兰州大学21春《大学英语(3)》平时作业1答案

1.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
答案：C

2.Will you see to ____ that my birds are looked after well while I'm away?
A.them B.yourself C.it D.me
答案：C

3.Two ____ died of cold last winter.
A.hundreds old people B.hundred old people C.hundreds old peoples D.hundred old peoples
答案：B

4.If you buy more than ten, they will knock 20 pence off ____.
A.aprice B.price C.the price D.prices
答案：C

5.This question is too difficult, and everyone is ____ to solve it.
A.at his wits end B.at ones wits end C.in his wits end D.out of his wits end
答案：A

6.It is rather cold again today, but tomorrow we expect the temperature to ____.
A.lift B.rise C.grow D.raise
答案：B

7.The membership of the society began to ____.
A.drop off B.come off C.pull off D.let off
答案：A

8.The boys spent the whole morning ____ possible answers to the question.
A.discuss B.and discussing C.discussing D.and discussed
答案：C

9.Convenience foods which are already prepared for cooking are ____ in grocery stores.
A.ready B.approachable C.probable D.available
答案：D

10.His trousers ____ in his suitcase.
A.is always kept B.are kept always C.are always kept D.have always been
答案：C

11.____ is covered with heavy snow.
A.The earths surface B.The surface of earth C.The surface earth D.The earth surface
答案：A

12.____ lunch, the finance committee resumed the meeting.
A.Having to eat B.Have to eat C.Having eaten D.Having eat
答案：C

13.They passed our school ____ day before yesterday.
A.an B.one C.a D.the
答案：D

14.Mr. Morgan can be very sad ____, though in public he is extremely cheerful.
A.by himself B.in person C.in private D.as individual
答案：C

15.It is often said that ____ teachers have ____ very easy life.
A./, / B./, a C.the, / D.the, a
答案：B

16.She used to have three ____.
A.boys friends B.boys friend C.boy friends D.boy friend
答案：C

17.Students or teachers can participate in excursions to lovely beaches around the island at regular ____.
A.gaps B.rates C.lengths D.intervals
答案：D

18.This is ____ apple. It's ____ big apple.
A.an a B.a the C.a an D.an the
答案：A

19.The government gave us permission to ____ with our building plans.
A.go after B.go ahead C.go for D.go off
答案：B

20.The strong storm did a lot of damage to the coastal villages: several fishing boats were ____ and many houses collapsed.
A.wrecked B.spoiled C.torn D.injured
答案：A

21.Sixty-four ____ eight is eight.
A.divide by B.divided C.dividing by D.divided by
答案：D

22.His article is better than ____ in the class.
A.anyone's else B.anyone else C.anyone's else's D.anyone else's
答案：D

23.Most children are brought up in the ____ in big cities.
A.nursery B.park C.garden D.nurse
答案：A

24.Is he ____ American boy?
A.an B.a C.one D./
答案：A

25.The science of medicine, ____ progress has been very rapid lately, is perhaps the most important of all the sciences.
A.in which B.to which C.with which D.which
答案：A