6. I        while reading an English story. Luckily,my roommate woke me up in time (fall)

我在读英文故事时睡着了，幸运的是我的室友及时把我叫醒了。

5. It is reported that Tibetan antelopes are hunted for their wool,so some measures must be taken         . (protect)

据报道，藏^羊因为羊毛而被猎杀，所以必须采取措施以防它们被杀害。

4. However,at times this balance in nature is disturbed,         a number of possibly unseen effects (result)

然而，有时自然界的平衡被打乱，导致产生一些可能看不见的影响。

3. The next moment,         what was happening,she was hit over the head.

(realize)

下一刻，还没有等她意识到发生了什么，她已被击中了头部。

2. The reason        for being late was that the heavy snow prevented him.

(give) 

对于迟到，他所给的理由是大雪阻碍了他。

1. With the old stone bridge         , a new steal one is going to be built here. (tear)

随着这个旧石桥的拆除，一个新的钢桥将会在这里修建。

10. Normal tourism is often bad for the environment. Ecotravel,          ，is a way to travel responsibly.

   A. as well   B. on the other hand

   C. in fact   D. what's more

9. "This article is too long," said the editor."Could you        to 2,000 words?"

   A. cut it off   B. cut it out

   C. cut it down   D. cut it up

8. We had to        hundreds of people because all seats were sold.

   A. turn away   B. move away

   C. turn off   D. move on

7. In recent years much more stress has been put        developing the students' productive skills.

   A. over   B. on   C. with   D. into