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   As they migrate(迁移) , butterflies and moths choose the winds they want to fly with, and they change their body positions if they start floating in the wrong direction. This new finding suggests that insects may employ some of the same methods that birds use for traveling long distances. Scientists have long thought that insects were simply at the mercy of the wind.
Fascinating as their skills of flight are, migrating behavior has been difficult to study in insects because many long distant trips happen thousands of feet above ground. Only recently have scientists developed technologies that can detect such little creatures at such great heights.
To their surprise, though, the insects weren't passive travelers on the winds. In autumn, for example, most light winds blew from the east, but the insects somehow sought out ones that carried them south and they positioned themselves to navigate directly to their wintering homes.
Even in the spring, when most winds flowed northward, the insects didn't always go with the flow. If breezes weren't blowing in the exact direction they wanted to go, the insects changed their body positions to compensate. Many migrating birds do the same thing.
The study also found, butterflies and moths actively flew within the air streams that pushed them along. By adding flight speeds to wind speeds, the scientists calculated that butterflies and moths can travel as fast as 100 kilometers an hour. The findings may have real-world applications. With climate warming, migrating insects are growing in number. Knowing how and when these pests move could help when farmers decide when to spray their crops.
What's the main idea of the text?

A.Windsurfing insects have real direction.
B.Wind helps insects greatly in migrating.
C.Insects migrate with the seasons.
D.Scientists have trouble in observing insects.

Scientists originally thought that _____.

A.insects were just blown about by the wind
B.insects chose the winds they wanted to ride
C.insects always waited for their favourable winds
D.insects positioned themselves in the winds

It is not easy to study the migrating behavior of the insects because ______.

A.the little creatures can fly very fast
B.their flight is long and high above ground
C.the wind's direction is hard to foresee
D.they have no regular migrating courses

We can learn from the text that _____.

A.insects never position themselves when flying low
B.insects travel more easily in autumn
C.insects fly in the way birds do
D.insects rest a lot when the wind pushes them along
科目 英语   题型 阅读理解   难度 中等
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Modeled after US hot website Groupon.com, group buying websites are now popular in China. These websites use the power of group buying to get competitive discounts (打折)for a daily deal on some best stuff(物品,东西,活儿) to do, see, eat and buy in the cities across China. Discounts are available within just one click. Zhao lei, a software engineer in Beijing, loves the one-hour lunch break at noon, as it is the best time for him to check “today’s special” at his favorite group buying websites . Sometimes he searches for great deals at directory sites devoted to the new shopping space. Zhao spends around 800 yuan ($117.65) on group buying every month, mostly to buy food coupons (优惠劵)for eating at some nice restaurants and occasionally to find something fun to do. ‘‘I love group buying. In addition to the competitive discounts it offers, it helps me get something fun, exciting and new, and such surprises give me a reason to try something new,” he said. When he finds a really good bargain, he will send the link to friends or colleagues through MSN,QQ, or e-mail, or share the information at some social networking websites. In doing so, he often gets a certain cut off the price. At some sites, buyers are invited to leave notes about what they want to buy and the website will consider it if similar applications(申请)reach a certain number. That is how Zuo got her digital camera after waiting for two months. “It is cool. I want to buy a new digital camera for my trip to Switzerland this winter, but I never expected such cheap prices!” Zuo said.
We can learn from the passage that________.

A.China is the first country to start group buying
B.the price of group buying depends on the market
C.you can’t get the best you need through group buying
D.group buying is becoming popular in China

What is the passage mainly about?

A.Zhao Lei’s online purchasing life.
B.Group buying
C.The US hot websites
D.A new digital camera

Zhao Lei succeeded in getting a certain cut off the price by__________.

A.bargaining face to face
B.discussing with the sellers
C.providing the link to others
D.inviting others to talk about the price

Respect your teachers
First of all, students should respect the teachers. They should pay attention in the classes. That means to salute him, to stand from his chair when the teacher enters the classroom etc. Attend any lesson attentively. In class of a certain subject or teacher you don’t like very much, if it’s total anarchy(混乱), how can we talk about respect?
Play by the rules
If your teacher wants you to use wide-lined paper—do it! If she tells you to sharpen your pencils only before class starts, listen to her. If she doesn’t accept late homework, do yours on time. Sometimes classroom rules seem strict or even silly, but most teachers know what’s necessary to make things run smoothly, what it takes to let the learning begin. And the better the learning environment, the smarter you’ll be!
Expect her/him to like you.
Teachers are teachers because they like kids. Given the chance, most teachers want to be your friends too. Respect your teacher, but don’t be afraid of her/him. She/He wants you to have a great school year just as much as you want to have!
Put first things first.
Friends are a fun part of school. But they’re not the most important part. When your teacher is teaching, give her/him your full attention. Even when it’s hard to do -- recess will come soon enough, and that’s the time for playing with your friends.
Which of the following would be the best title for the text?

A.Advice Before You Go to School
B.What You Should Do at School
C.How to Get Along With Your Teacher
D.How to Plan Your Time at School

What do you think the title of the second paragraph “play by the rules” mean?

A.Don’t play if you haven’t completed your homework.
B.Follow what the teacher says.
C.Work is work and play is play.
D.Make the learning environment as good as possible.

According to the last paragraph, what do you think the first thing is?

A.The teacher. B.The teacher’s lecture.
C.The students D.Friends.

The underlined word “recess” most probably means “____”.

A.break B.play C.parents D.news

What is language for? Some people seem to think it's for practicing grammar rules and earning lists of words—the longer the lists,the better.That's wrong.Language is for the exchange(交流)of ideas and information.It's meaningless knowing all about a language if you can't use it freely.Many students I have met know hundreds of grammar rules, but they can't speak correctly or fluently(流利地).They are afraid of making mistakes.One shouldn't be afraid of making mistakes when speaking a foreign language.Native speakers make mistakes and break rules, too.Bernard Shaw once wrote, "Foreigners often speak English too correctly."But the mistakes that native speakers make are different from those that Chinese students make.They're English mistakes in the English language.And if enough native speakers break a rule, it is no longer a rule.What used to be wrong becomes right.People not only make history, they also make language.But a people can only make its own language.It can't make another people's language.So Chinese students of English should pay attention to grammar, but they shouldn't overdo(做过头)it.They should put communication(交际)first.
Language is used to ________.
A. express oneself
B. practise grammar rules
B. talk with foreigners only
D. learn lists of words
Generally, when an American or an Englishman speaks English, he ________.

A.never makes mistakes B.often makes mistakes
C.can't avoid making mistakes D.always makes mistakes

"Foreigners often speak English too correctly."This sentence means that ________.

A.foreigners speak correct English
B.foreigners speak incorrect English
C.foreigners speak English according to the grammar rules
D.foreigners never make mistakes when they speak English

The values of artistic works, according to cultural relativism(相对主义), are simply reflections of local social and economic conditions. Such a view, however, fails to explain the ability of some works of art to excite the human mind across cultures and through centuries.
History has witnessed the endless productions of Shakespearean plays in every major language of the world. It is never rare to find that Mozart packs Japanese concert halls, as Japanese painter Hiroshige does Paris galleries, Unique works of this kind are different from today’s popular art, even if they began as works of popular art. They have set themselves apart in their timeless appeal and will probably be enjoyed for centuries into the future.
In a 1757 essay, the philosopher David Hume argued that because“the general principles of taste are uniform(不变的) in human nature,”the value of some works of art might be essentially permanent. He observed that Homer was still admired after two thousand years. Works of this type, he believed, spoke to deep and unvarying features of human nature and could continue to exist over centuries.
Now researchers are applying scientific methods to the study of the universality of art. For example, evolutionary psychology is being used by literary scholars to explain the long-lasting themes and plot devices in fiction. The structures of musical pieces are now open to experimental analysis as never before. Research findings seem to indicate that the creation by a great artist is as permanent an achievement as the discovery by a great scientist.
According to the passage, what do we know about cultural relativism?

A.It introduces different cultural values.
B.It explains the history of artistic works.
C.It relates artistic values to local conditions.
D.It excites the human mind throughout the world.

In Paragraph 2, the artists are mentioned in order to show that _____ .

A.great works of art can go beyond national boundaries
B.history gives art works special appeal to set them apart
C.popular arts are hardly distinguishable from great arts
D.great artists are skilled at combining various cultures

According to Hume, some works of art can exist for centuries because_____ .

A.they are results of scientific study
B.they establish some general principles of art
C.they are created by the world’s greatest artists
D.they appeal to unchanging features of human nature

Which of the following can best serve as the title of the passage?

A.Are Artistic Values Universal?
B.Are Popular Arts Permanent?
C.Is Human Nature Uniform?
D.Is Cultural Relativism Scientific?

There are many places to go on safari(观赏野生动物)in Africa, but riding a horse through the flooded waters of Botswana's Okavango Delta must rank as one of the world's most exciting wildlife journeys.
Several safari camps operate as the base for this adventure, providing unique rides twice a day to explore deep into the delta. The camps have excellent horses, professional guides and lots of support workers. They have a reputation for providing a great riding experience.
The morning ride, when the guides take you to beautiful, shallow lakes full of water lilies, tends to be more active. It is unlike any other riding experience. With rainbows forming in the splashing water around you and the sound of huge drops of water bouncing off your body and face. It is truly exciting. You are very likely to come across large wild animals, too. On horseback it is possible to get quite close to elephants, giraffes and many other animals. The sense of excitement and tension levels rise suddenly though, as does your heart rate, as you move closer to them.
In the evening, rides are usually at a more relaxed and unhurried pace. With golden light streaming across the grassy delta and the animals coming out to eat and drink. Sedate though they are, rides at this time of day are still very impressive. As the sun's rays pass through the dust kicked up by the horses, the romance of Africa comes to life.
Back at the camp you can kick off your boots and enjoy excellent food and wine. Looking back on your day, you will find it hard to deny that a horseback Safari is as close as you will ever come to answering the call of the wild.
What does the underlined word "They" refer to?

A.Flooded waters B.Wildlife journey
C.Safari camps D.Unique rides

What does the author find most exciting about a horse safari?

A.Seeing and feeling the real African life.
B.Enjoying good food and wine at the camp.
C.Hunting large animals just as our ancestors did.
D.Being part of the scene and getting close to animals.

What does the underlined word "sedate" probably mean?

A.Wild and romantic B.Slow and peaceful
C.Hurry and thirsty D.Active and excited

The author introduced the riding experience in the OKavango Delta mainly by________.

A.Following space order B.Following time order
C.Making classifications D.Giving examples

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