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Men are the cleverest and most dangerous animals on the earth. Rats
（老鼠）come second. Men kill many other animals, and they kill their enemies. They have even killed millions of men since ancient times（远古时代）, but rats have killed more men. They have killed hundreds of millions of men. Rats carry many diseases（疾病）and these have killed and are still killing thousands of men today in many countries. Rats are dangerous not only in one way. They not only carry diseases into men's home, they also eat up men's food. They eat 33 million tons（吨）of grain（谷物）every day. That is enough grain to feed 200 million people. Rats are clever, too. They have good leaders（领导者）. Men try to poison（毒）them, but if their leaders tell them that food is dangerous, they do not eat it. Our cities and villages are full of rats today. We can go to the moon, but we are not able to kill these small animals. Is it because this dangerous enemy is too clever and grows too fast, or we are not clever enough as well as not clean enough?根据短文内容判断下列句子的正
(T)误(F)(1)Men have killed not only animals but also many people.
(
)(2) Rats are dangerous because they carry diseases and eat men.
(
)(3) There are a lot of rats in the world because they grow fast and men like to feed them.
(
)(4) Men get on well with rats.
( ) 查看习题详情和答案>>is in danger. They hoped that governments (政府) would act quickly to conserve nature (保护自然). Here is
one example of the problem. At one time there were 1,300 different plants, trees and flowers in Holland but
now only 866 remain. The others have been destroyed by modern man and his technology. We are changing
the earth, the air, the water and everything that grows and lives. We can't live without these things. If things
go like this, we shall destroy ourselves.
What will happen in the future? Perhaps it is more important to ask, "What must we do now?" The people
who will be living in the world of tomorrow are the young of today. A lot of them know conservation is
necessary. Many are helping to save our world. They plant trees, build bridges across rivers in forests, and
so on. In a small town in the United States, a large number of girls cleaned the banks of 11 kilometers of their
river. Young people may hear about conservation through a record called "No one is going to change our
world." It was made by the Beatles, Cliff Richard and other singers. The money from it will help to conserve
animals.
( )2. There are fewer plants, trees and flowers in Holland because many kinds of plants, trees and flowers
can't grow there any more.
( )3. The most important thing for us to do is to clean the banks of our rivers.
( )4. "No one is going to change our world" is a name of a song.
( )5. From this passage we know that we must conserve nature.
短文填空
Most people love animals．We think that animals are good(1)f_________ of humans．But, in fact，a 1arge number of animals，especially wild ones，are in(2)d_________ now mainly because of humans．If we do not(3)t_________ action now，we will have no animals soon．
People are destroying animals’ natural habitat by cutting(4)d_________ trees or building houses．At the same time, many of the animals’ living(5)a_________ are becoming farmland as we have to feed a 1arger population of the world．Besides，people hunt animals for their fur or other useful things．As a result of the pollution that humans have caused, some animals cannot(6)l_________ a normal life any more．
We must try our best to(7)p_________ animals right now．Remember that it is everyone’s(8)d_________ to do so．We should write to newspapers and magazines and(9)t_________ everyone about these problems．We should also immediately(10)d_________ something to help the endangered animals．
根据提示，写出完整的单词。
Many animals use some kind of “ language” . They use signals that have meanings .For ex - ample , when a bee has found some food，it goes b_1__ to its home . It is easy for a bee to t__2__ the other bees where the food is by speaking to them , but it can do a little dancing . This tells the bees where the food is and how f__3__it is .
Some animals show how they feel by m__4___ sounds . It is not d__5___ to tell if a dog is angry because it barks（吠）. Birds make several different sounds and e_6___ has its own meaning . Sometimes we humans make sounds in the same w __7__. We make sounds like “Oh!” or “Ouch !” to show how we feel about something or when we d__8__ something on our feet.
We humans also have languages. We have words. These words have the m__8___ of things, actions , feelings or ideas . We are able to give each other messages to tell w__10__ we think or how we feel . By writing down words , we can remember what has happened or s__11___ messages to people far away.
Languages can live and die . If a language isn’t u__12__by people , it is called a d__13__ language. This language cannot live and grow because no one s_14__it. Latin is an example of a dead l__15__.
A living language , of course , is often s_16__ by people today . It grows and c_17__ with time .
New words are created（创造）, and some old words have n 18 meanings . Some words , or their meanings, may die and only be found in the old b_19__. English and Chinese are b__20__ examples of a living language.
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