Crocodiles (鱷魚(yú)) 1 their eggs and leave them under leaves or sand. Baby crocodiles use their teeth 2 their way out of the shells (殼).

Crocodiles only live 3 it is hot. They are found in Australia 4 America. They spend most of 5 time lying around in the rivers. The crocodiles’ long tail 6 when the animal is swimming. It is an excellent weapon(武器). It 7 be used to strike (打擊) the 8 . One blow will knock 9 a man or even a big animal at 10 . The crocodile has a hard neck. It cannot turn its 11 from side to side and so it can 12 see in front of itself. The crocodile has its teeth 13 by the crocodile bird. For its food this bird takes the bits in the crocodile’s mouth. This helps the crocodile a lot 14 it cannot move its tongue up and down. 15 its terrible teeth it catches its food. The food may be a fish, an animal, or even a careless man.

1. A. lay B. lie C. lain D. lying

2. A. to feel B. to turn C. to break D. to rush

3. A. when B. while C. where D. if

4. A. as B. and C. but D. so

5. A. its B. hot C. their D. cold

6. A. is used B. for help C. very useful D. be helpful

7. A. should B. can C. need D. must

8. A. friend B. enemy C. student D. family

9. A. soon B. far C. up D. down

10. A. most B. best C. once D. worst

11. A. tail B. head C. eyes D. body

12. A. not only B. still C. even D. only

13. A. pulled B. cleaned C. taken D. brushed

14. A. because B. so C. if D. whether

15. A. Under B. Between C. For D. With

名師點(diǎn)評

這篇文章主要講述了鱷魚(yú)的生活習性，你也許會(huì )感嘆：大自然太神奇了!如果鱷魚(yú)沒(méi)有長(cháng)長(cháng)的尾巴，它拿什么作武器?如果鱷魚(yú)能轉動(dòng)它的舌頭，那鱷魚(yú)鳥(niǎo)怎么生存?

答案簡(jiǎn)析在下一頁(yè)：

1. A。lay eggs產(chǎn)卵，下蛋l(fā)ay-laid-laid。lie躺，位于lie-lay-lain，說(shuō)謊lie-lied-lied。

2. C。小鱷魚(yú)破殼而出。

3. C。鱷魚(yú)住在熱的地方。where引導地點(diǎn)狀語(yǔ)。

4. B。

5. C。與前面的They對應。

6. A。被用來(lái)。其他的選項有語(yǔ)法錯誤。

7. B。can 表示一種能力，意為它的尾巴能用來(lái)攻擊。

8. B。敵人。

9. D。knock down 撞倒。

10. C。at most最多，at the best處于最佳狀態(tài)，at once立刻,馬上。根據意思應為“立刻把一個(gè)大的動(dòng)物擊倒”。

11. B。根據上文脖子硬，那當然是頭不能轉動(dòng)，而不可能是尾巴，眼睛或身體。

12. D。而頭不能轉動(dòng)，就意味著(zhù)只能看前方的東西。

13. B。have sth. done 讓某事被做。Have its teeth cleaned 讓鱷魚(yú)鳥(niǎo)給它清洗牙齒。

14. A。根據上下文之間的聯(lián)系，這里是陳述為什么對它有幫助的原因，因此用because。 #p#分頁(yè)標題#e#

15. D。固定搭配，意為“用牙齒”。

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