Unit 3单元练习
一. 根据释义写出单词, 单词的第一个字母已给出。
1. d_ _ _ _ unclean
2. j_ _ _ become member of (club, army, etc.)
3. w_ _ _ _ _ _ _ at whatever time
4. r_ _ _ _ _ _ waste or worthless matter
5. c_ _ _ _ _ _ bring or come together; get from a number of people
6. h_ _ _ hurt, damage
7. l_ _ _ _ _ make (place) untidy by discarding rubbish
8. n_ _ _ _ _ close in position
9. w_ _ _ _ _ _ _ in or to whatever place, in every place that…
10. v_ _ _ _ go and see (somebody or some places)

二. 用括号内所给词的正确形式填空，每个空格只限填一词。
1. Cleaners collected waste paper or bottles for __________. (recycle)
2. There are all kinds of books on those __________ in the library. (shelf)
3. The __________ trees we plant, the better. (much)
4. "Please help __________ to some fish." Mother said to the twins. (you)
5. Everyone should make a contribution to __________ (protect) our
　　　　　　environment.
6. My aunt works in a __________ factory. (shoe)
7. We should do something to make our country much __________ __________.
　　　　　(beautiful)
8. Lucy is a __________ girl. She does everything __________. (care)
9. The children are very __________. They are playing __________ in the park.
　　　　　　(happy)
10. My mother loves to keep all the windows __________ at night. (close)

三.单项选择:从各题的A、B、C、D四个选项中选出一个最佳答案，将其字母标号填入前面括号
　内。
1. I _____ my bag at home yesterday.
　　　　　A. forgot 　　B. left 　　C. brought 　　D. took
2. - I'm afraid I've given you too much trouble.
　　　　　- _____.
　　　　　A. Not at all 　　B. No, I'm not 　B. That's all right 　D. All right
3. - I've lost my pen. Have you seen it anywhere?
　　　　　- Sorry, _____.
　　　　　A. I have seen it somewhere 　　B. I haven't seen it anywhere
　　　　　C. I saw it everywhere 　　　　　D. I don't know
4. - Why not _____it in the dustbin?
　　　　　- Sorry, I won't do it again.
　　　　　A. throw 　B. throwing 　C. to throw 　D. threw
5. - _____.
　　　　　　- That's very kind of you.
　　　　　A. Take your little son here next time
　　　　　B. Bring your little son here next time
　　　　　C. Carry your little son here next time
　　　　　D. Catch your little son here next time
6. He is listening to _____ in his bedroom.
　　　　　A. a music 　B. some music 　C. a piece music 　D. some musics
7. Please _____ who broke the window.
　　　　　A. find 　B. find out 　C. look for 　D. look after
8. There ____ on Mr Wang's table.
　　　　　A. is some newspaper 　　B. is a newspaper
　　　　　C. is few newspaper 　　　D. is a few newspaper
9. Don't keep the door _____.
　　　　　A. open 　B. opening 　C. opened 　D. close
10. It took her _____ to finish writing this book.
　　　　　A. a year and a half 　　B. one and a half year
　　　　　C. one and two years 　D. a half year

四. 用括号内所给动词的正确形式填空，每个空格所填词数不限。
1. Do you often help __________ machines? (make)
2. The factory __________ some waste water into the river when I passed by
　　　　　　yesterday. (pour)
3. The man __________ in this town since he came to China last month.
　　　　　　(work)
4. Victor did very well in __________ stories. (write)
5. Please let me know as soon as you __________ in Sydney tomorrow.
　　　　　　(arrive)
6. - Where is Tom?
　　　　　　 - He __________ his car in the garden. (mend)
7. Don't forget __________ him the good news. (tell)
8. - Hi, Lucy. I __________ my umbrella.
　　　　　　 - Really? Where __________ you __________ it then? (find)
9. Lots of fish __________ because of the waste water. (die)
10. My aunt usually __________ some sports after supper. But she
　　　　　　__________ any sports last night. (do)

五. 根据句意，在每个句子的空白处填入一个适当的词，使句子意思完整，语法正确。
1. If the factory keeps on pouring waste water
生词表: