1 . The number of smokers, _________ is reported, has dropped by 17 percent in just one year. （用适当的词填空）

2 . The factory produces half a million pairs of shoes every year, ________ 80% are sold abroad. （用适当的词填空）

3 . In his small house, there is a bookshelf, ________ the top is filled with poetry books. （用适当的词填空）

5 . Many young people, most of ________ were well-educated, headed for the countryside to chase their dreams. （用适当的词填空）

6 . I am pleased to have this chance today to talk to you about the United Nations, or the UN, ________________________. (根据句意填空)

7 . Mary invited 30 people to her wedding, most of ___________ are family members. （用适当的单词填空）

8 . 下列句子中各有一处语言错误，请把错误改正，其他部分不得改动。每处错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号（∧），并在右边横线上写出该加的词。
删除：把多余的词用斜线（╲）划掉，并在右边横线上写出该词，也用斜线划掉。
修改：在错的词下划一横线，并在右边横线上写出改正后的词。
1. Then we had a short rest and move on.
2. They succeeded in getting to the top, on that they kept laughing and jumping.
3. It took the teacher months to bring his class under the control.
4. I enjoyed my short and comfort journey very much.
5. Her daughter won’t listen what she says.

9 . The commander got a chance to visit the mountain_____ top was covered with thick snow ,____ he had been dreaming of for years.

A．that; which

B．whose ; which

C．of which ; what

D．of whom ;that

10 . 阅读下面材料，在空白处填入适当的内容或括号内单词的正确形式。
1. Everyone should work hard and do what they can ____________(fight) against national smog.
2. ____________(observe) the problem for many years, he announced that we are facing the severe environmental problem of our time.
3. We should produce more things from materials that have been recycled, and less from raw materials, the supply of ____________ is growing smaller and smaller.
4. He travelled on the plane like this, keeping the tortoise ____________ (hide) in a blanket.
5. I remember ____________ (invite) to their party, but I have forgotten the invitation in the office.
6. I told Hannah my secret and ____________ (admit) how badly I had done in the math quiz.
7. David has done good deeds all his life, ____________ (earn) him much reputation.
8. They started shouting at each other and it turned into a horrible ____________ (argue).
9. ____________ it may feel awkward, if she really is your best friend, you should apologize for blaming her.
10. We need to stop thinking of companies and businessmen ____________the enemy and give them more credit.