西交17年3月课程《专业英语》作业考核标准答案
西安交通大学17年3月课程考试《专业英语》作业考核试题一、单选题：
1.An electric heater draws 10 A from a 120V line. The resistance of the heater is ( ). (满分:2)
A. 1200?
B. 120?
C. 12?
D. 1.2?
2.In the root-locus method the actual time response of a system can be obtained by means of ( ). (满分:2)
A. the inverse Fourier transform
B. the inverse Laplace transform
C. the Fourier transform
D. the Laplace transform
3.Some schools teach but fail to(( )) their students. (满分:2)
A. educate
B. instruct
C. enlighten
D. editorial
4.Finally, the teacher realized that the girl was crying ( ). (满分:2)
A. because what he had said
B. because that he had said
C. because of what he had said
D. because of that he had said
5.We are going to have a dancing party tonight. Would you like to join us? ----(( )) . (满分:2)
A. I'm afraid not. Because I have an appointment with my dentist tonight
B. Of course not. I have no idea
C. No
I can‘t
D. That‘s all set
6.When John came in, she(( )) her talk with Linda and talked to him. (满分:2)
A. broke off
B. called off
C. carrird off
D. passes out
7.It is reported that two cars(( )) into each other this morning on the highway, killing both driver and two passengers. (满分:2)
A. crawled
B. crouched
C. pressed
D. crashed
8.A computer printer is ( ) device that produces computer-generated text or graphical images on paper. (满分:2)
A. an input
B. an output
C. a storage
D. a data processing
9.They took the injured straight to the hospital. Otherwise some of them(( )) ． (满分:2)
A. might have died
B. might die
C. would die
D. could die
10.I ( )on a sofa because my parents have come for the weekend. (满分:2)
A. slept
B. was sleeping
C. have slept
D. am sleeping
11.Any protection scheme consists basically of ( ). (满分:2)
A. two elements
B. three elements
C. four elements
D. five elements
12.Beijing is one of ( ) cities in China. (满分:2)
A. large
B. larger
C. the largest
D. largest
13.We have come to a critical moment. You must take immediate(( )) . (满分:2)
A. act
B. action
C. activity
D. doings
14.1 (满分:2)
A.
B.
C.
D.
15.“Have you seen Lao Wu recently?”“Itlooks(( )) he would return home tomorrow.” (满分:2)
A. like
B. as
C. as if
D. that
16.He studied hard in his youth,(( )) contributed to his great success in later life. (满分:2)
A. that
B. it
C. what
D. which
17.Mary’s bother promised to go to London with us, but now he is considering. (满分:2)
A. he doesn’t go
B. not to go
C. not going
D. not go
18.The DC-DC converts ( ) input to ( ) output. (满分:2)
A. direct current
alternating current
B. direct current
direct current
C. alternating current
alternating current
D. alternating current
alternating current
19.The team( ) by the famous Italian coach ( ) among the best in the league. (满分:2)
A. to be headed; was
B. headed; was
C. being headed; were
D. having been headed; were
20.Bob isof the two boys. Mary is ( ) of the three girls. (满分:2)
A. tall
short
B. taller
the shorter
C. tallest
the shortest
D. the taller
the shortest
21.In the form of ( ) the output is continuously fed back and compared with the reference input. (满分:2)
A. continuous control
B. discontinuous control
C. discrete-data control
D. sampled-data control
22.(( )) I do is for your good. You should know this all the time. (满分:2)
A. All what
B. All which
C. Whichever
D. Whatever
23.( ) that connects at least two networks makes decision about the best route for data. (满分:2)
A. A modem
B. A network card
C. A hub
D. A router（路由器）
24.The marine corps are(( )) with the latest weapons and they are sure to fulfill the mission. (满分:2)
A. equipped
B. charged
C. guarded
D. impressed
25.—Is there anything I can do for you, sir?— . (满分:2)
A. Sure. Go ahead
B. No. Take your time
C. Yes. You’re welcome
D. Not now. Thanks anyway
26.There were some great national celebrations in town,the firework(焰火) displays everywhere. (满分:2)
A. looking at
B. finding out
C. at the sight
D. judging by
27.I found(( )) to answer all the questions within the time given. (满分:2)
A. no possibility
B. there was impossibility
C. impossible
D. it impossible
28.Let's go by car. It's ( ). (满分:2)
A. cheap a lot
B. cheap much
C. more cheap
D. much cheaper
29.Oh, sorry to bother you. -----(( )) . (满分:2)
A. That's OK
B. No
you can't
C. That's good
D. Oh
I don't know
30.I’ll make every(( )) to help you. (满分:2)
A. way
B. means
C. method
D. effort
31.He drives much ( ) than he did three years ago. (满分:2)
A. careful
B. carefully
C. more careful
D. more carefully
32.There ( )( ) a meeting tomorrow afternoon. (满分:2)
A. will be going to
B. will going to be
C. is going to be
D. will go to be
33.The delay of the flights is due to(( )) beyond our control. (满分:2)
A. conditions
B. causes
C. circumstance
D. inconvenience
34.He was then the only among thethere. (满分:2)
A. person asleep
people present
B. asleep person
present people
C. person asleep
present people
D. asleep person
people present
35.Thank you very much for giving me so much help. --- (( )) . (满分:2)
A. No thank you
B. You’re welcome
C. OK
D. Thanks
36.I think English is as ( ) as math. (满分:2)
A. important
B. importanter
C. more important
D. most important
37.Thank you ever so much for the book you gave me.---(( )) . (满分:2)
A. No thanks
B. I’m glad you like it
C. Yes
it is good
D. No
it’s not so good
38.Free medical treatment in this country covers sickness of mind as well as(( )) sicknesses. (满分:2)
A. normal
B. regular
C. average
D. ordinary
39.It is a pity to throw anything away if it can be(( )) . (满分:2)
A. bore in mind
B. learnt by heart
C. kept in sight
D. put to use
40.We go to the cinema(( )) a week. (满分:2)
A. often
B. once
C. seldom
D. usually
41.1 (满分:2)
A.
B.
C.
D.
42.Can you come over for dinner with us?-----(( )) (满分:2)
A. I'd like to but I have a meeting tonight
B. It doesn't matter
C. No
I don't like
D. Oh
that sounds well
43.Tom didn’t come to class yesterday. He(( )) ill. (满分:2)
A. must be
B. should be
C. must have been
D. should have been
44.The precision of ADC( analog-to-digital conversion ) is determined by ( ). (满分:2)
A. its speed
B. its gain
C. the accuracy of the reference voltage
D. the number of binary bits
45.The thermal energy of the steam is converted into ( ) energy by the turbine. (满分:2)
A. electrical
B. mechanical
C. chemical
D. potential
46.( ) that the left side of the human brain is responsible for logic . (满分:2)
A. It generally is believed
B. It isbelieved generally
C. It is generally believed
D. Generally it is believed
47.Most desktop computers use a separate ( ) as a display device, where notebook computers use a flat panel LCD screen(liquid crystal display screen) that attached to the system unit. (满分:2)
A. keyboard
B. Mouse
C. Monitor
D. hard disk
48.The cold weather(( )) the planting by two weeks. (满分:2)
A. set back
B. set forth
C. stuck up
D. stuck to
49.He gave me money(( )) advice. (满分:2)
A. either
B. as well as
C. as well
D. also
50.The algebraic sum of all voltages around a loop is ( ). (满分:2)
A. zero
B. indefinite value
C. sum of voltage rises
D. sum of voltage drops
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