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9BUnit1 语法综合练习
一、单项选择。
1.Going to the movies is good, ______ I really only like listening to music.
A. and B. but C. so D. or
2.Rose, you are so thin. You should eat more, you’ll make yourself ill.
A. or B. if C. and D. but
3.Although he’s over 70,_____ he is full of energy.
A.but B.and C.so D./
4.Leave the reference books behind, ___ you won’t be able to think independently.
A.or B. and C. so D.but
5.Be quiet, my kids, _____ you will have to stay outside, because this is a library.
A.and B.because C.or D.but
6.Don’t run in the classroom, ______ you may hurt yourself.
A. and B. or C. but D. so
7.Read this article, _______ you will understand that not everything can be bought with money.
A. or B. and C. but D. so
8.It was raining heavily, _____ we decided to stay at home and watch TV.
A. but B. or C. because D. so
9.The traffic rules say drivers mustn’t drive if they are drunk, _______they will be punished.
A. or B. but C. and D. so
10.Don’t meet an “Internet friend” alone, ______ something dangerous may happen to you.
A. but B. and C. or D. yet
11. —We have entered a world where robot operations become true with 5G technology.
—Hard to believe! Scientists are full of ____________which leads to great changes in our life.
A. instruction B. instrument C. invention D. introduction
12. Our Chemistry teacher always tells us we ____________ be too hardworking before the exams.
A. mustn’t B. shouldn’t C. needn’t D. can’t
13. Could you help me with my history project _____ you are free today? I have only two days left to complete it.
A. since B. though C. unless D. until
14 —Our school’s Kite Day is coming. Shall we make a kite for ourselves?
—Good idea! But would you please show me ___________