北师大版英语九年级全一册Unit 8　Discoveries Check Your Progress同步课时练习（含答案）

Check Your Progress
Ⅰ.用括号中所给单词的适当形式填空
1．Lana ________(buy) a new dress if the old one ________(be) out of style.
2．When I was in the university, my pen friend asked me ________(show) him around the campus.
3．I will give the book to him if he ________(come) here next Sunday.
4．If it ________(not snow) tomorrow, we ________(feel) unhappy.
5．From then on, I made up my mind ________(practise) the piano every day.
6．Please ________(show) me the way if you ________(know) it.
7．You ________(hurt) your teeth if you ________(eat) too much candy.
8．The experience from ________(fail) to success made him grow up.
9．If there ________ fewer trees, there ________ more pollution.(be)
10．I ________(go) to the beach if it ________(not rain) tomorrow.
Ⅱ.用方框中所给短语的适当形式填空
in closing　above all　be able to pass on　go through
11．DNA can ________________certain characteristics from parents to children.
12．________________， I must tell you that you have failed in the English exam.
13．You mustn't tell others about it. ____________________， you mustn't tell your son.
14．You will ________________succeed in getting there on time if you don't give it up.
15．She smiled at him as he ________________ the door.
Ⅲ.单项填空
(　　)16.You will learn English well ________ you often use it.
A．or B．and
C．if D．because
(　　)17.There are no buses, ________ you'll have to walk.
A．so B．or C．but D．for
(　　)18.There will be less pollution ________ more people use public transportation.
A．but B．though
C．unless D．if
(　　)19.My parents are always worried about what will happen if I ________．
A．succeeded B．won't succeed
C．will fail D．fail
(　　)20.—Does your school hold the raising of the national flag every Monday morning
—Yes, ________ it rains heavily.
A．if B．since C．because D．unless
(　　)21.I don't remember ________ the book yesterday.
A．where I put B．where did I put
C．where will I put D．where I will put
(　　)22.She says that she'll have to close the shop ________ business improves.
A．if B．or
C．unless D．because
(　　)23.—Can you tell me ________ to London
—Sure. Next month.
A．when you will travel
B．when will you travel
C．when you travelled
D．when did you travel
Ⅳ.将下列句子改为含有if引导的条件状语从句的复合句
24．Get enough sleep, and you won't feel tired.
________ ________ ________ ________ ________， you won't feel tired.
25．Think hard, or you won't find a better way.
________ ________ ________ ________ ________， you won't find a better way.
26．You are going to copy others' papers.The teacher won't let you pass the exam.
________ ________ ________ ________ ________， the teacher won't let you pass the exam.
27．I don't do it right now. I'll never do it.
________ ________ ________ ________ ________ ________ ________， I'll never do it.
答案
Ⅰ.1.will buy, is　2.to show
3．comes　4.doesn't snow, will feel
5．to practise　6.show, know
7．will hurt, eat　8.failure
9．are, will be　10.will go, doesn't rain
Ⅱ.11.pass on　12.In closing　
13．Above all　14.be able to　
15．went through
Ⅲ.16.C　句意：你如果经常使用英语，就会学好英语。由句意可知，应用if引导条件状语从句。
17．A　句意：没有公共汽车，所以你就必须步行了。 前后句之间是因果关系。
18．D　19.D　20.D　21.A
22．C　句意：她说她将不得不关掉店铺，除非生意有所好转。由句意可知，设空处引导条件状语从句，排除B、D；unless意为“如果不；除非”。
23．A　宾语从句应用陈述语序，排除B、D；由答句的“Next month.”可知，应该用一般将来时。
Ⅳ.24.If you get enough sleep
25．If you don't think hard
26．If you copy others' papers
27．If I don't do it right now