【单选题】
It can be concluded that ____________.___
A. raising the world's temperature only a few degrees would not do much harm to life on earth
B. lowering the world's temperature merely a few degrees would lead major farming areas to disaster
C. almost no temperature variations have occurred over the past decade
D. the world's temperature will remain constant in the years to come
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相关试题
【单选题】
This passage is primarily about __________.___
A. the greenhouse effect
B. the burning of fossil fuels
C. the potential effect of air pollution
D. the likelihood of a new ice age
【单选题】
What is the major function of paragraph 1?___
A. To arouse the reader's concern.
B. To introduce the theme of the whole passage.
C. To summarize the whole passage.
D. To state the primary uses of TV.
【单选题】
Television, as a source of entertainment, is ________.___
A. not very convenient
B. very expensive
C. quite dangerous
D. relatively cheap
【单选题】
Why are some people against TV?___
A. Because TV programs are not interesting.
B. Because TV viewers are totally passive.
C. Because TV prices are very high.
D. Because TV has both advantages and disadvantages.
【单选题】
One of the most obvious advantages of TV is that _________.___
A. it keeps us informed
B. it is very cheap
C. it enables us to have a rest
D. it controls our lives
【单选题】
According to the passage, whether TV is good or not depends on ___________.___
A. its quality
B. people's attitude towards it
C. how we use it
D. when we use it
【单选题】
What regulation was issued by New York State concerning beverage containers?___
A. A fee should be charged on used containers for recycling.
B. Throwaways should be collected by the state for recycling.
C. Consumers had to pay for beverage containers and could get their money back on returning them.
D. Beverage companies should be responsible for collecting and reusing discarded plastic soda bottles.
【单选题】
The returned plastic bottles in New York used to _____________.___
A. be turned into raw materials
B. be separated from other rubbish
C. have a second-life value
D. end up somewhere underground
【单选题】
The key problem in dealing with returned plastic beverage containers is ______________.___
A. how to reduce their recycling costs
B. to sell them at a profitable price
C. how to turn them into useful things
D. to lower the prices for used materials
【单选题】
Recycling has become the first choice for the disposal of rubbish because ______________.___
A. recycling causes little pollution
B. other methods are more expensive
C. recycling has great appeal for the jobless
D. local governments find it easy to manage
【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
【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
推荐试题
【单选题】
外油箱向内油箱输油是___
A. 传输信号由液面最低的内油箱触发,分别按需向两侧内油箱传输
B. 传输信号由液面最低的内油箱触发,同时向两侧内油箱传输
C. 不管油面的高度如何,同时向左右内油箱传输
D. 可由机组控制分别单独向左或向右内侧油箱传输
【单选题】
燃油配平可通过人工控制的是___
A. 向前和向后配平
B. 只有向前配平
C. 只有向后配平
D. 向前和向后都不可
【单选题】
抛油活门如何控制___
A. 按压头顶面板上的JETTISON电门
B. 按压头顶面板上的ARM和JETTISON电门
C. 由FMGEC自动控制
D. 由FCMC自动控制
【单选题】
FCMC和油量探头的连接是___
A. 每个FCMC和对应的一组探头连接,但可接收所有的探头数据
B. 每个FCMC都和所有 的 探头连接
C. 每个FCMC控制一半的探头 数据
D. 每个FCMC通过SDAC和相应的一组探头连接,但可接收全部探头的数据
【单选题】
下列哪种情况下APU后泵工作 ___
A. 飞机在地面，高度低于FL250
B. 飞机爬升，下降和着陆时
C. 飞机高度大于FL250，配平油箱有油时
D. 飞机在地面时，仅在配平油箱加油时才会
【单选题】
正常情况下，飞行过程中会发生几次向配平油箱传输燃油（向后传输）？___
【单选题】
FCMC在进行重心控制时，哪个计算机对重心进行监控？___
A. ADIRU
B. LGCIU
C. FWC
D. FMGEC
【单选题】
燃油通风管路上的浮子活门作用是什么？___
A. 防止空气进入油箱
B. 防止飞机姿态改变时燃油进入通风管路
C. 加油时让燃油流过以进入通风油箱
D. 让进入到通风管路内的燃油流回到油箱内
【单选题】
中央油箱内有燃油时，燃油向前配平经过的活门有___
A. trim tank ISOL.V.
B. trim tank ISOL.V.和center tank inlet V.
C. trim tank ISOL.V.和AUX.FWD XFR V.
D. trim tank ISOL.V和trim pipe ISOL V.和center tank inlet V.
【单选题】
油箱加油隔离活门如何打开___
A. 按压一次人工控制电门
B. 打开加油面板并对活门施加油压
C. 对活门电磁线圈供电并施加油压
D. 对活门电磁线圈供电
【单选题】
surge tank的作用有___
A. 提供额外的油箱空间
B. 通气
C. 2%的油箱溢流空间
D. 用于油箱通气和提供2%溢油空间
【单选题】
由FCMC来计量燃油需要的传感器有___
A. FQI，M.M.I
B. FQI和温度传感器
C. FQI,密度计,补偿器
D. FQI,密度计
【单选题】
2个中央油箱油泵电门ON时,中央油泵的工作状态是:___
A. 中央油箱2个泵一直工作,需要人工关断
B. 在泵的输出压力低于6PSI时,泵会自动停止工作
C. 中央油箱低油面传感器变干后,泵会自动停止工作
D. B,C都对
【单选题】
下列何种条件可以使地面加/放油面板990VU控制电路通电___
A. 飞机AC BUS通电
B. 高油面传感器测试电门按压
C. 990VU接近面板上的微动电门作动
D. 飞机电瓶电门接通
【单选题】
配平油箱T-TANK的作用是___
A. 增加额外的载油量
B. 增加额外的载油量并用于飞机的升力控制
C. 用于飞机的重心控制
D. 飞机的起飞阶段对发动机供油
【单选题】
配平油箱油泵可以工作要满足 ___
A. 高度>FL255,L/G 和S/F收上,油量高于低油面
B. 在地面
C. 仅FCMC控制
D. 仅人工控制
【单选题】
拆燃油泵需不需要放油___
A. 需要，里面有单向活门
B. 不需要，有个
C. 需要
D. 不需要，有个单向活门
【单选题】
什么时候当配平油箱低油量被探测，隔离活门仍然打开___
A. 配平油箱选择电门设在OPEN
B. 飞机下降时FCMC自动命令
C. 前XFR人工P/B被选择
D. AUX XTF
【单选题】
在最后内侧油箱开始供油，飞机CG向后移，将发生什么___
A. 外侧向内侧传输开始
B. CG保持接近在后极限位
C. 前传输开始
D.
【单选题】
燃油控制和监控由何种计算机实现___
A. FQIC和CMC
B. FCMC
C. FWC
D. FMGEC
【单选题】
驾驶舱头顶燃油配平人工控制电门的功用是___
A. 向前和向后串油
B. 只有向前串油
C. 只有向后串油
D. 向前和向后都不可实现
【单选题】
驾驶舱头顶261VU面板上FCMC1跳开关作用是___
A. 对FCMC1计算机重新启动
B. 拔出后可拆下FCMC1计算机
C. 拔出后按下可以是FCMC1和FCMC2转换对燃油系统控制
D. 拔出后可切断FCMC1的电源
【单选题】
绿系统发动机驱动泵（EDP）位于___
A. 1号发动机
B. 2号发动机
C. 1，2发动机
D. 冲压涡轮RAT
【单选题】
应急恒速液压发电机的驱动液压源是___
A. 绿系统液压
B. 黄系统液压
C. 蓝系统液压
D. 绿黄系统 液压
【单选题】
黄系统在地面自动工作的条件是___
A. 货舱门打开的过程中
B. 起落架舱门收上的过程中
C. 仅在2发工作的过程中
D. 在地面黄系统不能自动工作
【单选题】
绿系统勤务面板位于那里？___
A. 右主轮舱前方
B. 右主轮舱后方
C. 左主轮舱前方
D. 左主轮舱后方
【单选题】
冲压涡轮（RAT）位于那里？___
A. 右主轮舱前方
B. 右主轮舱后方
C. 左主轮舱前方
D. 右大翼4号襟翼整流罩内
【单选题】
液压储压器预充压力是：___
A. 3000PSI
B. 1885PSI左右
C. 低于3000PSI的任意值
D. 没有必要预充
【单选题】
优先活门在什么情况下使用？___
A. 绿系统压力高时
B. 压力低时
C. 绿和黄系统压力高时
D. 驾驶舱人工操作时
【单选题】
在什么情况下，冲压空气涡轮自动放出：___
A. 绿黄系统油箱低油量且速度大于100节
B. 蓝电动泵故障
C. 只能人工放出
D. 蓝泵供压低于1ATA750PSI
【单选题】
正常使用中，蓝液压系统由谁供压？___
A. 动力转换组件
B. 发动机驱动泵
C. 电动泵
D. 冲压空气涡轮
【单选题】
冲压空气涡轮在何时收起：___
A. 飞行中
B. 地面
C. 地面和飞行中
D. 自动收起
【单选题】
二号发动机驱动：___
A. 蓝系统
B. 绿系统
C. 黄系统泵和绿系统
D. 蓝系统和绿系统
【单选题】
防火关断活门关断：___
A. 蓝和黄系统
B. 黄和绿系统
C. 绿和蓝系统
D. 绿,蓝和黄系统
【单选题】
壳体回油滤的作用___
A. 壳体回油到油箱前除去油液中的杂质
B. 检查液压泵的状况
C. A和B
D. 以上说法都不对
【单选题】
正常 情况下，左右发反喷使用的液压源是___
A. 左右发同时使用绿系统液压
B. 左右发分别使用绿黄系统液压
C. 左右发分别使用蓝黄系统液压
D. 左右发分别使用绿蓝系统液压
【单选题】
所有液压油箱加油是通过___
A. 绿系统液压勤务面板
B. 黄系统液压勤务面板
C. 蓝系统液压勤务面板
D. 各自的系统液压勤务面板
【单选题】
液压系统的防火关断活门控制是在___
A. 驾驶舱液压控制面板
B. 驾驶舱火警控制面板
C. 地面液压控制面板
D. 地面电源控制面板
【单选题】
液压系统的优先活门可以___
A. 地面进行系统渗漏检查
B. 关断主飞行控制油路
C. 关断次飞行控制油路
D. 关断大流量用户的油路
