【单选题】
___ they have written about the behaviors of animals is hardly anything new.
A. That
B. This
C. What
D. Which
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相关试题
【单选题】
No other drugs are as good as this one; it must have been based on a(n) ___ formula (配方).
A. enormous
B. stimulating
C. unique
D. overwhelming
【单选题】
Mothers tend to be too ___ toward their children. They should let them see more of the worl D.
A. hopeful
B. protective
C. modest
D. encouraging
【单选题】
The investigation ___ evidence of a large-scale illegal trade in wild birds.
A. uncovered
B. outweighed
C. overwhelmed
D. evolved
【单选题】
Poor Laura! I feel so sorry for her. When she fell, she hurt her arm and, ___, broke her glasses.
A. in advance
B. in addition
C. over time
D. on the other hand
【单选题】
Showing some sense of humor can be a(n) ___ way to deal with some stressful situations.
A. genuine
B. available
C. effective
D. favorite
【单选题】
It will be worth the efforts even if you fail; the rewards you ___ will be great.
A. reap
B. boast
C. assure
D. cultivate
【单选题】
He suggested transporting the supplies by air. But it is absolutely ___, for it will cost too much.
A. unusual
B. uncertain
C. impractical
D. impressive
【单选题】
The newspaper didn’t mention the ___ of the damage caused by the fire.
A. range
B. level
C. extent
D. quantity
【单选题】
Do you ___ her novels as serious literature or as mere entertainment?
A. classify
B. notify
C. simplify
D. justify
【单选题】
He doesn’t ___ of buying a house this year because the bank has refused to lend him any money.
A. afford
B. make the most
C. run out
D. stand a chance
【单选题】
If you don’t ___ cooking today, we can go out to eat at the new restaurant.
A. would like
B. go on with
C. feel like
D. figure out、
【单选题】
Bullying (恃强欺弱) can ___ a climate of fear and anxiety in school, and prevent students from focusing on their schoolwork.
A. keep back
B. give rise to
C. feel like
D. make use of
【单选题】
Science can now ___ many things which were thought to be mysterious by ancient people.
A. care for
B. lay out
C. account for
D. set up
【单选题】
The school has ___ many after-class activity groups for the pupils to make their spare time more colorful.
A. set up
B. set off
C. set out
D. set down
【单选题】
When he was a small kid, he ___ from his peers because he could read fast and remember whatever he rea D.
A. showed off
B. worked out
C. stood out
D. straightened up
【单选题】
The fall in the number of deaths from heart disease is generally ___ improvements in diet.
A. put up with
B. attributed to
C. added to
D. replaced with
【单选题】
We can be partners for now, but ultimately you have to ___ to develop a new software for our project.
A. keep up
B. fire off
C. make sense
D. take the lead
【单选题】
Emotional Intelligence (情商) could be of practical use in many ___ such as how companies decide which job applicant to hire, how parents should raise their children, how schools should teach the students, and so on.
A. aspects
B. disciplines
C. structures
D. opportunities
【单选题】
The teacher should praise students for their correct answers and also suggest ___ possibilities.
A. unlimited
B. unique
C. alternative
D. essential
【单选题】
In some classrooms, desks are arranged in a U-shape, so the teacher can ___ easily with the students.
A. interrupt
B. interact
C. interpret
D. interview
【单选题】
Computer technology ___ individuals to educate themselves and adapt to a constantly changing job market.
A. lets
B. makes
C. enables
D. provides
【单选题】
Our hope for an enjoyable dinner was instantly ___ when the waiter dropped a salad plate on my hea D.
A. spoiled
B. restricted
C. exploded
D. vanished
【单选题】
___ the world has ever seen has occurred in the information and communications technologies.
A. Great a change
B. The great change
C. A greatest change
D. The greatest change
【单选题】
___ so many people around, it wasn’t convenient to have a long talk with him.
A. As
B. When
C. With
D. Since
【单选题】
Alice used to be terribly shy, but working abroad for a year has completely ___ her.
A. solved
B. transformed
C. characterized
D. regulated
【单选题】
Chinese Mandarin (普通话) is ___ for foreigners to learn because the changes in the tone will totally change the meaning of words.
A. difficult
B. accessible
C. competitive
D. easy
【单选题】
Take action on those things that will have the biggest ___ impact on your life with the least amount of effort.
A. portable
B. positive
C. sophisticated
D. moderate
【单选题】
The adoption of this measure will greatly reduce the ___ of greenhouse gas emissions (排放物), which may help slow global warming.
A. loan
B. decline
C. release
D. response
【单选题】
I think I have a healthy lifestyle. I eat a lot of fruit and vegetables, and I’m a ___ drinker.
A. moderate
B. heavy
C. gradual
D. delicate
【单选题】
In a way the human race needs to improve its mental and physical qualities if it is to deal with the more and more ___ world and meet new challenges.
A. typical
B. complex
C. rational
D. orderly
【单选题】
If a person simply does not care about this activity, it’s ___ impossible to get him to participate.
A. barely
B. seldom
C. hardly
D. practically
【单选题】
Sometimes, even when the mind ___ functioning, the body keeps on working normally.
A. ceases
B. arouses
C. regulates
D. specializes
【单选题】
Jeffery expressed his ___ about the health and fitness of his co-workers, but they said they didn’t want to “waste time” on an exercise bike or jogging.
A. agony
B. concern
C. addiction
D. feedback
【单选题】
Such chemicals are indeed negatively ___ those humans to whom they are expose D.
A. risking
B. detecting
C. impacting
D. overwhelming
【单选题】
We regret for selling you the faulty product, and our company has agreed to ___ you by $500.
A. match
B. reverse
C. reward
D. compensate
【单选题】
This lecture taught me how to manage my time better to include my online studies in my busy ___.
A. schedule
B. outline
C. structure
D. responsibility
【单选题】
Generally speaking, an Irish person will not accept an offer straight away; he will ___ once or twice first before accepting it.
A. receive
B. decline
C. summarize
D. polish
【单选题】
There is every possibility that many species (物种) of animals will die out because of their disappearing food ___.
A. mode
B. source
C. pattern
D. foundation
【单选题】
As a college student, you should enjoy learning and get yourself ___ in those things that interest you.
A. concerned
B. devoted
C. involved
D. pursued
【单选题】
The name of Hitler (希特勒) has always been associated with war and ___ killing in the minds of those people who lived through World War Two.
A. imaginary
B. multiple
C. indispensable
D. massive
推荐试题
【单选题】
当发电机刚开始运转时,励磁磁场是什么状态?___
A. 没有供电;
B. 励磁减小;
C. 励磁增加。
D.
【单选题】
当发动机发电机连在电网上,外电源在使用(EXTPWRON)灯亮是什么意思?___
A. 外电源向交流汇流条1和2供电;
B. 外电源接触器被控制闭合;
C. 外电源向交流/直流地面服务汇流条供电。
D.
【单选题】
当飞机速度大于()并且()交流主汇流条失电时,()给冲压空气涡轮的()通电,冲压空气涡轮自动放出。___
A. 100KT二个热电瓶汇流条1电磁线圈1;
B. 500KT二个热电瓶汇流条2电磁线圈2;
C. 100KT一个热电瓶汇流条2电磁线圈2。
D.
【单选题】
当交流主供电(ACESSFEED)按钮松出时(ALTN位),飞机电网的正常供电如何变化?___
A. 交流主汇流条由应急交流发电机供电;
B. 交流主汇流条由交流汇流条1供电;
C. 交流主汇流条由交流汇流条2供电。
D.
【单选题】
当探测到一个发电机故障时,会发生什么?___
A. 励磁磁场不再供电并且GCR跳开;
B. 励磁磁场仍然供电并且GCR保持闭合;
C. 励磁磁场增加并且GCR跳开。
D.
【单选题】
电源系统的系统、电路和部件大都使用一个由字母和数字组成的参考代码来识别,参考代码的第一个字母用来识别(),参考代码的第二个字母用来识别系统内的()。___
A. 电路部件;
B. 系统电路;
C. 电路系统。
D.
【单选题】
电源系统的系统、电路和部件大都使用一个由字母和数字组成的参考代码来识别,如果参考代码的第二个字母是M,表示这是一个()设备。___
【单选题】
发电机的控制和保护功能主要是由()提供的。___
A. 发电机控制继电器和发电机线路接触器;
B. 发电机线路接触器和电源准备继电器;
C. 发电机控制继电器和电源准备继电器。
D.
【单选题】
发动机发电机、APU发电机、应急发电机的功率分别是___
A. 90KVA90KVA5KVA;
B. 90KVA5KVA90KVA;
C. 5KVA90KVA90KVA。
D.
【单选题】
飞机在地面连接上地面电源车时,GPCU(地面电源控制组件)由谁供电?___
A. 地面电源车和直流电瓶汇流条;
B. 只由直流电瓶汇流条供电;
C. 只由地面电源车供电。
D.
【单选题】
机翼燃油泵的正常电源供电,()由交流汇流条1供电。___
A. 左泵1和右泵1;
B. 左泵2和右泵2;
C. 左泵2和右泵1。
D.
【单选题】
交流电连结(ACTRANSFER)电路向交流汇流条供电的优先权是:___
A. ①发电机1供给相应的交流电汇流条1,发电机2供给相应的交流电汇流条2;②外部电源(即使一台发动机的发电机已运转并向相应的汇流条供电);③只有一台发动机发电机;④APU发电机。
B. ①发电机1供给相应的交流电汇流条1,发电机2供给相应的交流电汇流条2;②APU发电机;③外部电源(即使一台发动机的发电机已运转并向相应的汇流条供电);④只有一台发动机发电机。
C. ①发电机1供给相应的交流电汇流条1,发电机2供给相应的交流电汇流条2;②外部电源(即使一台发动机的发电机已运转并向相应的汇流条供电);③APU发电机;④只有一台发动机发电机。
D.
【单选题】
交流连接(ACTRANSFER)允许交流汇流条?___
A. 并联;
B. 由任意发电机或外部电源供电;
C. 仅由APU发电机或外部电源供电。
D.
【单选题】
交流主汇流条正常由谁供电?___
A. 交流汇流条1;
B. 交流汇流条2;
C. 应急发电机。
D.
【单选题】
静变流机故障信号传送给哪一部计算机?___
A. 地面电源控制组件;
B. 发电机控制组件;
C. 电瓶充电限制器。
D.
【单选题】
哪一个设备控制电瓶接触器?___
A. 发电机控制组件(GCU);
B. 电瓶充电限制器(BCL);
C. 静变流机。
D.
【单选题】
如果()失电,上ECAM显示组件将无电,不再显示。___
A. 交流主汇流条;
B. 交流汇流条1;
C. 交流汇流条2。
D.
【单选题】
如果TR2故障,直流主汇流条由谁供电?___
A. TR1;
B. 主TR;
C. 2号电瓶。
D.
【单选题】
如果发生过载警告,将会发生什么?___
A. GCR和PR继电器仍然是通电的;
B. GCR和PR继电器断电;
C. GCR继电器仍然通电而PR继电器是断电的。
D.
【单选题】
如果机上所有的发电机都失效、冲压空气涡轮(RAT)放出、应急发电机可用,当起落架放下时,应急发电机(),()向主汇流条供电。___
A. 开始工作电瓶;
B. 开始工作静变流机;
C. 不再工作电瓶。
D.
【单选题】
如果两个BTC都打开会是什么情形?___
A. PU发电机向交流电汇流条1供电而外电源向交流电汇流条2供电;
B. APU发电机向交流电汇流条1供电而发电机2向交流电汇流条2供电;
C. 发电机1向交流电汇流条1供电而发电机2向交流电汇流条2供电。
D.
【单选题】
如果两个BTC都是闭合的,会是什么情形?___
A. 发电机1向交流电汇流条1供电而发电机2向交流电汇流条2供电;
B. APU发电机或者外电源或者一台发电机向交流电汇流条1和交流电汇流条2供电;
C. APU发电机向交流电汇流条1供电而外电源向交流电汇流条2供电。
D.
【单选题】
什么电源向主变压整流器(ESSTR)供电?___
A. 交流汇流条1或交流汇流条2;
B. 交流汇流条1和交流汇流条2;
C. 交流主汇流条或应急发电机。
D.
【单选题】
什么情况下,当发生过载,整个厨房网络自动卸荷?___
A. 空中两单台发电机供电;
B. 地面只有APU供电;
C. 地面只有外电源供电。
D.
【单选题】
什么情况下加油供电10分钟后自动切断?___
A. 加油汇流条由服务汇流条601PP供电;
B. 加油汇流条由电瓶热汇流条701PP供电;
C. A+B。
D.
【单选题】
什么时候电瓶故障(BATFAULT)灯亮?___
A. 当电瓶按钮松出时;
B. 当充电电流太高时;
C. 当电瓶过热或内部短路时。
D.
【单选题】
下列原因使用静变流机:___
A. APU起动(给燃油泵供电);
B. 冲压空气涡轮放出;
C. 用电瓶起动发动机(点火)。
D.
【单选题】
应急发电系统的操作测试结束后,()工作。___
A. 蓝泵自动停止;
B. 黄泵人工停止;
C. 黄泵人工停止。
D.
【单选题】
在地面,飞机未通电情况下(COLDAIRCRAFT),按压冲压空气涡轮或应急发电机人工打开(RAT&EMERGENMANON)按钮会使发生什么?___
A. 冲压空气涡轮放出来;
B. 什么也不会发生;
C. 应急发电机工作。
D.
【单选题】
在地面,无APU和无外电源时,要给整个厨房供电需()台组合驱动发电机工作。___
【单选题】
在空中,在单台发电机供电时,厨房的供电之和被限制在()KVA。___
【单选题】
在冷飞机状况(无交流和直流供电),电瓶电压在哪儿指示?___
A. 在ECAM上;
B. 在电源控制板上;
C. 没有指示。
D.
【单选题】
在只有单台发动机发电机供电时,厨房电源的()卸荷?___
A. 主电路;
B. 辅电路;
C. 主电路和辅电路。
D.
【单选题】
正常情况下,在飞行中,电瓶与电网是()的。___
【单选题】
直流电是由变压整流器1和变压整流器2(TR1和TR2)提供的,所有的变压整流器的最大输出为:___
A. 200A28V直流;
B. 180A28V直流;
C. 160A28V直流。
D.
【单选题】
飞机主电源是由提供___
A. 两台交流发电机并联供电
B. 两台交流发电机单独供电
C. 两台直流发电机单独供电
D. 两台直流发电机并联供电
【单选题】
IDG在空中脱开后如何复位___
A. 将IDG脱开按钮复位
B. 当发动机在运转时将其复位
C. 只能在地面复位发动机停车时复位
D. 只能在地面发动机运转的时候复位
【单选题】
发动机慢车后检查IDG油量,油液面在哪个area需要做滑油勤务___
【单选题】
APU发电机性能参数___
A. 90KVA,115V三相交流电,400HZ
B. 90KVA,115V单相交流电,400HZ
C. 5KVA,115V三相交流电,400HZ
D. 90KVA,115V三相交流电,50HZ