2. A . could　　　　　　 B. should 　　　　　　 C. must 　　　 D. might

1. A . well 　　　　　　 B. fine 　　　　　 C. ill 　　 　　　 D. bad

15. B。whether …or…固定短语。

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I have tried many ways to be 　1　 . I don’t wear a sweater when I 　2　 , and two days ago I walked in the 　3　 　without my shoes. But so far nothing 　4　 . Debbie once told me about a boy in her class who liked 　5　 　school. He would rub(摩擦) the end of the thermometer (温度计) until it went 　6　 　to 39℃. Then he’d put it in his mouth and his mother would think he was 　7　 　ill.

This morning I tried doing that but it 　8　 　went above 35℃ and I rubbed it for ten 　9　 . So I held the thermometer 　10　 　the light on my desk and it went up to 40℃. I thought I’d put it in my mouth and walk downstairs like that. 　11　 　my mother would take it out and she would be 　12　 　when she saw that I was rather ill.

The only trouble was I didn’t know the thermometer would be so 　13　 , As soon as I put it into my mouth I burnt my tongue(舌头)! I spit (吐) the thermometer out. It fell 　14　 　the floor but it 　15　 .

14.　 D。机器和书对于学习英语来说是很有帮助的。

13.　 C。许多人不可能做到这一点。这里不可以用not possible，因为它的主语不可以用人。

12.　 D。it 代指上文所指的foreign language，故用被动被态。

11.　 B。后面省略了than 6 hours。意为6个小时或更多的时间。

10.　 C。固定短语，意为“做某事花费某人多长时间”。

9.　　　 A。作者在这里提出一种假设。如果他们一星期只有一两次使用外语。

8.　　　 B。这里的with是“用”的意思。