6. Because the shop is closing down,all the T-shirts         . (price)

因为商店即将停业,所有的T恤以半价销售。

5. The article suggests that when a person        he should be especially careful to have a well balanced diet. (stress)

这篇文章建议说，当人处于不寻常的压力下时，他应格外注意饮食平衡。

4.        his lesson,he didn't notice his mother coming in. (concentrate)

全神贯注于他的功课，他丝毫没有发现他的妈妈进来了。

3. I failed in the final examination last term and only then        the importance of studies. (realize)

上学期期末考试没及格,直到那时我才意识到学习的重要性。

2. There are different forms of energy,        come from the sun. (which)

能源有不同形式，其中大部分来自于太阳能。

1. After we heard         ，we realized that we had been mistaken about him.

(explain)

听完他所解释的以后，我们意识到我们误会了他。

10. Cutting large sections of rainforests may provide a good supply of wood right now,but        it actually reduces the world's wood supply.

   A. as a rule   B. on the whole

   C. in the long run   D. what's more

9. The company had to        dozens of its employees because of the sharp drop in sales.

   A. lay off   B. lay down

   C. lay out   D. lay aside

8. Because headlines have to        a restricted amount of space,the newspaper editor creates headlines the way you would build a jigsaw puzzle.

   A. fit in   B. share in

   C. take in   D. lie in

7. The author believes that it is the test system,         the teachers,that is to blame for the heavy burden of middle school students.

   A. other than   B. or rather

   C. rather than   D. more than