21年6月西交《专业英语》在线作业-2（100分)

答案来历：熊猫奥鹏（www.188open.com）专业英语-[西安交通大学]西交《专业英语》在线作业
试卷总分:100 得分:100
第1题,She would make a teacher far (_______) to the average.
A、superior
B、better
C、favorable
D、popular
正确答案:


第2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
正确答案:


第3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
正确答案:


第4题,Tom didn\'t come to class yesterday. He (_______) ill.
A、must be
B、should be
C、must have been
D、should have been
正确答案:


答案来历：熊猫奥鹏（www.188open.com）,________ a concert next Saturday?
A、There will be
B、Will there be
C、There can be
D、There are
正确答案:


第6题,In the form of () the output is continuously fed back and compared with the reference input.
A、continuous control
B、discontinuous control
C、discrete-data control
D、sampled-data control
正确答案:


第7题,My motorcar was stolen.----- (_______) .
A、I\'m sorry to hear that
B、It doesn\'t matter
C、everybody knew
D、Mine wasn\'t
正确答案:


第8题,A transformer is a device that can convert one ac voltage to another ac voltage through the action of _____.
A、an electric circuit
B、a magnetic field
C、an electric field
D、a coupling circuit
正确答案:


第9题,My passport (_______) last month, so I will have to get a new one.
A、elapsed
B、expired
C、ended
D、terminated
正确答案:


答案来历：熊猫奥鹏（www.188open.com）,I like to get up early so that I can get plenty of work (_______) before lunch.
A、done
B、being done
C、to do
D、to be done
正确答案:


第11题,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
正确答案:


答案来历：熊猫奥鹏（www.188open.com）,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
正确答案:


第13题,The generator voltages are usually stepped up to the transmission voltage level by ().
A、series capacitor
B、parallel reactors
C、step-up transformers
D、step-down transformers
正确答案:


第14题,Lenin stressed that it is precisely the people who (_______) history.
A、invent
B、imagine
C、create
D、discover
正确答案:


答案来历：熊猫奥鹏（www.188open.com）,1
A、A
B、B
C、C
D、D
正确答案:


第16题,The toy boat turned over and sank to the (_______) of the pool.
A、base
B、depth
C、ground
D、bottom
正确答案:


第17题,He (_______) the children so badly that they were terrified of him.
A、behaved
B、treated
C、dealt
D、acted
正确答案:


第18题,() can provide an asynchronous link between two ac electric power system with different nominal frequencies.
A、The HVDC (high voltage DC) transmission
B、The EHV (extra-high voltage) AC transmission
C、The AC distribution
D、Generators
正确答案:


第19题,I think English is as ____ as math.
A、important
B、importanter
C、more important
D、most important
正确答案:


答案来历：熊猫奥鹏（www.188open.com）,Lucy is ___ of all.
A、young
B、younger
C、youngest
D、the youngest
正确答案:


第21题,The objective of the optimal economic operation of power systems is _____.
A、to minimize the total production cost
B、to maintain frequency constant
C、to maintain voltages constant
D、to ensure balance between generation and load
正确答案:


第22题,These are all (_______) demands.
A、reasonable
B、available
C、logical
D、formal
正确答案:


第23题,After having a good holiday, they are very keen to (_______) business.
A、get along
B、get to
C、get in
D、get over
正确答案:


第24题,When Jack arrived, he learned Mary___for almost an hour.
A、had gone
B、had been away
C、had left
D、had away
正确答案:


答案来历：熊猫奥鹏（www.188open.com）,The news came as no surprise to me, for I ____of it earlier.
A、hear
B、heard
C、have heard
D、had heard
正确答案:


第26题,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.
A、keyboard
B、Mouse
C、Monitor
D、hard disk
正确答案:


第27题,I\'ll make every (_______) to help you.
A、way
B、means
C、method
D、effort
正确答案:


第28题,The proposal seems quite good, but I can\'t easily (_______) without all the facts.
A、join
B、judge
C、say
D、speak
正确答案:


第29题,Must I be home before seven?--- (_______) .
A、No, you needn\'t
B、No, you mustn\'t
C、OK
D、no, you won\'t
正确答案:


答案来历：熊猫奥鹏（www.188open.com）,_____ can provide an asynchronous link between two ac electric power system with different nominal frequencies.
A、The HVDC (high voltage DC) transmission
B、The EHV (extra-high voltage) AC transmission
C、The AC distribution
D、Generators
正确答案:


第31题,How much a man can earn depends (_______) his skills.
A、along
B、at
C、on
D、with
正确答案:


第32题,The new English book I bought yesterday (_______) me almost twenty yuan.
A、spent
B、paid
C、cost
D、owned
正确答案:


第33题,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
正确答案:


第34题,Free medical treatment in this country covers sickness of mind as well as (_______) sicknesses.
A、normal
B、regular
C、average
D、ordinary
正确答案:


第35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
正确答案:


第36题,The discussion (_______) a wide range of subjects.
A、covered
B、conveyed
C、filled
D、concluded
正确答案:


第37题,It is generally considered unwise to give a child ____ he or she wants.
A、however
B、whatever
C、whichever
D、whenever
正确答案:


第38题,The government is taking effective measures to overcome (_______) difficulties.
A、average
B、radical
C、current
D、typical
正确答案:


第39题,They are proud (_______) their success.
A、of
B、in
C、on
D、over
正确答案:


第40题,What day is today?---(_______) .
A、Today is March 25th
B、Today is Saturday
C、Today is fine
D、Today is cold
正确答案:


第41题,He gave me money (_______) advice.
A、either
B、as well as
C、as well
D、also
正确答案:


第42题,1
A、A
B、B
C、C
D、D
正确答案:


第43题,Image clarity on a computer screen is measured with _____.
A、screen size
B、dot pitch
C、resolution
D、color depth
正确答案:


第44题,The generator voltages are usually stepped up to the transmission voltage level by _____.
A、series capacitor
B、parallel reactors
C、step-up transformers
D、step-down transformers
正确答案:


第45题,I would die (_______) marry him!" she screamed.
A、instead of
B、rather than
C、other than
D、more than
正确答案:


第46题,It was a (_______) illness, and she soon got over it.
A、little
B、minor
C、large
D、major
正确答案:


第47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
正确答案:


第48题,The transformer is a straightforward application of Faraday\'s ______ Law.
A、Ohm\'s
B、Electromagnetic Induction
C、Kirchhoff\'s Current
D、Kirchhoff\'s Voltage
正确答案:


第49题,There __________ a meeting tomorrow afternoon.
A、will be going to
B、will going to be
C、is going to be
D、will go to be
正确答案:


答案来历：熊猫奥鹏（www.188open.com）,Someone called me at midnight, but he hung up___I could answer it.
A、after
B、before
C、until
D、while
正确答案: