Five million people visit Grand Canyon in the US every year. For the purpose of helping project Grand Canyon for your fellow visitors and future generations, please follow the guidelines below.
Camping
To protect the park, camping is allowed only within permitted campgrounds. Permits are required for overnight camping at the North Rim. Advance booking can be received by mail. Please write: Information Center, P. O. Box 129, Grand Canyon, AZ 86023
Fires
Because of the extreme fire danger, campfires are not allowed except at Mather and Desert View campgrounds. Collection of firewood is not allowed either.
Hiking(遠(yuǎn)足)
Please stay on permitted paths. If you don’t do so, you may destroy desert plants. Pack out what you pack in, so you leave no signs of your visit. It is important to keep in mind that you are in a national park where wildlife exists.
Weather
The weather at Grand Canyon can change very quickly. With so much rock, lightning(閃電)causes a particular danger during sudden summer storms. These storms also frequently bring floods inside valleys, a danger to hikers. Watch the skies and check daily weather reports.
Wildlife
Do not feed park wildlife. There have been a few cases at Grand Canyon National Park where deer were purposely shot because they ate plastic bags that left them sick and weak. Hungry deer can be a danger and have kicked and bitten visitors at Grand Canyon. Some other animals will also beg and bite. For your own safety and the well-being of the animals, please do not feed wildlife, no matter how gentle they may appear.
1. What can you do first if you want to go camping?
A.Know the permitted paths. B.Book campgrounds in advance.
C.Make sure not to make a fire. D.Stop at Mather and Desert View.
2. What do the underlined words “pack out what you pack in” in Paragraph 4 probably mean?
A.keep everything out of campgrounds B.take away everything you bring in
C.carry all the necessary food D.look after your personal belongings
3. Why were some deer killed on purpose at Grand Canyon?
A.They ate wrong things and became very ill.
B.They were a danger to other gentle animals.
C.They begged food from visitors.
D.They kicked and bit visitors.
4. What is the main purpose of the text?
A.To provide travel information. B.To report some recent news.
C.To teach tourists hiking skills. D.To introduce the wildlife.
1.B
2.B
3.A
4.A
【解析】
試題分析:本文是給那些到Grand Canyon旅行的人的一些指導(dǎo)意見(jiàn),包括宿營(yíng),遠(yuǎn)足以及要注意的天氣和野生動(dòng)物等等方面的具體信息。
1.B 細(xì)節(jié)題。根據(jù)文章第二段Permits are required for overnight camping at the North Rim. Advance booking can be received by mail.可知事先預(yù)定是必要的。故B正確。
2.B 推理題。根據(jù)Pack out what you pack in, so you leave no signs of your visit. It is important to keep in mind that you are in a national park where wildlife exists.劃線句的后一句you leave no signs of your visit.不留下你來(lái)訪的痕跡,說(shuō)明你要把所有的東西都帶走。故B正確。
3.A 細(xì)節(jié)題。根據(jù)文章最后一段There have been a few cases at Grand Canyon National Park where deer were purposely shot because they ate plastic bags that left them sick and weak.可知這些鹿被射殺是因?yàn)樗麄兂藻e(cuò)了東西,故A正確。
4.A 主旨大意題。根據(jù)文章主題段第一段Five million people visit Grand Canyon in the US every year. For the purpose of helping project Grand Canyon for your fellow visitors and future generations, please follow the guidelines below.可知本文是給那些到Grand Canyon旅行的人的一些指導(dǎo)。故A正確。
考點(diǎn):考查信息篩選類短文閱讀
點(diǎn)評(píng):本文是給那些到Grand Canyon旅行的人的一些指導(dǎo)意見(jiàn)。文本所給信息非常豐富,要求考生從中選出適合題目要求的信息。解此類題目時(shí),考生可以先閱讀題目和選項(xiàng),了解具體要求,然后再仔細(xì)閱讀文章,認(rèn)真篩選甄別,這樣的閱讀就有的放矢,可以大大提高閱讀的速度和效率。
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科目:高中英語(yǔ) 來(lái)源: 題型:閱讀理解
Al Ossinger,an experienced mountain guide,knew it was time to leave Longs Peak in Colorado’s Rocky Mountain National Park,and get off‘quickly.The sky had turned threatening dark,and his ice ax at times gave out upset sounds.Suddenly,as Ossinger was crossing a large mass of rock,both hands pressed against it for balance,there was a roar,a flash of light and an electric current charged through his arms.
“In that second. I thought 1 was finished,”he said,“Then I realized 1 was still there―the jolt(震動(dòng))hadn’t knocked me off.My body and legs were all right,but my arms were paralyzed from the shoulder down.’’Fortunately Ossinger was able to continue down and soon the feeling began to return to his shoulders,upper arms,and,two hours later,his fingertips.Ossinger was a lucky man.
A single stroke of lightning,which is usually three to four miles long,travels at speeds of up to 100,000 miles per second.In a single flash,it can carry 100 million volts of electricity and reach a temperature of 55,000 degrees Fahrenheit,five times hotter than the surface of the sun.During its brief life span,lightning carries enough energy to power a 100-watt light bulb for as long as three months.If you find yourself unlucky enough to be near lightning’s path,you could suffer a direct hit,sending electrical current though your body for some 5 00 milli-seconds.Because of the short duration,severe burns aren’t common and the resulting burns are usually superficial(表面的).
According to the national Weather Service,more people have been killed by lightning in the United States during the past 30 years,an average of 87 a year-than by either tornadoes or hurricanes,484 people were injured in 1994 alone.These“swords from the sky” are also responsible for an estimated$100 million to$300 million of property damage a year.During the 1980s an average of 5502 wildfires a year were sparked by lightning on national forest lands alone.
Earth is struck by at 1east 100 of these flashes every second-more than 8.6 million strikes a day.For all its destructive power,lightning has its good sides too.It’s likely that humans discovered fire from some early lightning-sparked flames.And all that activity above the earth may help create ozone(臭氧),which protects us from the sun’s harmful rays.Lightning dancing across a summer night sky is a force to be respected and appreciated-from a distance.
68.Electrical lightning is called“swords from the sky”to mean_________.
A.it looks 1ike swords B.it can kill people
C.it is sent by God D.it comes naturally
69.When Ossinger felt some electrical current charged through his arms,_________.
A.he thought it was going to rain B.he dared not move about any more
C.he tried to move further up D.he thought his arms wouldn’t move
70.According to the passage we can say that____________________.
A.people caught by lightning may go disabled at once
B.1ightning strikes may do harms to human beings
C.more forest fires will be caused by lightning
D.1ightning is a rich energy resource to humans
71.In the passage the author implies that__________.
A.we all should try to avoid all thunderstorms
B.we should make full use of the lightening
C.we should recognize the positive effects of lightning
D.we should learn about the lightning as much as possible
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