奥鹏作业网西交《专业英语》在线作业
试卷总分:100 得分:100
一、单选题 (共 50 道试题,共 100 分)
1.—I always look out when crossing the street.—You’re right. You cannot be too______.
A.nervous
B.careful
C.hurried
D.careless
2.Data stored in RAM _____ when the power of the computer is turned off.
A.is held permanently
B.permanently disappears
C.is held temporarily
D.temporarily disappears
3.They are proud (_______) their success.
A.of
B.in
C.on
D.over
4.The red rose is her (_______) .
A.favor
B.favorite
C.like
D.best
5.(_______),you must show your ticket to go into the cinema
A.No matter whoever you are
B.Whoever you are
C.Whomever you are
D.No matter who are you
6.He was then the only ___among the___there.
A.person asleep, people present
B.asleep person, present people
C.person asleep, present people
D.asleep person, people present
7.A group of scientists are conducting a(_______)into the feasibility of cloning human beings.
A.entrance
B.research
C.inquiry
D.investigation
8.I _____on a sofa because my parents have come for the weekend.
A.slept
B.was sleeping
C.have slept
D.am sleeping
9.—Are you sure that you’ve met him before? — ___I’m mistaken.
A.Unless
B.If
C.When
D.Though
10.________ a concert next Saturday?
A.There will be
B.Will there be
C.There can be
D.There are
11.The marine corps are (_______) with the latest weapons and they are sure to fulfill the mission.
A.equipped
B.charged
C.guarded
D.impressed
12.Let’s go by car. It’s _______.
A.cheap a lot
B.cheap much
C.more cheap
D.much cheaper
13.It is reported that two cars (_______) into each other this morning on the highway, killing both driver and two passengers.
A.crawled
B.crouched
C.pressed
D.crashed
14.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
15.He gave me money (_______) advice.
A.either
B.as well as
C.as well
D.also
16.I’ll make every (_______) to help you.
A.way
B.means
C.method
D.effort
17.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
18._____ is used as coolant in light-water reactors.
A.Gas
B.Organic compound
C.Molten salt
D.Water
19._____ 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
20.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
21.The electric machine that operates at speeds above synchronous speed works in ( ) region.
A.motoring
B.generating
C.plugging
D.stopping
22.The village was (_______) two or three groups of simple houses, a church, a post office and a small general store.
A.composed of
B.consisted of
C.made of
D.built with
23.Data stored in RAM ( ) when the power of the computer is turned off.
A.is held permanently
B.permanently disappears
C.is held temporarily
D.temporarily disappears
24.Can you come over for dinner with us? —– (_______)
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
25.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
26.We have come to a critical moment. You must take immediate (_______) .
A.act
B.action
C.activity
D.doings
27.We are going to have a dancing party tonight. Would you like to join us? —- (_______) .
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
28.Thank you ever so much for the book you gave me. — (_______) .
A.No thanks
B.I’m glad you like it
C.Yes, it is good
D.No, it’s not so good
29.Must I be home before seven? — (_______) .
A.No, you needn’t
B.No, you mustn’t
C.OK
D.no, you won’t
30.What would you like to have, meat or fish? — (_______) .
A.Either will do
B.Yes, I like meat
C.Yes, I like fish
D.No, they are not my favorite
31.He drives much _____ than he did three years ago.
A.careful
B.carefully
C.more careful
D.more carefully
32.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
33.So far is known, the original manuscripts of Shakespeare’s plays are no longer (_______) .
A.in wonder
B.in general
C.all in all
D.in existence
34.He (_______) the children so badly that they were terrified of him.
A.behaved
B.treated
C.dealt
D.acted
35.My pain___obvious the moment I entered the office, for the first man I met asked pitifully, “Are you feeling all right?”
A.could be
B.could have been
C.must be
D.must have been
36.The street was(_______)people.
A.filled with
B.full of
C.filled with
D.full with
37.The ship set out for the (_______) of the ocean depths.
A.exploration
B.explosion
C.expose
D.exposition
38.The thermal energy of the steam is converted into ( ) energy by the turbine.
A.electrical
B.mechanical
C.chemical
D.potential
39.——Excuse me, but there’s no smoking on this flight .——Oh , I ___that . Sorry, I won’t do it again.
A.don’t know
B.didn’t know
C.won’t know
D.haven’t known
40.The Buck（降压式变换器） is a _____ converter.
A.voltage step-up
B.current step-down
C.current step-up
D.resistance
41.She would make a teacher far (_______) to the average.
A.superior
B.better
C.favorable
D.popular
42.Anne couldn’t concentrate(_______)what she was doing while her families were watching TV.
A.to
B.on
C.for
D.in
43.Tom didn’t come to class yesterday. He (_______) ill.
A.must be
B.should be
C.must have been
D.should have been
44.It was a (_______) illness, and she soon got over it.
A.little
B.minor
C.large
D.major
45.The discussion (_______) a wide range of subjects.
A.covered
B.conveyed
C.filled
D.concluded
46.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
47.Passengers on the London train are being asked to go off and (_______) to another.
A.transfer
B.translate
C.transform
D.travel
48.Chinese is the language spoken by the ___ number of the people in the world, but it’s not as ___ as English.
A.largest;widely spoken
B.large;wide spoken
C.larger;widely speaking
D.larger;widely speaking
49.Resistors are ( ) elements.
A.passive
B.active
C.independent sources
D.dependent sources
50.A computer printer is _____ device that produces computer-generated text or graphical images on paper.
A.an input
B.an output
C.a storage
D.a data processing
