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

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

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

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

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

15.　 A。another 另一个，the other 其他所有的，others别的人

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

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 (打击) 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.

14.　 C。这时他才发现真相，所以很吃惊地把手缩了回

13.　 C。抻出手臂抱着“她”

12.　 D。“她”独自一人，才可以向“她”表明心迹。Lonely“孤单地” alone“独自一人地”

11.　 D。飞行员发现自己爱上了这个女孩子。