西交《专业英语》在线作业

李老师

西交《专业英语》在线作业
试卷总分：100       测试时间：--
单选题  


一、单选题（共 50 道试题，共 100 分。）V 1.  Although he had looked through all the reference material on the subject, he still found it hard to understand this point and her explanation only (_______)to his confusion.
A. extended
B. amounted
C. added
D. turned
      满分：2  分
2.  I believe we’ve met somewhere before. --- No, (_______) .
A. it isn’t the same
B. it can’t be right
C. I don’t think so
D. I’d rather not
      满分：2  分
3.  Although he had the (_______) of birth, he was honored for his(_______).
A. humbleness … humility
B. humility … humbleness
C. humble … humbleness
D. humility … humble
      满分：2  分
4.  The system’s characteristic equation can be used to determine _____ of a linear time-invariant system.
A. the stability
B. magnitude of the steady-state error
C. the controllability
D. the observability
      满分：2  分
5.  Urban mothers had difficulty (_______) their into child care facilities.
A. in getting
B. to get
C. get
D. for getting
      满分：2  分
6.  I have no doubt (_______) he will overcome all his difficulties．
A. which
B. what
C. that
D. If
      满分：2  分
7.  They thought the program was (_______) investigating．
A. worth
B. worthy
C. worthwhile
D. worthing
      满分：2  分
8.  He is still (_______) after the accident, which made us all surprised.
A. living
B. alive
C. live
D. lively
      满分：2  分
9.  As I felt so much better, my doctor (_______) me to take a holiday by the sea.
A. suggested
B. considered
C. advised
D. inquired
      满分：2  分
10.  (_______) I do is for your good. You should know this all the time.
A. All what
B. All which
C. Whichever
D. Whatever
      满分：2  分
11.  The wide application of operational amplifiers lies in advantage of using _____.
A. positive feedback networks
B. large open-circuit gain
C. negative feedback networks
D. small output impedance
      满分：2  分
12.  (_______) finishing his homework, he had to stay home at the weekend.
A. Not having
B. Having not
C. Being not
D. Having not being
      满分：2  分
13.  How long have you lived in London? ----- (_______) .
A. I moved here from Paris
B. My whole life
C. I’ve worked here for almost 10 years
D. I’ve never traveled there
      满分：2  分
14.  Passengers on the London train are being asked to go off and (_______) to another.
A. transfer
B. translate
C. transform
D. travel
      满分：2  分
15.  The proposal seems quite good, but I can’t easily (_______) without all the facts.
A. join
B. judge
C. say
D. speak
      满分：2  分
16.  Some schools teach but fail to (_______) their students.
A. educate
B. instruct
C. enlighten
D. editorial
      满分：2  分
17.  —Don’t you think hard work is what makes people succeed?— ___.
A. I couldn’t agree more
B. I hope so
C. I’ve got it
D. Wish you success
      满分：2  分
18.  He drives much _____ than he did three years ago.
A. careful
B. carefully
C. more careful
D. more carefully
      满分：2  分
19.  In North American _____ is adopted as standard frequency in electric power system.
A. 25Hz
B. 50Hz
C. 60Hz
D. 125Hz
      满分：2  分
20.  _____ is used as coolant in light-water reactors.
A. Gas
B. Organic compound
C. Molten salt
D. Water
      满分：2  分
21.  It was a (_______) illness, and she soon got over it.
A. little
B. minor
C. large
D. major
      满分：2  分
22.  The electric machine that operates at speeds above synchronous speed works in _____ region.
A. motoring
B. generating
C. plugging
D. stopping
      满分：2  分
23.  May I have a look at your photo album? --- (_______) .
A. Yes, you have
B. It’s very interesting
C. This is my girl friend
D. Yes, of course
      满分：2  分
24.  A D/A is a device that can convert a digital signal to the equivalent _____.
A. digital form
B. numerical form
C. binary form
D. analog form
      满分：2  分
25.  Resistors are _____ elements.
A. passive
B. active
C. independent sources
D. dependent sources
      满分：2  分
26.  When John came in, she (_______) her talk with Linda and talked to him.
A. broke off
B. called off
C. carrird off
D. passes out
      满分：2  分
27.  A 15-year-old boy was (_______) for stealing 22 charity boxes from local shops.
A. convicted
B. sentenced
C. arrested
D. attacked
      满分：2  分
28.  The team_____ by the famous Italian coach _____ among the best in the league.
A. to be headed; was
B. headed; was
C. being headed; were
D. having been headed; were
      满分：2  分
29.  The overall transfer function is the ratio of the transform of the controlled variable to the transform of _____.
A. the controlled variable
B. the reference input
C. the feedback
D. the output variable
      满分：2  分
30.  Tom didn’t come to class yesterday. He (_______) ill.
A. must be
B. should be
C. must have been
D. should have been
      满分：2  分
31.  Can you do the work with _____ money and _____ people?
A. less,fewer
B. fewer,less
C. little,less
D. lest,fewest
      满分：2  分
32.  When Jack arrived, he learned Mary___for almost an hour.
A. had gone
B. had been away
C. had left
D. had away
      满分：2  分
33.  Lucy is ___ of all.
A. young
B. younger
C. youngest
D. the youngest
      满分：2  分
34.  Look at the rainbow! What a view! ------- (_______) ！
A. Yes. What beautiful it is
B. Yes. How beautiful it is
C. Yes. What a beautiful it is
D. Yes. How a beautiful it is
      满分：2  分
35.  We have come to a critical moment. You must take immediate (_______) .
A. act
B. action
C. activity
D. doings
      满分：2  分
36.  The news came as no surprise to me, for I ____of it earlier.
A. hear
B. heard
C. have heard
D. had heard
      满分：2  分
37.  The aim of our training is to teach the students to have the ability of tackling problems (_______) .
A. of their own
B. on their own
C. to their own
D. for their own
      满分：2  分
38.  ________ a concert next Saturday?
A. There will be
B. Will there be
C. There can be
D. There are
      满分：2  分
39.  Although the pay is not good, people usually find social work (_______) in other ways.
A. payable
B. respectful
C. grateful
D. rewarding
      满分：2  分
40.  ___, and we’ll know the results of the contest.
A. Another 3 days
B. Three days later
C. After 3 days
D. In three days
      满分：2  分
41.  -________ you ________ free tomorrow?– No. I ________ free the day after tomorrow.
A. Are;going to;will
B. Are;going to be;will
C. Are;going to;will be
D. Are;going to be;will be
      满分：2  分
42.  A computer’s microprocessor only understands _____ in binary form.
A. high-level languages
B. machine language
C. human languages
D. assembly language
      满分：2  分
43.  _____ carries data out to speakers and headphones, or back from a microphone.
A. A graphics card
B. A modem
C. A network card
D. A sound card
      满分：2  分
44.  ON-OFF information can be represented by _____ signal.
A. a digital
B. an analog
C. a discrete
D. a control
      满分：2  分
45.  All the characteristics that distinguish birds (_______) other animals can be traced to prehistoric times.
A. to
B. between
C. for
D. from
      满分：2  分
46.  If they come, we ________ a meeting.
A. have
B. will have
C. had
D. would have
      满分：2  分
47.  This one is not good, that one is ____.
A. more bad
B. even worse
C. still worst
D. more badly
      满分：2  分
48.  
In a coal-fired power plant, an electrostatic precipitator is used to remove _____ from the combustion gases.


   
A. solid particle   
B. SO2
C.  CO  
D.  water vapour
      满分：2  分
49.  These heavy walls expressed man's fear of the outer world and his need to find (_______) .
A. prevention
B. protection
C. preservation
D. preparation
      满分：2  分
50.  Would you rather come on Friday or Saturday? --- (_______) .
A. Yes, of course
B. No, thanks
C. It doesn’t matter
D. Friday
      满分：2  分