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【多选题】
使用TYJL-II型联锁系统的某站,监控机界面上D1信号机报灯丝断丝,则可能的故障原因是( )。
A.
室外灯丝断丝
B.
DJ故障
C.
DJ采集回路断线
D.
采集板故障
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参考答案:
举一反三
【单选题】___ apples and milk on sale in this Downtown Supermarket.
A.
3
B.
There are
C.
There is
D.
There isn't
【单选题】_apples and milk on sale in this supermarket.
A.
There are
B.
There is
C.
There isnot
【单选题】I put some apples and milk in the cup and ____ when I make fruit salad.
A.
mix them up
B.
add them up
C.
cut them up
D.
put them up
【单选题】—Do you know the girl __is talking to our English teacher? —Yes. She’s my sister.
A.
who
B.
whom
C.
which
D.
Whose
【简答题】500°C以下的中低温通常可以采用( )来测量。
【单选题】To our__________, the little girl is the first to go to bed.
A.
surprises
B.
surprise
C.
surprised
D.
surprising
【单选题】apples and milk on sale in this Downtown Supermarket.
A.
There are
B.
There is
C.
There isn't
【单选题】_____apples and milk on sale in this shop
A.
There are
B.
There is
C.
There isn't
【单选题】To our____, the girl is interested in football.
A.
surprises
B.
surprise
C.
surprising
D.
surprised
【单选题】To our great surprise, the blind girl learned to _______ music so well just by ear. [     ]
A.
give
B.
take
C.
carry
D.
play
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