(   ) 5. ―How many blue whales are there in the world today?

―I'm not sure. There       more than one thousand left.

   A. must be   B. may have

   C. may be   D. maybe

練習(xí)冊系列答案
相關(guān)習(xí)題

科目：初中英語 來源： 題型：

6. 村莊和農(nóng)場越來越大，侵占了它們的土地和森林。 (take away)

查看答案和解析>>

科目：初中英語 來源： 題型：

Many of us think that all wild animals 49.       ( be) dangerous. In fact,very few of them will eat a man if he 50.        (leave) them alone.

If you meet a tiger,I'm sure you 51.      (run) away,but even a tiger 52.       ( not like) meeting a man if it isn't hungry. Tigers only kill and 53.       (eat) a man when they are too old 54.       (catch) their food,such as sheep and other small animals. Some animals get frightened (害怕的) when they only 55.       (smell) a man. Some of them 56.        (stand) and look at a man for a short time before they run away. Others 57.        (not look) at all but walk away. Wild animals only eat a man when they are afraid that he will try 58.        (kill) their young ones,or when people try to kill them.

查看答案和解析>>

科目：初中英語 來源： 題型：

6. The WWF is working hard       (save) them all.

查看答案和解析>>

科目：初中英語 來源： 題型：

(   ) 6. Let's discuss        the animals in danger.

   A. how save   B. what save

   C. how to save   D. what to save

查看答案和解析>>

科目：初中英語 來源： 題型：

(   ) 4. His words made everyone       .

   A. to laugh   B. laugh

   C. laughs   D. laughed

查看答案和解析>>

科目：初中英語 來源： 題型：

(   ) 10. There may be about 1,000 camels       in the world.

   A. leave   B. to leave

   C. left   D. leaves

查看答案和解析>>

科目：初中英語 來源： 題型：

A Years ago,many zoos kept all kinds of animals in small cages (籠子) .Small cages made it easy for people to see the animals,but a small cage is not a good place for an animal to live in.

Today,zoos keep animals in different kinds of cages. The cages are very big and open. They usually have plants and little lakes. The cages look like the animals' wild home. They make the animals feel as if they were at home in the wild.

Zoos help to protect all kinds of animals. They protect not only animals in the zoo but also animals in the wild. How do they do this? They teach people how animals live in the wild. Zoos also help people to protect the animals' wild home.

Many animals are going extinct (滅絕的) these years. Mammoths?which are related (同源的) to Asia elephants,are now extinct. Scientists say that a lot of animals go extinct every year!

Zoos are working together with people to stop animals from going extinct.

(   ) 26. Zoos kept animals in small cages so that people can         .

   A. protect them   B. see them better   C. feed them   D. save them

(   ) 27. Today,zoos keep animals in       .

   A. bigger cages   B. the wild   C. smaller cages   D. the field

(   ) 28. To protect animals,zoos         .

   A. are trying to keep all kinds of animals

   B. are trying to free the animals

   C. teach people more about animals

   D. want people to feed the animals

(   ) 29. A mammoth is a kind of       that has gone extinct.

   A. plant   B. bird

   C. animal   D. tree

(   ) 30. An animal is extinct means it       .

   A. no longer exists in the world

   B. comes into this world soon

   C. becomes very dangerous

   D. has fewer and fewer living members

查看答案和解析>>

科目：初中英語 來源： 題型：

4. The cat was playing with a football (對畫線部分提問) 

      was the cat      ？

查看答案和解析>>

同步練習(xí)冊答案