21春西交《专业英语》在线作业参考

端木老师

西交《专业英语》在线作业
1.[单选题] —I always look out when crossing the street.—You’re right. You cannot be too______.

    A.nervous
    B.careful
    C.hurried
    D.careless
    答:——B——
2.[单选题] 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
    答:——B——
3.[单选题] They are proud (_______) their success.
    A.of
    B.in
    C.on
    D.over
    答:——A——
4.[单选题] The red rose is her (_______) .
    A.favor
    B.favorite
    C.like
    D.best
    答:————
5.[单选题] (_______),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
    答:————
6.[单选题] 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
    答:————
7.[单选题] A group of scientists are conducting a(_______)into the feasibility of cloning human beings.
    A.entrance
    B.research
    C.inquiry
    D.investigation
    答:————
8.[单选题] I _____on a sofa because my parents have come for the weekend.
    A.slept
    B.was sleeping
    C.have slept
    D.am sleeping
    答:————
9.[单选题] —Are you sure that you’ve met him before? — ___I’m mistaken.
    A.Unless
    B.If
    C.When
    D.Though
    答:————
10.[单选题] ________ a concert next Saturday?   
    A.There will be
    B.Will there be
    C.There can be
    D.There are
    答:————
11.[单选题] The marine corps are (_______) with the latest weapons and they are sure to fulfill the mission.
    A.equipped
    B.charged
    C.guarded
    D.impressed
    答:————
12.[单选题] Let's go by car. It's _______.
    A.cheap a lot
    B.cheap much
    C.more cheap
    D.much cheaper
    答:————
13.[单选题] 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
    答:————
14.[单选题] 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
    答:————
15.[单选题] He gave me money (_______) advice.
    A.either
    B.as well as
    C.as well
    D.also
    答:————
16.[单选题] I’ll make every (_______) to help you.
    A.way
    B.means
    C.method
    D.effort
    答:————
17.[单选题] 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
    答:————
18.[单选题] _____ is used as coolant in light-water reactors.
    A.Gas
    B.Organic compound
    C.Molten salt
    D.Water
    答:————
19.[单选题] _____ 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
    答:————
20.[单选题] 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
    答:————
21.[单选题] The electric machine that operates at speeds above synchronous speed works in (  ) region.
    A.motoring
    B.generating
    C.plugging
    D.stopping
    答:————
22.[单选题] 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
    答:————
23.[单选题] 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
    答:————
24.[单选题] 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
    答:————
25.[单选题] 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
    答:————
26.[单选题] We have come to a critical moment. You must take immediate (_______) .
    A.act
    B.action
    C.activity
    D.doings
    答:————
27.[单选题] 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
    答:————
28.[单选题] 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
    答:————
29.[单选题] Must I be home before seven?
  --- (_______) .
    A.No, you needn’t
    B.No, you mustn’t
    C.OK
    D.no, you won’t
    答:————
30.[单选题] 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
    答:————
31.[单选题] He drives much _____ than he did three years ago.
    A.careful
    B.carefully
    C.more careful
    D.more carefully
    答:————
32.[单选题] 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
    答:————
33.[单选题] 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
    答:————
34.[单选题] He (_______) the children so badly that they were terrified of him.
    A.behaved
    B.treated
    C.dealt
    D.acted
    答:————
35.[单选题] 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
    答:————
36.[单选题] The street was(_______)people.
    A.filled with
    B.full of
    C.filled with
    D.full with
    答:————
37.[单选题] The ship set out for the (_______) of the ocean depths.
    A.exploration
    B.explosion
    C.expose
    D.exposition
    答:————
38.[单选题] The thermal energy of the steam is converted into (  ) energy by the turbine.
    A.electrical
    B.mechanical
    C.chemical
    D.potential
    答:————
39.[单选题] ——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
    答:————
40.[单选题] 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
    答:————
41.[单选题] She would make a teacher far (_______) to the average.
    A.superior
    B.better
    C.favorable
    D.popular
    答:————
42.[单选题] Anne couldn't concentrate(_______)what she was doing while her families were watching TV.
    A.to
    B.on
    C.for
    D.in
    答:————
43.[单选题] Tom didn’t come to class yesterday. He (_______) ill.
    A.must be
    B.should be
    C.must have been
    D.should have been
    答:————
44.[单选题] It was a (_______) illness, and she soon got over it.
    A.little
    B.minor
    C.large
    D.major
    答:————
45.[单选题] The discussion (_______) a wide range of subjects.
    A.covered
    B.conveyed
    C.filled
    D.concluded
    答:————
46.[单选题] 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
    答:————
47.[单选题] Passengers on the London train are being asked to go off and (_______) to another.
    A.transfer
    B.translate
    C.transform
    D.travel
    答:————
48.[单选题] 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
    答:————
49.[单选题] Resistors are (  ) elements.
    A.passive
    B.active
    C.independent sources
    D.dependent sources
    答:————
50.[单选题] 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
    答:————