【单选题】
It can be concluded from the passage that ____________.___
A. recycling is to be recommended both economically and environmentally
B. local governments in the U.S. can expect big profits from recycling
C. rubbish is a potential remedy for the shortage of raw materials
D. landfills will still be widely used for waste disposal
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相关试题
【单选题】
The author chose to study engineering at a small liberal-arts university because he ________.___
A. intended to be a sensible student with noble ideals
B. wanted to be an example of practicality and rationality
C. intended to be a combination of engineer and humanist
D. wanted to coordinate engineering with liberal-arts courses in college
【单选题】
According to the author, by interacting with people who study liberal arts, engineering students can __________.___
A. broaden their horizons
B. receive guidance in their careers
C. become noble idealists
D. balance engineering and the liberal arts
【单选题】
In the eyes of the author, a successful engineering student is expected ______________.___
A. to be imaginative with a value system to guide him
B. to be a technical genius with a wide vision
C. to have an excellent academic record
D. to be wise and mature
【单选题】
The author's experience shows that he was ________.___
A. creative
B. ambitious
C. irrational
D. unrealistic
【单选题】
The underlined word "they" in "... together they threaten to confuse." (Para.5) refers to ____________.___
A. practicality and rationality
B. engineering and the liberal arts
C. reality and noble ideals
D. flexibility and a value system
【单选题】
It can be learned from the passage that the Ouchidas' house __________.___
A. failed to meet energy conservation standards
B. was designed and constructed in a scientific way
C. is well worth the money spent on its construction
D. is almost faultless from the point of energy conservation
【单选题】
What made the Ouchidas' new house a horrible dream?___
A. Lack of fresh air.
B. Gas leakage in the kitchen.
C. The newly painted walls.
D. Poor quality of building materials.
【单选题】
The underlined word "accentuate" (Para. 3) most probably means "________".___
A. worsen
B. accelerate
C. relieve
D. improve
【单选题】
Why were cracks in old houses not a big concern?___
A. Because environmental protection was given top priority.
B. Because indoor cleanness was not emphasized.
C. Because they were technically unavoidable.
D. Because energy used to be inexpensive.
【单选题】
This passage is most probably taken from an article entitled "_________".___
A. Energy Conservation
B. Air Pollution Indoors
C. House Building Crisis
D. Traps in Building Construction
【单选题】
We need to plan ahead in order to ___________.___
A. keep a record of all the events
B. better organize our activities
C. store everything in our head
D. pile up little tasks neatly
【单选题】
Strategic times are best for us to ___________.___
A. save energy
B. check e-mails
C. study efficiently
D. organize activities
【单选题】
Which of the following could be used as a motivation to do our assignments?___
A. Remembering our urgent tasks.
B. Any activities we're eager to do.
C. Taking a break in the afternoon.
D. The promise to study efficiently.
【单选题】
What can help us to keep refreshed throughout the day?___
A. Doing some physical exercise.
B. Taking a short nap in the afternoon.
C. Rushing through some assignments.
D. Playing a game of chess with a friend.
【单选题】
Which of the following could be the best title for this article?___
A. Study Habits and Time Management
B. Business Management and Leadership
C. University Education and Campus Life
D. Life Goals and Academic Development
【单选题】
It is implied in the text that it is hard to ________.___
A. carry life learning though
B. tell the nature of life learning
C. learn without going to school
D. find a specially trained teacher
【单选题】
According to the author, the schooling framework often ________.___
A. produces slow students with poor memories
B. ignores some parts of the official curriculum
C. fails to provide enough knowledge about life
D. gives little care to the quality of teaching materials
【单选题】
Life learners recognize that learning will not be difficult if they are _________.___
A. clear about why to learn
B. careful to make a time table
C. able to respect other people
D. cautious about any mistakes
【单选题】
According to the author, life learning ________.___
A. could prevent one from running risks
B. could be a road full of trials and errors
C. makes a kid independent of his parents
D. teaches a kid how to avoid being scorned
【单选题】
Through life learning, children ________.___
A. will grow without the assistance from parents
B. will learn to communicate with the real world
C. will be driven to learn necessary life knowledge
D. will be isolated from the negative side of society
【单选题】
A good title for this passage is __________.___
A. Sleep
B. Good Health
C. Dreams
D. Work and Rest
【单选题】
The word drowsy in the last paragraph means __________.___
A. sick
B. stand up
C. asleep
D. a little sleepy
【单选题】
This passage suggests that not getting enough sleep might make you ___________.___
A. dream more often
B. have poor health
C. nervous
D. breathe quickly
【单选题】
During REM, ___________ .___
A. your eyes move quickly
B. you dream
C. you are restless
D. both A and B
【单选题】
The average number of hours of sleep that an adult needs is __________.___
A. approximately six hours
B. around ten hours
C. about eight hours
D. not stated here
【填空题】
4、Sjogren syndrome___
【填空题】
2、唇腭裂治疗的新概念是___，即___。常包括以下医师：___及___、___、___。
【填空题】
3、颌面部外伤后易出现两类窒息：阻塞性窒息和___、阻塞性窒息常见于三种情况：___、___、___。
推荐试题
【单选题】
340.(A320)以下哪句话是不正确的：___
A. A.引气隔离valve上装有两个马达，一个是用于BMC的自动控制模式，一个是用于人工选择电门控制模式
B. B.引气隔离valve只有开和关两个位置
C. C.当没有电源提供到飞机上时，引气隔离valve将会被弹簧加载到关闭位
D. D.引气隔离valve可以被人工超控
【单选题】
341.(A320)以下哪句话是正确的：___
A. A.驾驶舱里的发动机引气控制电门的开关控制信号是直接给到HPV和PRV上，让他们关断的。
B. B.人工或者BMC通过直接控制TLT从而控制PRV的关闭，且当PRV关闭后，HPV也肯定关闭
C. C.HPV关闭后，PRV也肯定关闭
D. D.HPV的关断控制和PRV的关断是没有任何关系的
【单选题】
342.(A320)以下哪句话是正确的：___
A. A.当超温和超压保护性关断发动机引气时，是由BMC直接给信号给PRV和HPV，使得发动机引气关断
B. B.当人工关断发动机引气时，是由发动机引气控制电门直接给信号给PRV和HPV，使得发动机引气关断
C. C.当TLT控制PRV关断时，HPV也将同时关断
D. D.当TLT控制PRV关断时，HPV不随着PRV的关断而关断
【单选题】
343.(A320)以下哪句话是正确的：___
A. A.地面气源是直接接到左气源系统上
B. B.地面气源是直接接到右气源系统上
C. C.地面气源如果要接到右气源系统必须要将引气隔离valve接通
D. D.A和C
【单选题】
344.(A320)以下哪些valve是弹簧加载在开位的___
A. A.PRV
B. B.OPV
C. C.FAV
D. D.B和C
【单选题】
345.(A320)以下哪种情况存在时，APU引气将接不通___
A. A.当左发引气管路有渗漏的情况下
B. B.当APU的转速小于95％时
C. C.当APU系统存在引气关断的故障条件时
D. D.以上都对
【单选题】
346.(A320)以下哪种说法是不正确的：___
A. A.大翼前缘通气系统的冲压空气进气口是安装在1＃和2＃襟翼滑轨之间
B. B.大翼前缘通气系统中和冲压进气口相连的piccolo管路是安装在大翼和吊架之间的引气管路的上方
C. C.大翼前缘通气系统是受BMC的监控和控制的
D. D.在飞行过程中，空气是通过冲压进气口进入到piccolo管路，从而再分配到大翼前缘的
【单选题】
347.(A320)以下哪种说法是不正确的：___
A. A.当气源系统有故障时，必须人工选择ECAM控制面板上的BLEED才能在下ECAM显示器上看到引气系统页面
B. B.当气源系统有故障时，引气系统页面会自动地在下ECAM页面显示出来
C. C.出现在下ECAM页面上的引气系统页面能显示valve的位置，引气的温度和压力等参数
D. D.引气系统的压力不仅仅只出现在引气系统的页面上
【单选题】
348.(A320)以下哪种说法是正确的：___
A. A.OPV是一种气控气动的valve
B. B.OPV是电控气动的valve
C. C.OPV不能在驾驶舱被人工控制
D. D.A和C
【单选题】
349.(A320)以下哪种说法是正确的：___
A. A.BMC参与调节引气的压力与温度
B. B.两个BMC是完全独立的，互相之间是没有交联的
C. C.BMC可以关断发动机引气系统
D. D.BMC安装在主电子舱内
【单选题】
350.(A320)以下哪种说法是正确的：___
A. A.只要APU引气，两台发动机的引气就接不通
B. B.当APU引气时，如果引气隔离valve是关断的，那么只有左发引气接不通；如果引气隔离valve是打开的，那么两台发动机引气都接不通
C. C.只要发动机引气，APU引气就就接不通
D. D.当右发引气时，如果引气隔离valve是关断的，APU引气就能接通；而当引气隔离valve是打开时，无论哪一台发动机引气，那么APU引气都接不通
【单选题】
351.(A320)以下那些情况可以使PRV自动关断：1）预冷器下游有超温现象发生2）PRV下游有超压现象发生3）在发动机吊架，大翼或机身引气管路周围area有过热现象发生4）APU引气隔离valve没有关断5）相应的发动机起动valve没有关闭。___
A. A.1）2）
B. B.1）2）3）5）
C. C.1）2）5）
D. D.全部都可以使得PRV自动关断
【单选题】
352.(A320)引气隔离valve是属于哪一种valve？___
A. A.电控气动valve
B. B.电控电动valve
C. C.气控电动valve
D. D.气控气动valve
【单选题】
353.(A320)引气交输valve有两个马达：___
A. A.一个用于自动方式，另一个用于人工方式
B. B.两个用于自动方式
C. C.两个用于人工方式
D. D.一个是交流马达，一个是直流马达
【单选题】
354.(A320)预冷器中的冷却气源来自于：___
A. A.发动机高压7级和10级的引气
B. B.发动机高压6级和8级的引气
C. C.外界大气
D. D.风扇引气
【单选题】
355.(A320)在PRV不工作的情况下，PRV处于：___
A. A.弹簧加载在关位
B. B.弹簧加载在开位
C. C.弹簧加载在半开位
D. D.以上都不是
【单选题】
356.(A320)在什么地方可能看到引气系统各参数的详细情况___
A. A.通过按压在ECAM控制面板上的BLEED按钮，在下ECAM显示器上
B. B.通过按压在ECAM控制面板上的ENG按钮，在下ECAM显示器上
C. C.在上ECAM显示器上
D. D.在MCDU上
【单选题】
357.(A320)在正常情况下，HPV控制下游的引气压力到（）psi？___
A. A.10psi
B. B.36psi
C. C.55psi
D. D.70psi
【单选题】
358.(A320)在正常情况下，当发动机在慢车功率时，发动机的引气压力由什么来调节？___
A. A.HPV
B. B.PRV
C. C.OPV
D. D.TLT
【单选题】
360.(A320)转换压力传感器（Pt）会将感应到的压力值送到BMC，该传感器所起的作用是：___
A. A.用于故障监控
B. B.用于超压警告和关断
C. C.用于在ECAM的压力指示
D. D.以上都对
【单选题】
361.(A320)转换压力传感器（Pt）是装在：___
A. A.PRV的下游
B. B.HPV的上游
C. C.HPV的下游
D. D.5级引气单向valve的上游
【单选题】
363.(A320)APU引气隔离valve是：___
A. A.它不能进行调节，只有开和关两个位置
B. B.它能够进行调节
C. C.它不能在驾驶舱控制
D. D.当发动机引气时，它就自动关闭
【单选题】
364.(A320)BMC与以下哪些计算机有交联：___
A. A.SDAC
B. B.CFDIU
C. C.EIU
D. D.以上都有
【单选题】
365.(A320)HPV在不工作的情况下，是处于：___
A. A.弹簧加载在开位
B. B.弹簧加载在关位
C. C.弹簧加载在半开位
D. D.以上都不是
【单选题】
366.(A320)HPV属于哪一类型的valve___
A. A.电控气动valve
B. B.气控电动valve
C. C.气控气动valve
D. D.电控电动valve
【单选题】
367.(A320)OPV在正常情况下是：___
A. A.弹簧加载在关位
B. B.弹簧加载在开位
C. C.弹簧加载在半开位
D. D.由驾驶舱的发动机引气控制电门控制，电门在什么位置，valve就在什么位置
【单选题】
368.(A320)PRV调节下游压力在多大范围内：___
A. A.20+/-2psi
B. B.35+/-2psi
C. C.44+/-2psi
D. D.55+/-2psi
【单选题】
369.(A320)PRV在飞机的什么位置？___
A. A.在发动机的吊架里
B. B.在发动机的风扇包皮内
C. C.在C函道内10点钟位
D. D.在大翼内侧前缘里
【单选题】
370.(A320)PRV属于哪一类型的valve___
A. A.气控气动valve
B. B.电控气动valve
C. C.电控电动valve
D. D.气控电动valve
【单选题】
371.(A320)TLT的基本功能是：___
A. A.用于发动机引气的温度限制
B. B.电气关断功能
C. C.感受反流
D. D.以上都是
【单选题】
372.(A320)大翼前缘通气系统的作用是什么？___
A. A.清除集聚在大翼前缘的燃油蒸气
B. B.使得大翼前缘的温度保持在安全的范围内
C. C.使得大翼前缘的压力保持在安全的范围内
D. D.A和B
【单选题】
373.(A320)当BMC监控到左边area的引气管路有渗漏时，以下哪些valve会关断：1）左发PRV2）左大翼防冰valve3）APU引气隔离valve4）引气隔离valve（如果电门选择在AUTO位时）___
A. A.1）
B. B.1）3）
C. C.3）4）
D. D.全部都会关断
【单选题】
374.(A320)当大翼前缘的引气管路或者防冰管路爆裂了，导致大翼前缘area的压力升高，这时能快速释放掉该area压力的装置是：___
A. A.是装在大翼前缘的压力释放接近面板
B. B.是大翼前缘的通气口
C. C.是装在大翼前缘的通气valve
D. D.是大翼前缘的接近面板的安装接缝
【单选题】
375.(A320)当地面气源没有接到飞机上时，以下哪个valve是防止管路中的引气从地面气源接头漏到机外？___
A. A.OPV
B. B.地面气源接头上的一个单向valve
C. C.PRV
D. D.HPV
【单选题】
376.(A320)当吊舱温度达到450摄氏度时，是什么来控制FAV的关闭：___
A. A.TCT
B. B.TLT
C. C.FAVvalve体上的一个热容栓
D. D.BMC
【单选题】
377.(A320)当发动机和APU工作，且APU引气valve选择在ON位时，正确的陈述为：___
A. A.发动机引气valve关，交输引气valve关，APU引气valve开
B. B.发动机引气valve开，交输引气valve开，APU引气valve关
C. C.发动机引气valve关，交输引气valve开，APU引气valve开
D. D.发动机引气valve开，交输引气valve关，APU引气valve开
【单选题】
378.(A320)当发动机引气有超压现象发生，导致了OPV关断，如何才能使得OPV再重新打开？___
A. A.当OPV上游的压力下降到35psi时，OPV就会打开
B. B.BMC感受到OPV上游压力下降到35psi时，BMC指令OPV打开
C. C.需要在地面才能复位
D. D.在驾驶舱按压复位电门
【单选题】
379.(A320)当发动机引气有反流现象发生时，是由（）来感受有反流现象。___
A. A.PRV
B. B.TLT
C. C.管路压力传感器
D. D.TCT
【单选题】
380.(A320)当发动机引气有过热现象发生时，是由（）发指令，让PRV自动关断？___
A. A.EEC
B. B.只能由人工关断
C. C.TCT
D. D.BMC
【单选题】
381.(A320)当发动机在高功率时，发动机引气是从发动机的哪一级引气？___
A. A.7级
B. B.10级
C. C.7级和10级
D. D.以上都不是
