备考2020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40小题）
1、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
2、_______online shopping has changed our life, not all of its effects have been positive.
A . Since
B . After
C . While
D . Unless
3、______ 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
4、______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
5、Located_________the Belt meets the Road,Jiangsu will contribute more to the Belt and Road construction.
A . why
B . when
C . which
D . where
6、______ birds use their feathers for flight, some of their feathers are for other purposes.
A . Once
B . If
C . Although
D . Because
7、 you can learn to appreciate the challenges in life, you will find inner strength.
A . When
B . While
C . Before
D . Unless
8、_____ gas prices are rising, people are looking for less expensive ways to get around.
A . Now that
B . Even if
C . Although
D . Unless
9、Someone called me up at midnight, but he had hung up I could answer the phone.
A . as
B . since
C . until
D . before
10、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
11、_________ we don't stop climate change, many animals and plants in the world will be gone.
A . Although
B . While
C . If
D . Until
12、_______ 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
13、—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
14、_____ we can take some measures to cut the losses to the minimum.
A . As earthquakes are difficult to predict
B . Are as earthquakes difficult to predict
C . Difficult are as earthquakes to predict
D . Difficult as earthquakes are to predict
15、________ you can sleep well, you will lose the ability to focus, plan and stay motivated after one or two nights.
A . Once
B . If
C . Unless
D . While
16、All of our equipment dates back to the 1960s and 1970s; we cannot make products that compete with foreign products, we can buy the necessary technology.
A . unless
B . while
C . once
D . if
17、The girl was then hit a second time by another van _________ an elderly trash collector came to her aid, according to some witnesses.
A . before
B . where
C . until
D . when
18、Guandan, a Poker game, originating _____ Premier Zhou Enlai was born, has been popular with the men in the street around the country.
A . from which
B . in where
C . where
D . what
19、Linda couldn't have broken into the teacher's office at midnight, for it was only nine o'clock ______she returned to the dormitory and had a sound sleep.
A . before
B . when
C . that
D . until
20、Most people quit ________ any results appear; they give up too soon and a quitter never wins.
A . while
B . until
C . since
D . before
21、— When will the bike-sharing schemes be introduced to the public?
— Not until _______ a better understanding of them.
A . we have had
B . will we have had
C . have we had
D . we will have had
22、Steve Jobs is a key figure in the computer world _____ he has had a great influence on modern life and technology.
A . on condition that
B . in case
C . in that
D . as long as
23、—When shall we set about doing our work?
—______ all the group members are here.
A . Until
B . Since
C . Unless
D . Not until
24、______, he does get annoyed with her sometimes.
A . Although much he likes her
B . Much although he likes her
C . As he likes her much
D . Much as he likes her
25、_______ that I wouldn't support myself at that moment.
A . I was weak enough
B . I was too weak
C . So weak was I
D . Such weak was I
26、The teacher's voice still remained calm ______ she was getting annoyed.
A . as long as
B . even if
C . as if
D . now that
27、Take the note as a reminder ______ you forgot to buy some sweets for the kids while shopping there.
A . how
B . that
C . in case
D . even if
28、So absorbed in her yoga exercises that she took no notice of the heavy rain outside.
A . Mary was
B . Mary has been
C . was Mary
D . has Mary been
29、Contrary to popular belief, the ants, hardworking ________ they are, have their time for play.
A . because
B . while
C . as
D . where
30、Patrick waited all the luggage was cleared, but his never appeared.
A . until
B . before
C . when
D . while
31、The doctor shares his phone number with the patients ________ they need medical assistance.
A . if only
B . as if
C . even though
D . in case
32、It was the middle of the night ________ my dad woke me up and told me to watch the football game.
A . when
B . that
C . which
D . as
33、How come? I can't find my key. I just left it ________ it had been.
A . where
B . which
C . when
D . how
34、He had no sooner finished his speech ________ the students started cheering.
A . since
B . as
C . when
D . than
35、Try ________ she might, Sue couldn't get the door open.
A . if
B . as
C . since
D . when
36、You can't use the computer now, ________ the upgrade of the system is under way.
A . until
B . unless
C . as
D . after
37、Everything was placed exactly ________ he wanted it for the graduation ceremony.
A . the place where
B . when
C . where
D . in which
38、________ you exercise regularly as well, you won't be able to lose weight only by eating less.
A . Once
B . When
C . If
D . Unless
39、The scientist does not study nature ________ it is useful to do so. He studies it because he takes pleasure in it.
A . until
B . because
C . though
D . unless
40、The new teacher was so well-organized that she began ________ we stopped yesterday so that no point was left out.
A . when
B . in which
C . how
D . where