second paragraph means      .
A.cleaning up          B.taking in                C.wiping out           D.giving out
65.How will the Amazon rainforest react to future climate change?
A.It’ll get drier and continue to remove CO2 .
B.It’ll remain steamy ,warm ,damp and thick .
C.It’ll get warmer and then colder and drier.
D.There is no exact answer up to present.
66.What’s the main idea of the last paragraph?
A.It’s important to drill deep down into lake sediments to collect information.
B.It’s impossible to prove how climate changes in the Amazon rainforest.
C.It’s hard to collect information for studies of the past climate in the Amazon rainforest.
D.It’s necessary to have specialized equipment and machinery to study the past climate.
67.The best title for this passage may probably be        .
A.Studies of the Amazon                          B.Climates of the Amazon
C.Secrets of the Rainforests                     D.Changes of the Rainforests

查看答案和解析>>

科目:高中英語 來源:不詳 題型:完形填空


A land free from destruction, plus wealth, natural resources, and labor supply—all these were important 1 in helping England to become the center for the Industrial Revolution. 2 they were not enough. Something 3 was needed to start the industrial process. That "something special" was men—4 individuals who could invent machines, find new 5 of power, and establish business organizations to reshape society.
  The men who 6 the machines of the Industrial Revolution 7 from many backgrounds and many occupations. Many of them were 8 inventors than scientists. A man who is a 9 scientist is primarily interested in doing his research 10 .He is not necessarily working 11 that his findings can be used.
  An inventor or one interested in applied science is 12 trying to make something that has a concrete use. He may try to solve a problem by 13 the theories 14 science or by experimenting through trial and error. Regardless of his method, he is working to obtain a 15 result: the construction of a harvesting machine, the burning of a light bulb, or one of 16 other objectives.
  Most of the people who 17 the machines of the Industrial Revolution were inventors, not trained scientists. A few were both scientists and inventors. Even those who had 18 or no training in science might not have made their inventions 19 a groundwork had not been laid by scientists years 20 .
  1.A.cases      B .reasons            C .factors           D .situations
  2.A.But        B .And             C .Besides          D .Even
  3.A.else       B .near               C .extra            D .similar
  4.A.generating  B .effective          C .motivating        D .creative
  5.A.origins      B .sources          C .bases             D .discoveries
  6.A.employed   B .created            C .operated          D .controlled
  7.A.came       B .arrived            C .stemmed         D .appeared
  8.A.less       B .better             C. more            D .worse
  9.A.genuine     B .practical           C .pure            D .clever
  10.A.happily    B .occasionally        C. reluctantly        D .accurately
  11.A.now      B .and                C .all              D .so
  12.A.seldom    B .sometimes         C .all                D .never
  13.A.planning  B .using              C .idea               D .means
  14.A.of       B .with              C .to                 D .as
  15.A.single     B .sole              C. specialized         D .specific
  16.A.few      B .those              C .many              D .all
  17.A.proposed  B .developed         C .supplied           D .offered
  18.A.little      B .much             C .some             D .any
  19.A.as        B .if               C .because           D .while
  20.A.ago      B .past               C .ahead              D .before

查看答案和解析>>

科目:高中英語 來源:不詳 題型:完形填空


第二節(jié)完型填空(共20小題;每小題1.5分,滿分30分)
閱讀下面短文,掌握其大意,然后從36—55各題所給的四個選項(xiàng)(A、B、C和D)中,選出最佳選項(xiàng)
In a class I teach for adults, I recently did the “unpardonable.” I gave the class homework!
The assignment (任務(wù)) was to “go to someone you love   36   the next week and tell them you love them. It   37  to be someone you have never   38   those words to before or at least haven’t shared those words with for a long time.” That doesn’t   39   like a very tough assignment,   40   you stop to realize that most of the men  were over 35 and were   41  in the generation of men that were taught that expressing emotions is not “macho (男子漢氣概的).” Showing feelings or crying (heaven forbid!) was just not done   42  this was a very threatening assignment for some.
At the   43   of our next class, I asked if someone wanted to   44   what happened when they told someone they loved them. I fully expected one of the   45   to volunteer, as was usually the   46 , but on this evening one of the men raised his hand. He appeared quite moved and a bit   47  . As he unfolded out of his chair, he began by saying, “Dennis. I was quite   48   with you last week when you gave us the assignment. I didn’t feel that I had   49  to say those words to and   50 , who were you to tell me to do something that personal? But as I began driving home my conscience (良知) started talking to me. It was telling me that I   51   exactly who I needed to say I love you to. You see, five years ago, my father and I had a heated   52   and really never resolved it since that one. We   53  seeing each other unless we absolutely had to at Christmas or other family gatherings. But   54   then, we hardly spoke to each other. So last. Tuesday   55  I got home, I had convinced myself. I was going to tell my father I loved him.”
36.A.a(chǎn)fter  B.before      C.for    D.within
37.A.has to       B.ought to    C.had better D.can
38.A.told   B.said   C.talked       D.spoken
39.A.look  B.hear  C.listen D.sound
40.A.when B.until  C.that   D.unless
41.A.born  B.grown      C.raised       D.risen
42.A.And  B.But   C.So     D.For
43.A.beginning B.end   C.middle      D.stating
44.A.a(chǎn)nnounce  B.share C.a(chǎn)nswer      D.a(chǎn)sk
45.A.men  B.a(chǎn)dults       C.students    D.women
46.A.case  B.thing C.story D.experience
47.A.a(chǎn)fraid       B.shaken      C.terrible     D.worried
48.A.happy       B.pleased     C.a(chǎn)ngry       D.satisfied
49.A.everybody       B.nobody     C.someone   D.a(chǎn)nyone
50.A.else   B.except      C.beside       D.besides
51.A.thought    B.considered       C.knew D.guessed
52.A.disagreement    B.encouragement C.disappointment D.discouragement
53.A.imagined  B.risked       C.a(chǎn)voided    D.escaped
54.A.still   B.even  C.just   D.only
55.A.by the time      B.a(chǎn)t the time       C.for the time      D.during the time

查看答案和解析>>

科目:高中英語 來源:不詳 題型:完形填空

完形填空(共20小題;每小題1分,滿分20分)?
閱讀下面短文,從短文后各題所給的A、B、C、D四個選項(xiàng)中,選出最佳選項(xiàng),并在答題卡上將該項(xiàng)涂黑。
It’s only too natural that personal characteristics play a vital role in the development of one's intelligence. But people   36  to realize the importance of cultivating (培養(yǎng)) these factors. The so-called “non-intelligence factors” include one’s   37  , will, motivation, interests and habits. In their studies American psychologists   38  the main cause of differences in intelligence is not intelligence itself, but non-intelligence factors including the desire to learn, will-power and self-confidence.
  39  people know one should have definite objectives, a strong will and good learning habits, quite a number of teachers and parents don’t   40  cultivating these factors.
Some parents are   41  when their children fail to do well in their studies. They blame either genetic factors, malnutrition, or laziness, but they never take   42  consideration these non-intelligence factors. Some teachers don’t inquire into such reasons as   43  students do poorly. They simply give them more courses and exercises, or   44  scold or laugh at them. After all these, students lose self-confidence. Some   45  themselves up as hopeless, feeling defeated. Others   46  take wrong or evil ways because they are sick of learning. An investigation of more than 1,000 middle school students showed that 46.5% of them were   47 
of learning because of examinations; 36.4% lacked persistence and 10.3% were sick of learning.
It is clear that   48  of cultivation of non-intelligence factors has been a main   49__        to intelligence development in teenagers. It even causes an imbalance between physiological  and   50  development among students.
If we don’t start now to   51  the cultivation of non-intelligence factors, it will not only block the development of   52  of teenagers, but also affect the quality of a whole generation. Some experts have put forward   53  about how to cultivate students’ non-intelligence factors.
Parents and teachers should   54  understand teenage psychology. On this basic, they can help them to pursue the objectives of learning,   55  their interests in their studies and toughening their willpower.  
36. A. expect        B. fail                  C. try                  D. manage
37. A. feelings      B. appearances       C. strength           D. nutrition
38. A. desired      B. discovered              C. disclosed          D. designed
39. A. Though        B. Unless              C. Whether         D. Since
40. A. make use of     B. get rid of    C. pay attention to  D. look forward to
41. A. moved       B. worried            C. frightened      D. excited
42. A. for          B. in                    C. into                 D. over
43. A. why               B. what               C. when            D. how
44. A. ever         B. even                C. still                 D. never
45. A. put          B. get                  C. make             D. give
46. A. shall         B. may              C. should D. must
47. A. afraid              B. aware            C. sceptical           D. supportive
48. A. lack         B. presence        C. increase        D. focus
49. A. storage     B. tendency          C. threat              D. barrier
50. A. intelligent   B. characteristic     C. psychological     D. physical
51. A. weaken     B. support            C. strengthen        D. oppose
52. A. performance B. diligence           C. maturity           D. intelligence
53. A. programs     B. warnings          C. proposals         D. decisions
54. A. fully           B. greatly           C. mainly             D. highly
55. A. ensuring       B. handling           C. widening          D. increasing

查看答案和解析>>

科目:高中英語 來源:不詳 題型:閱讀理解


第二部分:閱讀理解(每小題2 分,滿分30分)
第一節(jié): 閱讀下列短文,從每題所給的A、B、C、D四個選項(xiàng)中,選出最佳選項(xiàng)
A
Books which give instructions on how to do things are very popular in the United States today. Thousands of these “How to” books are available; in fact, there are about four thousand books with titles that begin with the words “How to”. One book may tell you how to earn more money, another may tell you how to save or spend it, and another may explain how to give your money away.  Many “How to” books give advice on careers (職業(yè)). They tell you how to choose a career and how to succeed at it. If you fail, however, you can buy a book called “How to Turn Failure into Success”. If you would like to become very rich, you can buy the book “How to Make a Million”. If you never make any money at all, you may need a book called “How to Live on Nothing?”. One of the most popular types of books is one that helps you with personal problems. If you want to have a better love of life, you can read “How to Succeed at Love Every Minute of Your Life.?”. If you are tired of books on happiness, you may prefer a book called “How to Make Yourself miserable?”.
Many of these books help people use their time better. Some people want books which will give them useful information about sports, hobbies, and travel. Other people use their free time to make repairs and improvements on their homes. They prefer books which give step by step instruction on how to repair things like plumbing (衛(wèi)生管道工程) and electrical wiring, or on how to redecorate (重新裝飾) or enlarge a house.
Why have “How to” books become so popular? Probably because life has become so complex. Today people have far more free time to use, more choices to make, and more problems to solve. “How to” books help people deal with modern life. 
51. These “How to” books are written to______.
A. tell people on how to love their daily life             
B. earn money for the companies to survive in the competition
C. give people some good advice on how to do something they want to do 
D. give readers who want to know about America a deep impression
52. Before someone wants to find a good job, he had better______.
A. buy a book on “How to Make a Million?”
B. read a book on how to choose a career and how to succeed at it 
C. make better use of his time in his daily life     
D. use his free time to look for it 
53. If people will not succeed in what he is doing, a book called________ can give help.
A. “How to Turn Failure into Success”     
B. “How to Make a Million?”
C. “How to Succeed at Love Every Minute of Your Life?”
D. “How to Make Yourself Miserable?”

查看答案和解析>>

科目:高中英語 來源:不詳 題型:閱讀理解


D
Can it be true that Australian men spend more time during the week brushing their teeth than they do alone with their children?
A new study from the University of New South Wales has discovered that during the working week, Aussie fathers only spend an average of just over a minute each day alone with their children.Australian mothers, on the other hand, spend three hours a week looking after their children — a much
greater disparity (懸殊) than in other countries like America, Denmark, Italy and France, where couples divide the child-care more evenly.
These findings will upset those who want to shake off the perhaps unfair image of Australia as a land of old-fashioned male chauvinism (大男子主義).
According to the study, Australian fathers appear to like the fun aspects of parenthood, but shy away from the drudgery.So while they tend to be happy taking the kids to the park or to sports events, they are unlikely to participate regularly in feeding, bathing, or taking the kids to school.In short, parenting is seen as a woman's job and a man's hobby in Australia.
Many people believe that in Europe the last twenty years have seen the arrival of the so-called "new man" — the man who is willing to share the housework and child-care.The "new man" never misses his children's school plays and he always gets home in time to read their bedtime story.Indeed, a questionnaire conducted in the UK indicated that almost 70 of British women thought that men were as good at raising children as women.
That's something for Aussie men to think about while they are brushing their teeth!
68.The underlined word "drudgery" refers to ______.                                 
A.enjoyable activity      B.easy job    C.social responsibility  D.boring work
69.In Australian parenting, ______.                                               
A.both fathers and mothers take it as a hobby                                                    
B.neither fathers nor mothers spend enough time on child-care                                      
C.parents don't share the same amount of child-care                                             
D.fathers don't like the kids at all
70.The passage says that the "new man" would ______.                               
A.go home right after work          B.spend more time on their work                            
C.read stories to their children    D.do all the housework
71.According to the passage, Australian fathers should                                 
A.spend more time with their kids    B.know more about their family                           
C.learn from their wives         D.stay at home longer

查看答案和解析>>

科目:高中英語 來源:不詳 題型:閱讀理解


C
Will it matter if you don’t take your breakfast?A short time ago,a test was given in the United States.People of different ages from 12 to 83 were asked to have a test.During the test,these people were given all kinds of breakfasts,and sometimes they got no breakfast at all.Scientists wanted to see how well their body worked when they had eaten different kinds of breakfasts.
The results show that if he or she eats a right breakfast,he or she will work better than if he or she has no breakfast.If a student has fruit,eggs,bread and milk before going to school,he will learn more quickly and listen more carefully in class.
The result is opposite to what some people think.Having no breakfast will not help you lose weight.This is because people become so hungry at noon that they eat too much for lunch.They will gain weight instead of losing it.You will lose more weight if you reduce your other meals.
64.During the test,the people were given          .
A.no breakfast at all   B.very rich breakfast
C.different foods or sometimes none   D.little food for breakfast
65.The results show that          .
A.breakfast has little to do with a person’s work
B.breakfast has a great effect on work and studies
C.a person will work better if he only was fruit and milk
D.girl students should have less for breakfast
66.Which of the following is NOT true?
A.It is bad for your health to have no breakfast
B.Too little for breakfast and too much for lunch may make you fatter
C.If you don’t eat much for lunch and supper,you may lose weight
D.The more breakfast you have,the more quickly you’ll learn in class

查看答案和解析>>

科目:高中英語 來源:不詳 題型:閱讀理解

Two Earthquakes in Two Months:
Comparing the Quakes in Haiti (海地) and Chile (智利)
Overview (概要) How do the earthquakes in Chile and Haiti compare? Here, students perform a gallery walk to learn more about the earthquakes from a specific point, and then do a specific research and presentation project or response activity. Finally, they seek answers to their unanswered questions.
Materials Print copies of photographs, charts, documents and other visuals to display, as described below; computer (s) with Internet access (optional), research materials, handouts.
Warm-up Choose and prepare a “gallery” of photographs, graphics, news reports and other materials to display around the room to enable students to consider the 2010 earthquake in Chile.
Depending on course program, choose materials for the gallery that provide a window on the two quakes, through one of the following specific points, or the focus of your choice:
Earthquakes through History Putting the 2010 Chilean and Haitian quakes into historical view related to other earthquakes, including the 1960 Chilean quake and the 2004 Asian earthquake and tsunami.
Rescue and Aid Considering domestic and international response to the disasters by militaries, governments and aid organizations, including rescue and recovery as well as efforts to provide food, water, health care and shelter to those affected.
Related The article Underwater Plate Cuts 400 Mile Gash compares several earthquakes:
Mr. Lin figured that the quake on Saturday was 250 to 350 times more powerful than the Haitian quake.
But Paul Caruso noted that at least on land, the effects of the Chilean tremor (震動) might not be as bad. For one thing, he said, the quality of building construction is generally better in Chile than in Haiti. And the fact that the quake occurred offshore should also help limit the destruction. In Haiti, the rupture (斷裂) occurred only a few miles from the capital, Port-au-Prince. The rupture on Saturday was centered about 60 miles from the nearest town, Chillan, and 70 miles from the country’s second-largest city, Concepción.
Read the article using the following questions.
Questions For discussion with others and reading comprehension:
How does the 2010 Chilean earthquake compare to the 1960 Chilean earthquake?
Why do scientists believe that the 2010 Chilean earthquake will not cause the same level of damage as January’s Haitian earthquake did?
How does the 2010 Chilean earthquake compare to the 2004 Indonesian earthquake?
What reasons do scientists give to explain why the Indonesian quake caused so much more damage than the recent Chilean earthquake?
64. Which of the following shows one of the reasons for slighter losses in Chile than in Haiti?
A. Position:
     
B. Power:

65. We can infer that the article Underwater Plate Cuts 400 Mile Gash includes ________.
A. the causes of the 2010 Chilean earthquake and the 1960 Chilean earthquake
B. the comparison between the 2010 Haitian and the 2004 Indonesian earthquakes
C. the reason for the 2010 Chilean quake being more powerful than January’s Haitian earthquake
D. the reason for less damage in the 2010 Chilean quake than in the 2004 Indonesian earthquake
66. What is the passage most likely to be?
A. A program for research.                                   B. A guide to earthquake study.
C. An advertisement for students.                             D. An introduction to quakes.

查看答案和解析>>

同步練習(xí)冊答案