【单选题】
— Five days ___ too long for me to wait.
A. was
B. were
C. is
D. are
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相关试题
【单选题】
You had better ___ a doctor as soon as possible.
A. seeing
B. saw
C. see
D. seen
【单选题】
The boy is not happy at the new school. He has ___ friends there.
A. few
B. a few
C. little
D. a little
【单选题】
I fell and hurt myself while I ___ basketball yesterday.
A. was playing
B. am playing
C. play
D. played
【单选题】
Tom ___ more than twenty pounds on the novel.
A. spent
B. paid
C. cost
D. took
【单选题】
Don't forget ____ the window before leaving the room.
A. to have closed
B. to close
C. having closed
D. closing
【单选题】
Twenty people were___ wounded in the air crash.
A. quickly
B. wrongly
C. bitterly
D. seriously
【单选题】
The top of the Great Wall is ___ for five horses to go side by side.
A. wide
B. so wide
C. wide enough
D. enough wide
【单选题】
We’ve missed the last bus. I'm afraid we have no ___but to take a taxi.
A. way
B. choice
C. possibility
D. selection
【单选题】
Nancy is considered to be ____ the other students in her class.
A. less intelligent
B. the most intelligent
C. intelligent as well
D. as intelligent as
【单选题】
It's _____ that he was wrong.
A. clearly
B. clarity
C. clear
D. clearing
【单选题】
There ____ a book and some magazines on the desk.
A. is
B. be
C. have
D. has
【单选题】
She is not only my classmate _____ also my good friend.
A. or
B. but
C. and
D. too
【单选题】
He asked the waiter ___ the bill.
A. on
B. of
C. for
D. after
【单选题】
_____ you are leaving tomorrow, we can have dinner together tonight.
A. Since
B. While
C. For
D. Before
【单选题】
I would like to do the job ___ you don't force me to study.
A. in case
B. although
C. though
D. as long as
【单选题】
The reason I did not go abroad was ___ a job in my home town.
A. because
B. due to
C. that I got
D. because of getting
【单选题】
_____ she survived the accident is miracle.
A. What
B. That
C. As
D. Which
【单选题】
I often see ____ the road on his way home.
A. he cross
B. him cross
C. him crossed
D. he crossing
【单选题】
His mother _______ alone since his father died.
A. lived
B. lives
C. has lived
D. is living
【单选题】
The workers are busy _____ models for the exhibition.
A. to make
B. with making
C. being making
D. making
【单选题】
It was well known that Thomas Edison _______ the electric lamp.
A. discovered
B. invented
C. found
D. developed
【单选题】
She wonders ____ will happen to her private life in the future.
A. that
B. it
C. this
D. what
【单选题】
The higher the temperature, _____ the liquid evaporates.
A. the faster
B. the more fast
C. the slower
D. the more slower
【单选题】
Australia is one of the few countries ______ people drive on the left of the road.
A. which
B. that
C. where
D. on which
【单选题】
Sunday is the day ____ people usually don't go to work.
A. when
B. which
C. in which
D. that
【单选题】
____ you know, David has been well lately.
A. Which
B. As
C. What
D. When
【单选题】
The harder you study, _____ you will learn.
A. much
B. many
C. the more
D. much more
【单选题】
They got there an hour _____ than the others.
A. early
B. much early
C. more early
D. earlier
【单选题】
The grey building is the place where the workers live, and the white building is the place where the spare parts ____ .
A. are producing
B. are produced
C. produced
D. being produced
【单选题】
Once environmental damage ______, it takes many years for the system to recover.
A. is to do
B. does
C. had done
D. is done
【单选题】
We worked hard and completed the task ___.
A. in the time
B. on the time
C. ahead of time
D. before time
【单选题】
I didn't expect you to turn _____ at the meeting yesterday.
A. up
B. to
C. out
D. over
【单选题】
I like the teacher _______ classes are very interesting and creative.
A. which
B. who
C. whose
D. what
【单选题】
When Lily came home at 5 p. m. yesterday, her mother ______ dinner in the kitchen.
A. cooked
B. was cooking
C. cooks
D. has cooked
【单选题】
I don’t know the park, but it's _____ to be quite beautiful.
A. said
B. told
C. spoken
D. talked
【单选题】
Mike is better than Peter ____. swimming.
【单选题】
The young lady coming over to us ______ our English teacher; the way she walks tells us that!
A. must be
B. can be
C. would be
D. could be
【单选题】
Eggs, though rich in nourishments, have ______ of fat.
A. a large number
B. the large number
C. a large amount
D. the large amount
【单选题】
Neither John ______his father was able to wake up early enough to catch the morning train.
A. nor
B. or
C. but
D. and
【单选题】
Jane's dress is similar in design ______ her sister's.
A. like
B. with
C. to
D. as
推荐试题
【单选题】
(B737ng)737NG起到减轻起动机负载的部件是：___
A. BSV
B. LPTACC
C. TBC
D. VBV
【单选题】
(B737ng)737NG取消了737-345的5级起动引气活门，它的功能由737NG的什么部件提供___
A. BSV
B. LPTACC
C. TBC
D. VBV
【单选题】
(B737ng)发动机系统的PS3感受的是：___
A. LPC出口的压力
B. LPC 进口的压力
C. LPC第三级出口的压力
D. HPC第九级的出口压力
【单选题】
(B737ng)可变放气活门(VBV)的作用是: ___
A. A． 调节低压压气机的进口压力使一部分主涵道气流到次涵道
B. B． 防止发动机喘振使一部分主涵道气流在进入高压压气机前到次涵道
C. C． 提高压气机工作效率使一部分次涵道气流到主涵道
D. D． 调节压气机的工作温度,防止其超温
【单选题】
(B737ng)南航波音737-800发动机次级气流将产生多少的推力（占总推力的％）?___
A. 90％
B. 80％
C. 70％
D. 60％
【单选题】
(B737ng)涡轮间隙控制系统包括：___
A. HPTACC,LPTACC,BSV
B. LPTACC,VSV,HPTACC
C. HPTACC,VBV,LPTACC
D. HPTACC,LPTACC,TBV
【单选题】
(B737ng)EEC无法探知BSV活门的时候，BSV活门:___
A. 中间位，油压自动控制
B. 发动机将停车
C. 打开位
D. 关上位，此时弹簧加载在关位
【单选题】
(B737ng)ENG VALVE CLOSED 指哪个活门？___
A. HMV
B. PRSOV
C. HPSOV
D. spar valve
【单选题】
(B737ng)HPTACC的作用是:___
A. 控制HPT叶尖间隙到最大，以提高燃油效率
B. 控制HPT叶尖间隙到最小，以提高燃油效率
C. 控制HPT叶尖间隙到最小，以防止喘振
D. 控制HPT叶尖间隙到最小，以防止失速
【单选题】
(B737ng)HPTACC的作用是使:___
A. HPC里的气流畅通，防止失速
B. HPT里的气流畅通，防止失速
C. 控制HPT的叶尖和机匣的距离
D. 控制HPC的叶尖和机匣的距离
【单选题】
(B737ng)HPTACC在什么模式W为失效安全模式___
A. 全4级模式
B. 无气流模式
C. 高流量9级模式
D. 混合模式
【单选题】
(B737ng)HPTACC在什么模式下时是一种失效安全模式___
A. 无气流模式
B. 高流量9级模式
C. 混合模式
D. 全4级模式
【单选题】
(B737ng)HPTACC在什么模式下叶尖间隙最大？___
A. 无气流模式
B. 高流量9级模式
C. 混合模式
D. 全4级模式
【单选题】
(B737ng)HPTACC在什么模式下叶尖间隙最小？___
A. 无气流模式
B. 高流量9级模式
C. 混合模式
D. 全4级模式
【单选题】
(B737ng)VSV控制着HPC的___
A. 1，2，3，4级
B. IGV,1,2,3级
C. IGV,2,3,4级
D. 1，2，3级
【单选题】
(B737ng)飞机处于起飞阶段,高压涡轮间隙控制系统的冷却气流来自___
A. A.HPC5th
B. B.HPC9th
C. C.HPC5th和9th
D. D.由定时器控制冷却气流
【单选题】
(B737ng)可变放气活门(VBV)___
A. A.由两个液压马达驱动12个放气活门
B. B.在反推作动和快减速时,处于完全打开位
C. C.由位于其主作动器上的RVDT提供反馈信号到MEC
D. D.可以使一部分风扇气流进入高压压气机,防止发动机喘振
【单选题】
(B737ng)可变静子叶片(VSV)___
A. A.由低压压气机的进口导向叶片和1,2,3级静子叶片构成
B. B.根据VBV的位置反馈信号改变其作动角度
C. C.随着发动机功率的增加逐渐趋于全开位
D. D.仅在起动发动机时作动帮助卸载HPC
【单选题】
(B737ng)哪几级HPC由VSV控制着___
A. 1，2，3，4级
B. IGV,1,2,3级
C. IGV,2,3,4级
D. 1，2，3级
【单选题】
(B737ng)涡轮间隙控制系统组成：___
A. HPTACC,LPTACC,TBV
B. HPTACC,LPTACC,BSV
C. LPTACC,VSV,HPTACC
D. HPTACC,VBV,LPTACC
【单选题】
(B737ng)有关JTSD-17A发动机引气说法正确的是：___
A. A．低转这时用8级引气，高转这时用13级引气
B. B．低转速时用13级引气，高转速时用8级引气
C. C．使用13级或8级引气，由压力调节器控制
D. D．使用13级或8级引气，由引气压力传感器控制
【单选题】
(B737ng)在EEC无法探知BSV活门的时候，BSV活门将在:___
A. 打开位
B. 关上位，此时弹簧加载在关位
C. 中间位，油压自动控制
D. 发动机将停车
【单选题】
(B737ng)正常情况下，波音737NG发动机的点火导线是靠什么冷却的：___
A. HPC 排气
B. 外界的冲压气
C. 低压压缩机排气
D. 油冷
【单选题】
(B737ng)控制发动机工作的输入的方法是：___
A. 人工
B. 自动
C. A&B对
D. A&B错
【单选题】
(B737ng)油门杆解调器及自动油门机构装在哪里：___
A. 主电子舱
B. 前电子舱
C. 前货舱
D. 后货舱
【单选题】
(B737ng)737NG的自动油门控制马达和737-345差异在哪里___
A. 没有差异
B. 安装位置不同737NG装在主电子舱
C. 737NG取消了钢索联动，直接用齿轮和连杆带动
D. B&C对
【单选题】
(B737ng)发动机前推手柄作动如何防止反推作动？___
A. 位于推力控制鼓轮机构内的反推内锁机构
B. 位于前推手柄和反推手柄之间的互锁机构
C. 位于中央操纵台内的卡槽限动机构
D. 位于HMU内的功率作动连杆上的止动钉
【单选题】
(B737ng)关于737NG的自动油门控制马达说法正确的是：___
A. 装在前货舱
B. 装在主电子舱
C. 没有钢索联动，直接用齿轮和连杆带动
D. B&C对
【单选题】
(B737ng)关于发动机油门杆解调器说法正确的是：___
A. 把油门杆的机械位置信号，转换为模拟的角度电信号送给EEC
B. 把油门杆的机械位置信号，转换为模拟的角度电信号送给HMU
C. 接受HMU的机械位置信号，反馈给EEC
D. 接受HMU的机械位置信号，反馈给MEC
【单选题】
(B737ng)哪一个部件防止方推放出时前推油门杆：___
A. 位于前推手柄和反推手柄之间的互锁机构
B. 发推内锁电磁线圈
C. 位于中央操纵台内的卡槽限动机构
D. 位于HMU内的功率作动连杆上的止动钉
【单选题】
(B737ng)737NG的发推部分和737-345有何不同___
A. P5发动机面板增加了ENGINE CONTROL 灯
B. 反推活门控制活门组件安装位置
C. 反推同步锁的位置传感器
D. 以上都对
【单选题】
(B737ng)737NG的涡轮间隙控制和737-3/4/500差异在___
A. 737-345可以控制高压涡轮，但低压涡轮只有冷却
B. 737NG可以控制高压及低压涡轮
C. 737-345可以控制高压及低压涡轮
D. A&B对
【单选题】
(B737ng)ENGINE CONTROL灯亮意味着：___
A. 有故障，但有可能可以放行
B. 发动机停车
C. 有故障，且不能放行
D.
【单选题】
(B737ng)地面起动发动机的过程中，当EEC发现EGT超温时，EEC会如何来切断燃油？___
A. 打开旁通活门
B. 关闭燃油计量活门
C. 关闭高压关断活门
D. 不做动作，只能人工
【单选题】
(B737ng)发动机EEC的电源来自:___
A. EEC专用发电机或交流转换汇流条
B. EEC专用发电机或地面服务汇流条
C. EEC专用发电机或主1号汇流条
D.
E. EC专用发电机或主2号汇流条
【单选题】
(B737ng)发动机的起动手柄通过什么部件作动相应的其他部件___
A. 钢索
B. 线性传感器LVDT
C. 6个位置电门(SWITCHES)
D. 12个位置电门(SWITCHES)
【单选题】
(B737ng)发推内锁电磁线圈什么时候通电：___
A. 当反推平移罩放出60％时
B. 当反推平移罩放出10％时
C. 当反推全收上时
D. 当反推手柄拉出时
【单选题】
(B737ng)自动油门马达通过什么部件带动油门杆运动：___
A. 钢索
B. 钢索和连杆
C. 离合器和连杆
D. 以上都对
【单选题】
(B737ng)737NG的发动机参数空中出现超差相应参数会变红色，当参数稳定后会怎样显示___
A. 恢复正常
B. 红框白字
C. 红框红字
D. 白框红字
【单选题】
(B737ng)关于737NG发动机指示系统说法正确的是：___
A. 737NG在CDS的主发动机显示器上显示参数
B. 737NG在EIS的主发动机显示器上显示参数
C. 在CDS的PFD显示参数
D. 在CDS的ND显示参数
