一、选择题
1．You will never gain success ______ you fully put your effort into your work.
A．although B．unless C．if D．because
2．You can stay healthy________you exercise every day.
A．as long as B．so C．as soon as
3．Although he _______up very early this morning, _______he was still late for school. A．get ; and B．got;/ C．gets ;so D．got ; but
4．Li Lei didn’t go to bed his mother came back last night.
A．after B．until C．because
5．What does she want to do when she ________some money?
A．is going to save B．saves C．will save
6．He offered________valuable suggestions ________ few people disagreed.
A．such, that B．very, that C．so, that D．too, that 7．—I’m afraid I can’t finish the job in such a short time.
—Don’t worry. Can you do it if you_______ two more hours.?
A．give B．are given C．will give D．will be given 8．--- What was the party like?
--- Wonderful. It’s years ____ I enjoyed myself so much.
A．since B．after C．when D．before
9．— What shall we do now?
—__________ it’s raining hard, let’s stay at home.
A．So B．Since C．Though D．Otherwise 10．一Mom, I took my partner's math book home by mistake. What should I do?
一Well, you should call her you can say sorry to her.
A．as if B．so that
C．even though D．ever since
11．—Do you think if I am suitable for this IT job?
—You can’t get the job________ you have experience in the computer industry.
A．if B．unless C．because D．since
12．— Can you tell me when you are going to arrive there?
—I’m not sure. But I’ll ring you up as soon as I _____there tomorrow.
A．arrive B．arrived C．will arrive D．am going to arrive 13．I’ll finish the task, ________ how long it takes.
A．even though B．so that C．no matter
14．There are fewer and fewer tigers in India. The situation will continue _______ humans stop hunting them for their fur and bones.
A．if B．unless C．because D．since
15．Mr. White tells us the calls meeting will be cancelled if no agreement _________ tomorrow.
A．is reached B．will be reached
C．is going to be reached D．has been reached
16．________ you've tasted them, you can't imagine how delicious the dishes are. A．Because B．Although C．Unless D．So
17．I’ll go to visit my aunt in England the summer holidays start.
A．as soon as B．since C．unless
18．—The air pollution is terrible.
—It will be worse _____ everyone plays a part in saving the environment.
A．If B．unless C．until
19．Mr. Huang decided to buy that CD player ________ it was expensive.
A．even though B．so that C．as soon as D．as if
20．It was________a difficult task that nobody can finish it on time.
A．so B．too C．enough D．such
21．I didn't accept his help ________ I wanted to try it myself.
A．because B．though
C．until D．unless
22．The policeman asks the child not to cross the street ________ the traffic light turns green. A．when B．until C．because D．after
23．My father was watching TV ______ my mother was cooking.
A．when B．until
C．while D．as soon as
24．My father was reading ________ I was sleeping.
A．while B．when C．before D．after
25．I don’t like science _______it’s difficult.
A．but B．so C．because
【参考答案】***试卷处理标记，请不要删除
一、选择题
1．B
解析：B
【解析】句意：除非你全身心地投入到工作中去，否则你永远不会成功。考查连词辨析题。A. although尽管，表让步；B. unless除非，表条件；C. if如果，表条件；D. because因为，表原因。本句是条件状语从句，根据句意语境，可知if不合句意，故选B。
2．A
解析：A
【解析】
