1 

We sometimes call the lion “the king of the jungle (叢林)” because it is stronger and more dangerous than other animals. It can run faster than many animals and it can hunt (捕獵) the best. It is the highest animal in the   1  food chain (食物鏈).

In the sea, the shark is one of the animals at the  2  of the food chain. It can swim faster than most other sea animals, and it can use its big teeth to eat them.

What is at the top of the world’s food chain?  3  are! We are not the biggest or fastest, but we are the   4  We could not run faster than cheetahs (獵豹),  so we  5  cars and now we can move the fastest. We could not  6   better than lions, so we invented guns (槍). Now we can hunt the best.

People’s inventions are clever, but they can be dangerous, too. For example, people invented  7 , and now they make the air and rivers dirty. This can make   8  changes. Dirty rivers kill fish.  Then bears cannot eat the fish and the bears die. If we kill one part of the food chain,   9   also die. Remember that we are a part of the food chain, so we are in danger too! If we protect animals, we are protecting   10  ! We should and we could do something for the world!

1.A. land      B. sea     C. mountain  D. desert

2.A. front     B. end     C. top        D. beginning

3.A. People    B. Lions   C. Sharks     D. Cheetahs

4.A. strongest B. cleverest

C. most special           D. most important

5.A. used      B. had          C. made        D. invented

6.A. fight     B. escape       C. kill        D. catch

7.A. hotels    B. schools      C. factories   D. hospitals

8.A. great     B. terrible     C. wonderful   D. complete

9.A. one part  B. another part C. other parts D. the other parts

10.A. ourself   B. yourselves     C. themselves  D. ourselves

 

【答案】

 

1.A

2.C

3.A

4.B

5.D

6.A

7.C

8.B

9.C

10.D

【解析】

1.考查名詞，根據(jù)上文可知，獅子應(yīng)該屬于陸地食物鏈上的一員。

2.鯊魚是高級動物，應(yīng)處在食物鏈的上端。

3.食物鏈的最高級應(yīng)是人類，故選A.

4.根據(jù)句意理解。

5.根據(jù)下文內(nèi)容we invented guns (槍). Now we can hunt the best.來推斷。

6.由此句we invented guns (槍). Now we can hunt the best.來推斷。

7.有句意可知，工廠制造污染，損害環(huán)境

8.生存環(huán)境發(fā)生惡劣變化。

9.生物鏈結(jié)構(gòu)有一處發(fā)生變化，其他地方也受影響。

10.此題考查反身代詞。保護(hù)環(huán)境，保護(hù)動物就是保護(hù)我們自己。

 

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