备考2019年高考英语一轮复习27：状语从句
年级： 学科： 类型： 来源：91题库
一、单选题（共50小题）
1、 __ a single word can change the meaning of a sentence, a single sentence can change the meaning of a paragraph.
A . Just as
B . Even though
C . Until
D . Unless
2、We need to get to the root of the problem______ we can solve it.
A . while
B . after
C . before
D . as
3、You won't find paper cutting difficult _____you keep practicing it.
A . even if
B . as long as
C . as if
D . ever since
4、____ the damage is done, it will take many years for the farmland to recover.
A . Until
B . Unless
C . Once
D . Although
5、My grandfather still plays tennis now and then, he's in his nineties.
A . as long as
B . as if
C . even though
D . in case
6、I really enjoy listening to music ___ it helps me relax and takes my mind away from other cares of the day.
A . because
B . before
C . unless
D . until
7、_______online shopping has changed our life, not all of its effects have been positive.
A . Since
B . After
C . While
D . Unless
8、______ the average age of the population increases, there are more and more old people to care for.
A . Unless
B . Until
C . As
D . While
9、______some people are motivated by a need for success, others are motivated by a fear of failure.
A . Because
B . If
C . Unless
D . While
10、Everyone in the tourist industry has made the point that __________ Government assistance is helpful, what they actually need most is for the visitors themselves to return.
A . as
B . when
C . while
D . since
11、Backward somewhat technologically ________ we are for the moment, we have confidence in our ability to catch up in time.
A . although
B . if
C . as
D . once
12、Located_________the Belt meets the Road,Jiangsu will contribute more to the Belt and Road construction.
A . why
B . when
C . which
D . where
13、______ birds use their feathers for flight, some of their feathers are for other purposes.
A . Once
B . If
C . Although
D . Because
14、________ the punishment was unjust , he would accept it without saying anything, because he knew it was the rule of the company.
A . As though
B . Even though
C . In case
D . Now that
15、The visitor asked to have his picture taken ___ stood the famous tower.
A . where
B . that
C . at which
D . when
16、We'll build a power station ______ water resources are plentiful.
A . where
B . in which
C . which
D . that
17、It is nearly 50 years ______ the People's Republic of China was founded.
A . after
B . before
C . when
D . since
18、______ the sun rises, all the stars in the sky disappear.
A . The moment
B . Before
C . Till
D . For
19、You won't find it difficult ______ you have mastered it.
A . before
B . while
C . once
D . though
20、They had not known each other three days ______ they began to quarrel.
A . after
B . until
C . when
D . before
21、—It's a long time ________ I saw you last.
—Yes，and what a pity！It will be a long time ________ we see each other again.
A . since; before
B . when; when
C . since; when
D . before; since
22、As long as I can remember, ___________I called, his wife would answer the phone.
A . however
B . whenever
C . whatever
D . whichever
23、Why do you want a new job __________ you have got such a good one already?
A . when
B . while
C . as
D . although
24、He is writing a book about new discoveries in science. I am sure, _________ it is printed, this book will be very popular.
A . once
B . while
C . now that
D . though
25、It will be quite a long time _______ she is back again, so don't be too cross with her.
A . that
B . since
C . before
D . until
26、It is so good a habit to instruct children to lay things they belong when they are young.
A . to which
B . that
C . in which
D . where
27、It is so good a habit to instruct children to lay things _______ they belong when they are young.
A . to which
B . that
C . in which
D . where
28、Believe it or not,the young man,______disabled,managed to______a distance of 500 miles within 30 minutes.
A . as if; walk
B . though; run
C . even; cover
D . though; cover
29、The White Horse Temple first gained importance _________ Buddhism spread from here to other parts of China and Asia.
A . while
B . so
C . as
D . though
30、The visitor asked to have his picture taken ________stood the famous tower.
A . where
B . at which
C . that
D . when
31、She was a stubborn girl. ________, I couldn't persuade her to change her mind.
A . Might as I try
B . Try might as I
C . Might I as try
D . Try as I might
32、Magic shows are entertaining ______ the audience does not discover how the tricks are done.
A . so that
B . as long as
C . as if
D . ever since
33、Self-driving vehicles still have a long way to go they can reach the mass production stage.
A . when
B . since
C . as
D . before
34、 there are many strict occupational discipline in home health care system, by far the largest percentage of employment is found with the aide position.
A . Since
B . As long as
C . While
D . If
35、—How do you like the advertisement of the way to losing weight?
—Don't fall for it. In the beginning, that may do, but after a while you will end up back ________ you started.
A . as if
B . where
C . even if
D . when
36、_____he once felt like giving up,he now has the determination to push further and keep on going.
A . Where
B . As
C . In case
D . Now that
37、The government has taken some measures to reduce the smog, but it may be some time _____ the situation improves.
A . since
B . when
C . unless
D . before
38、_____ you visit the website, you can find the information you need.
A . Although
B . As long as
C . Since
D . Unless
39、— I like your new shoes!
— Thanks. I had to try on almost a dozen pairs _________ I decided to get them.
A . as
B . when
C . after
D . before
40、____________ you are familiar with the author's ideas, try reading all the sections as quickly as you possible can.
A . Now that
B . Ever since
C . So that
D . In case
41、Lily's drawing may not be excellent, ______ I know she has done her best.
A . so
B . although
C . before
D . as
42、She was such a proud person that she would die she would admit she was wrong.
A . since
B . when
C . unless
D . before
43、 you can learn to appreciate the challenges in life, you will find inner strength.
A . When
B . While
C . Before
D . Unless
44、_____ gas prices are rising, people are looking for less expensive ways to get around.
A . Now that
B . Even if
C . Although
D . Unless
45、You don't need an invitation to help others. Give help _____you are asked.
A . if
B . as
C . though
D . before
46、Someone called me up at midnight, but he had hung up I could answer the phone.
A . as
B . since
C . until
D . before
47、Let's not pick these peaches until this weekend ___________they get sweet enough to be eaten.
A . ever since
B . as if
C . even though
D . so that
48、_________ we don't stop climate change, many animals and plants in the world will be gone.
A . Although
B . While
C . If
D . Until
49、_______ you can sleep well, you will lose the ability to focus, plan and stay motivated after one or two nights.
A . Once
B . Unless
C . If
D . When
50、—Shall we turn to the boss for a longer holiday?
—He'll probably say no, ________ it's worth asking.
A . so
B . while
C . unless
D . though