英语单选题1.It is difficult to ______ work as it is sometimes mix

英语单选题
1.It is difficult to ______ work as it is sometimes mixed togetherwith labor by most people
A.define
B.describe
C.decide
D.design
满分：1 分
2.Once attached to the host Program,thecomputer viruses then look for other programs to ______.
A.affect
B.effect
C.infect
D.perfect
满分：1 分
3.After he was attacked,he managed to__________ to the phone and call for help.
A.pound
B.stabber
C.turn
D.stagger
满分：1 分
4.Of even more importance,fuel cells （）only water and heat as byproducts; therefore they are much more preferable topresent fuels
A.commit
B.emit
C.omit
D.permit
满分：1 分
5.Over the past decades,sea ice in the Arctic（北极）______as a result of global warming.
A.had decreased
B.will decrease
C.has been decreasing
D.is decreasing
满分：1 分
6.Thesurvey has found that only 6% of Australians feel that their ______ in the Iraq war has made Australia safer.
A.activities
B.evolvement
C.act
D.involvement
满分：1 分
7.After a joint venture dismisses the surplus employee during thecontract term,the enterprise will give the dismissed certain （）
A.comprehension
B.composition
C.compensation
D.consultation
满分：1 分
8.A(n)______ is someone who is being considered for a position,for example someonewho is running in an election or applying for a job.
A.astronomer
B.scientist
C.candidate
D.researcher
满分：1 分
9.There are scientific satellites in__________ that measure wave heights,but too few to give reliable worldwidecoverage.
A.mark
B.orbit
C.store
D.line
满分：1 分
10.Every year we say we’ll spend less at Christmas,and every year itstill （）
A.keeps under control
B.comes to the end
C.gets out of hand
D.goes beyond reach
满分：1 分
11.He hasn't come yet.What do you consider_________to him?
A.happens
B.has happened
C.had happened
D.will happen
满分：1 分
12.______ is known to the world,Mark Twain is agreat American writer.
A.It
B.As
C.Which
D.That
满分：1 分
13.It is required that anyone who applies for this job should ______a recent photo to the application form
A.attack
B.attach
C.attend
D.attempt
满分：1 分
14.A marine shale,once believed to be a black mud rich in organiccompounds,is a common source rock to （） oil
A.block
B.discover
C.originate
D.prevent
满分：1 分
15.
—John wants to see you today.
— Iwould rather he _______ tomorrow than today.
A.comes
B.came
C.should come
D.could come
满分：1 分

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