更多"[单选题] Michael doesn’t know what to "的相关试题:
[单选题] I didn’t know what to do, but then an idea suddenly ________to me.
A. appeared
B. happened
C. occurred
D. emerged
[单选题] I know it isn’t important but I can’t help _____ about it.
A. think
B. but to think
C. to think
D. thinking
[单选题]超转活门（OverspeedValve）的功用是什么?（ ） What is the purpose of the OPU ?
A.提高发动机转速 Increase the engine speed.
B.控制燃油计量活门（MV） Control the fuel MV
C.控制燃油压力升高和关断活门（PRSOV） control the PRSOV
[单选题]A/T工作方式有几种（ ）
what are A/T working mode( )
A.
脱开方式、接通有效方式DISENGAGED、ENGAGED and NOT ACTIVE
B.
接通待命方式ENGAGED and ACTIVE
C.A+B
[单选题] What is required by regulations concerning the stowage of lifeboats on cargo vessels ________．
A.Each lifeboat must have a launching appliance
B.Launching appliances must be of the gravity type
C.There may not be more than two launching appliances on the same deck
D.All of the above
[单选题] What percentage of the baggage is required to be checked at Security Level 1?
A. 25-50%
B. The percentage is not specified
C. 100%
D. 5-15%
[单选题] What information is NOT found in the chart title ________．
A.Survey information
B.Scale
C.Date of first edition
D.Projection
[单选题] What information is not found in the chart title?
A. Survey information
B. Scale
C. Date of first edition
D. Projection
[判断题]1t）s jurisdiction that draws the line of what is and what is not within the international competence of a state.
A.正确
B.错误
[单选题]I didn’t know anything about it _____ my father told me.
A.until
B.because
C.if
D.When
[单选题]当氧气面罩上正常/100%选择器选择在正常位时（ ）What happen if the NORM/100% selecter in NORM position on crew oxygen mask?
A.无论什么高度都供给氧气和空气的混合气
No matter what altitude is the mask supply mixture of oxygen and air
B.座舱低高度时，供给氧气和空气的混合气，当座舱高度达到一定高度时供给纯氧
Cockpit low altitude, the mixture of oxygen and air supply, when supply pure oxygen cabin altitude reaches a certain height
C.无论什么高度都供给纯氧
No matter what altitude is the mask supply pure oxygen
[单选题]The man didn’t know ______ the thief broke into the house and stole all his valuable things.
A.it was when that
B.when it was that
C.that it was when
[单选题]发动机风扇包皮锁扣的开关顺序（ ）What is the sequence of the latches to open and close the fan cowls
A.开风扇包皮锁扣顺序为防扭锁，1，3，2，4；关风扇包皮锁扣顺序为1，3，2，4，防扭锁。As open,the sequence is:deflection restraint shoot bolt,No.1,3,2,4latch;as close,the sequence is:No.1,3,2,4latch,deflection restraint shoot bolt.
B.开风扇包皮锁扣顺序为1，3，2，4，防扭锁；关风扇包皮锁扣顺序为防扭锁,1，3，2，4。 As open,the sequence is:No.1,3,2,4latch,deflection restraint shoot bolt;as close,the sequence is:deflection restraint shoot bolt,No.1,3,2,4latch.
C.开风扇包皮锁扣顺序为防扭锁，1，2，3，4；关风扇包皮锁扣顺序为1，2，3，4，防扭锁。 As open,the sequence is:deflection restraint shoot bolt, No.1,2,3,4latch;as close,the sequence is:No.1,2,3,4latch,deflection restraint shoot bolt.
[判断题]分布式电源中的逆变器可在85%Un≤U≤105%Un范围内连续运行。
A.正确
B.错误
[单选题]六氟化硫封闭式组合电器主回路在（ ）UN/ （UN为额定电压）电压下，应进行局部放电检测。（GB 50150—2016《电气装置安装工程 电气设备交接试验标准》13.0.6）
A.A.1.2
B.B.1.3
C.C.1.4
D.D.1.5
[判断题]中性点位移电压大于15％Un（Un为系统标称电压除√3）时，消弧线圈允许长期运行
A.正确
B.错误
