奥鹏作业网《大学英语(3)》20秋平时作业3
1.[单选题] The engineers are planning to ______________ oil with some kind of material for the engine.
A.substitute
B.place
C.replace
D.instead
答:——C——
2.[单选题] Truth will ____________ over falsehood, right over wrong.
A.prevail
B.advantage
C.win
D.earn
答:——A——
3.[单选题] _______ useful book it is！
A.Whatan
B.Howa
C.Whata
D.What
答:——C——
4.[单选题] That was _______ matter that I had no choice but to talk it over with my parents.
A.asuchserious
B.asoserious
C.suchseriousa
D.soseriousa
答:————
5.[单选题] I asked the saleswoman to __________ the price, but she firmly refused to. Faced with this I decided to turn to the manager.
A.bring down
B.lay down
C.put down
D.draw down
答:————
6.[单选题] I’ve been a student there for nearly two and _______ half years．
A.a
B.an
C.．the
D.／
答:————
7.[单选题] When did you arrive in Beijing? – __________.
A. nobody informs me.
B.I will see you later.
C.2 hours later
D. No, I don’t think I can get soon.
答:————
8.[单选题] what were you doing at nine last night? – __________.
A.I was watching TV at that time.
B. Yes, but I can’t afford the time
C.I did my homework. 兰大答案q599792222 或请进 opzy.net
D.I am going to leave my aunt’s home.
答:————
9.[单选题] The boys spent the whole morning _______ possible answers to the question.
A.discuss
B.anddiscussing
C.discussing
D.anddiscussed
答:————
10.[单选题] Only after a year _____________ to see the results of my experiment.
A.Ibegan
B.Ihadbegun
C.haveIbegun
D.didIbegin
答:————
11.[单选题] It is useful to be able to predict the extent ______ which a price change will affect supply and demand.
A.from
B.to
C.for
D.with
答:————
12.[单选题] She was scared to __________ death when she heard the news.
A.as much as
B.as well as
C.as good as
D.as many as
答:————
13.[单选题] —I really don’t know how to thank you enough．
— ．
A.Noproblem
B.Thinknothingofit
C.Withpleasure
D.Gladtohearthat
答:————
14.[单选题] My brother changed his major at college several times and he never ________ any one very long.
A.stuckto
B.keptback
C.letalone
D.madeway
答:————
15.[单选题] _________ , Edison began experimenting with something which he had made himself.
A.OnAugust12,1877
B.InAugust12,1877
C.At12August,1877
D.In1877,August,12
答:————
16.[单选题] He cut the cake__ .
A.inhalves
B.inhalf
C.intohalves
D.intohalf
答:————
17.[单选题] ——Did your classmate accept your invitation? ——No, he ____ refused.
A.as far as
B.as well as
C.as soon as
D.as good as
答:————
18.[单选题] _____________, we started looking for work.
A.Havingbeenspentallthemoney
B.Allthemoneyhavingbeenspent
C.Wespentallthemoney
D.Allthemoneywasspent
答:————
19.[单选题] While he was investigating ways t improve the telescope Newton made _______discovery which completely changed ____ man’s understanding of color.
A.a,/
B.a,the
C./,the
D.the,a
答:————
20.[单选题] When he applied for a _____________ in the office of the local newspaper, he was told to see the manager.
A.location
B.profession
C.career
D.position
答:————
