《大学英语4》2023年春季学期在线作业（二）-00001
试卷总分:100 得分:100
一、单选题 (共 20 道试题,共 100 分)
1.As they can't afford to let the situation get worse, they will take some necessary _______.
A.decisions
B.sides
C.directions
D.steps
2.— How many students do you teach?
—_________
A.Quite a bit.
B.More boys than girls.
C.About 50.
D.Three mornings.
3.—Is Mary there?
—__________
A.Speaking.
B.I’m not Mary.
C.Who are you?
D.Mary is well today.
4.Once environmental damage ____, it takes many years for the system to recover.
A.is to do
B.does
C.had done
D.is done
5.—What are you majoring in?
—__________
A.In a university.
B.Very hard.
C.Mathematics.
D.At nine in the morning.
6.The car ____________ after an hour’s driving.
A.broke down
B.broke out
C.broke intobroke into
D.broke up
7.Last summer, his visiting of Disneyland __________ his dream in his boyhood.
A.embeded
B.embeded
C.castcast
D.fulfilled
8.Take an umbrella with you ___________ it might rain.
A.even if
B.in case
C.althoughalthough
D.since
9.They discussed _______ they could settle the problem without others' help.
A.if
B.that
C.what what
D.whether
10.______, televisions have become indispensable in many people’s daily life.
A.Approximately
B.Sincerely
C.UndoubtedlyUndoubtedly
D.Sensiblely
11.Mary: Helen is a mere washer woman, yet she's now buying a big house. Carol: Yes. Because she's always saved ________.
A.what little she earns
B.how little she earns
C.for little she earns for little she earns
D.with little she earns
12.He has no tickets __________ for Friday’s performance.
A.available
B.attainable
C.applicable applicable
D.appreciable
13.Please tell us when and why you decided to _________ your business in this district.
A.set down
B.set off
C.set upset up
D.set out
14.—What do you think of this novel?
—__________
A.I’ve read it.
B.It’s well-written.
C.It was written by my uncle.
D.I bought it yesterday.
15.If the corporation wants to increase its _________, it must reduce operating expense.
A.profit
B.interest
C.income income
D.cost
16.Do you have to wear a (n) ________ if you work at McDonald’s？
A.uniform
B.wisdom
C.twinkletwinkle
D.curl
17.—Is that seat taken?
—__________
A.Please don’t worry.
B.I don’t think so.
C.Why not?
D.It’s very nice.
18.It was an invention which laid the ____________ of modern radio technology.
A.emphasis
B.stress
C.opportunityopportunity
D.foundations
19.The accident was ______ to careless driving.
A.for
B.likely
C.due
D.because
20.It is vital that enough money ____ to fund the subject.
A.be collected
B.must be collected
C.is collectedis collected
D.can be collected
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