更多"[单选题]We must make some investigatio"的相关试题:
[单选题]
--How can we live a greener life? --We should save _____ energy and reduce pollution.
A. no
B. less
C. more
D. most
[单选题]If we work with a strong will, we can overcome any difficulties, _____great itis. ( )
A. what
B. how
C. however
D. whatever
[单选题]Single GLS can serves all （ ） and in some cases multiple airports.
A.A、cruise/ descent
B.B、cruise
C.C、 descent
D.D、 runway
[填空题]If we can（ ） our present difficulties, then everything should be all right
[单选题]
--How can I get some _____ about the 2016 Olympic Games? --Why not search the Internet?
A. information
B. experience
C. practice
D. success
[单选题]In doing the work, we can't______the waste of a single minute. ( )
A. manage
B. afford
C. take
D. suffer
[单选题]We are so busy that we had to our vacation till next month.（2 分）
A.put away
B.put down
C.put off
D.put out
[单选题]We ____ on it for many hours, but we have not yet reached any conclusion. ( )
A. have been working
B. are working
C. are being worked
D. have been worked
[单选题]______difficulties we may come across, we'll help one another to overcome them. ( )
A. However
B. Whenever
C. Wherever
D. Whatever
[单选题]CAN-H对CAN-L的电阻值为( )。
A.60Ω左右
B.30Ω左右
C.240Ω左右
D.120Ω左右
[单选题] LKJ-15C采集机车信号有（）并口及CAN通信两种方式，优先使用CAN通信。
A.50V
B.75V
C.90V
D.110V
[填空题]当CAN总线单元内一个网关阀与列车网络丢失通讯时,（ ）可以正常发挥。当CAN单元内两个网关阀与列车网络丢失通讯时,全列车的电制动退出,空气制动系统根据列车的（ ）制动指令施加制动。
[单选题]To make room for more machinery, the factory now.（2 分）
A.is enlarged
B.is to enlarge
C.is to be enlarging
D.is being enlarged
[判断题]门控单元内部通讯是通过CAN总线进行的，与列车VCU通讯也是由CAN总线进行。（ ）
A.正确
B.错误
[单选题]“Roast turkey needs some vanilla and brangy.”这句话的意思是( )。
A.烤羊排时需加一些蔬菜。
B.烤火鸡需加一些香草和白兰地。
C.烤羊排需加一些和白兰地。
D.烤火鸡需加一些原汁。
[单选题]Fzh-CTC分散自律调度集中自律机的CAN卡正常工作时，CAN卡上面的两个指示灯会分别指示绿色和( )色。[332010201]
A.绿
B. 黄
C. 红
D. 橙
[单选题]The state-run company is required to make its accounts as ______ as possible for its staff to monitor the use of money. ( )
A. transparent
B. reasonable
C. secure
D. format
[单选题]FZh-CTC型分散自律调度集中自律机CAN卡正常工作时，CAN卡上面的两个指示灯会分别指示绿色的( )
A.绿色
B.黄色
C.红色
D.橙色
