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单选题:
1.We go to the cinema (_______) a week.
A often
B once
C seldom
D usually
单选题:
2.——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
单选题:
3.Amidst the crowd of happy, prosperous looking Christmas shoppers, the little black figure of the old man seemed pitiful and (_______) .
A out of a place
B out of places
C out of place
D out of the place
单选题:
4.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
单选题:
5.Amy, I want this report typed today. --- (_______) .
A It will be ready in the afternoon, sir
B I“d like you to help me
C I know nothing about the report
D Leave it to tomorrow
单选题:
6.Mary’s bother promised to go to London with us, but now he is considering___.
A he doesn’t go
B not to go
C not going
D not go
单选题:
7.The electric machine that operates at speeds above synchronous speed works in _____ region.
A motoring
B generating
C plugging
D stopping
单选题:
8.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
单选题:
9.There ________ a dolphin show in the zoo tomorrow evening.
A was
B is going to have
C will have
D is going to be
单选题:
10.Be sure to (_______) your work at the end of the exam.
A look over
B hang up
C set aside
D catch sight of
单选题:
11.He studied hard in his youth, (_______) contributed to his great success in later life.
A that
B it
C what
D which
单选题:
12.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
单选题:
13.He drives much _____ than he did three years ago.
A careful
B carefully
C more careful
D more carefully
单选题:
14.I would die (_______) marry him!“ she screamed.
A instead of
B rather than
C other than
D more than
单选题:
15.The proposal seems quite good, but I can’t easily (_______) without all the facts.
A join
B judge
C say
D speak
单选题:
16.Within industries, companies are always trying to develop products that are one step better than___ of other companies.
A ones
B that
C those
D all
单选题:
17.The government is taking effective measures to overcome (_______) difficulties.
A average
B radical
C current
D typical
单选题:
18.Image clarity on a computer screen is measured with _____.
A screen size
B dot pitch
C resolution
D color depth
单选题:
19._____ that connects at least two networks makes decision about the best route for data.
A A modem
B A network card
C A hub
D A router(路由器)
单选题:
20.— My best friend’s in a bad mood.— How about ____ her some flowers?
A giving
B given
C to give
D give
单选题:
21.Have you read about the (_______) of Marco Polo ?
A operations
B adventures
C knowledges
D temperaments
单选题:
22.Professor Wang tried to(_______)the two philosophers with each other.
A compared
B accused
C sugggested
D speak
单选题:
23.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
单选题:
24.I’m sorry. Bob’s not in his office. --- (_______) .
A Can you take a message for me
B Are you sure for that
C Would you like to leave a message
D Can you phone me
单选题:
25.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
单选题:
26.The delay of the flights is due to (_______) beyond our control.
A conditions
B causes
C circumstance
D inconvenience
单选题:
27.Delphi belongs to _____.
A low-level programming language
B high-level programming language
C a programming language connected with the computer hardware behavior
D an assembly language
单选题:
28.The precision of ADC ( analog-to-digital conversion ) is determined by _____.
A its speed
B its gain
C the accuracy of the reference voltage
D the number of binary bits
单选题:
29.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
单选题:
30._____ 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
单选题:
31.A desktop computer“s sound card sends signals to external _____.
A printer
B speaker
C Modem
D keyboard
单选题:
32.— Why are they pulling down the houses?— _____a new parking lot.
A Build
B To build
C Building
D Built
单选题:
33.An expansion slot is a long, narrow socket on the motherboard into which you can plug _____.
A an expansion card
B a modem
C a network card
D a sound card
单选题:
34.Someone called me at midnight, but he hung up___I could answer it.
A after
B before
C until
D while
单选题:
35.The ship set out for the (_______) of the ocean depths.
A exploration
B explosion
C expose
D exposition
单选题:
36.ON-OFF information can be represented by _____ signal.
A a digital
B an analog
C a discrete
D a control
单选题:
37.All the characteristics that distinguish birds (_______) other animals can be traced to prehistoric times.
A to
B between
C for
D from
单选题:
38.The primary winding is connected to _____.
A the power source
B the load
C the measurement instrument
D the motor
单选题:
39.<img width=“514“ height=“53“ alt=““ src=“http://file.open.com.cn/ItemDB/4 ... /20145323398201.jpg“ />1
A
B
C
D
单选题:
40.They took the injured straight to the hospital. Otherwise some of them (_______) .
A might have died
B might die
C would die
D could die
单选题:
41.___, 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
单选题:
42.“Have you seen Lao Wu recently?” “It looks (_______) he would return home tomorrow.”
A like
B as
C as if
D that
单选题:
43.——I’m sorry I stepped outside for a break . I was very tired.——There’s no ___for this while you are on duty .
A excuse
B reason
C cause
D explanation
单选题:
44.He is still (_______) after the accident, which made us all surprised.
A living
B alive
C live
D lively
单选题:
45.(_______),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
单选题:
46.<p><img width=“560“ height=“87“ alt=““ src=“http://file.open.com.cn/ItemDB/4 ... 201453233843919.jpg“ />1
A
B
C
D
单选题:
47.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
单选题:
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
单选题:
49.The story of George Washington and the cherry tree is (_______) every American school child.
A known as
B known to
C known for
D known in
单选题:
50.In the root-locus method the actual time response of a system can be obtained by means of _____.
A the inverse Fourier transform
B the inverse Laplace transform
C the Fourier transform
D the Laplace transform
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