一、根据句意及所给中文提示、首字母或英文解释，写出句子所缺单词，每空限填一词。
1. Our maths teacher is always patient enough to _______________(解释) things to us.
2. I tried to _______________(警告) him about it, but he wouldn’t listen.
3. The _______________(provided for the use of people in general) library is a great place to read and learn.
4. No p_______________ on the pavement. You need to move your car away.
5. To protect the environment，please avoid l_______________ carelessly.

1. explain 2. warn 3. public 4. parking 5. littering

( )1. Look at the sign on the right. It means “_______”.

A. NO PHOTOS
B. NO FISHING
C. NO PARKING
D. NO SMOKING

1. A

( )2. They always warn us _______ ball games on the road to avoid _______ ourselves.
A. to not play; hurting
B. not to play; to hurt
C. not to play; hurting
D. not play; to hurt

2. C 【点拨】warn sb. not to do sth. 警告某人不要做某事，avoid doing sth. 避免做某事。故选 C。

( )3. —You mustn’t swim here. Look at the sign. It _______ “No swimming”.
—Oh，I didn’t notice it. Thanks for telling me.
A. writes
B. speaks
C. says
D. tells

3. C 【点拨】标志上写着什么内容用 say 或 read 表示。故选 C。

( )4. Nothing can keep us _______，so we should work harder.
A. from realize our dreams
B. making our dreams come true
C. realizing our dreams
D. from making our dreams come true

4. D 【点拨】keep sb. from doing sth. 阻止某人做某事，这个短语中的介词 from 不能省略。故选 D。

三、阅读短文，在文中空白处填入1个适当的单词，或用括号内所给单词的正确形式填空。
My father is Chinese and my mother is American. I lived in China at first. Then I moved to the United States when I was _______(twelfth) years old. I was able to see the _______(different) between Chinese and American customs.
For example，if Chinese people go to others’ house，they _______(buy) gifts for their friends. Americans will not _______(usual) buy gifts. They only buy gifts on their friends’ birthdays or for some other big celebrations. The Chinese feel it is not polite if people don’t give gifts， _______ Americans think it is very strange to give gifts.
If you ask Chinese people _______(sit)，you must ask them many times， _______ they will not sit at all. Chinese people believe that if they are not asked a few _______(time)，then accepting something makes them look bad.
Because I _______(grow) up in both cultures，I believe that I can get on well with both Chinese people _______ American people.
1. _________ 2. _________ 3. _________ 4. _________ 5. _________
6. _________ 7. _________ 8. _________ 9. _________ 10. _________

1. twelve 2. differences 3. will buy 4. usually 5. but
6. to sit 7. or 8. times 9. grow 10. and