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【单选题】
如图10-6所示检测曲轴箱油雾浓度的原理中,气源用的电磁阀工作时__。A.
冲洗检测管
B.
清洁所有测量通道管路
C.
冲洗光源灯光
D.
冲洗光电池
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皮皮学刷刷变学霸
举一反三
【单选题】Just in front of our school _____ [ ]
A.
stand many tall buildings
B.
do many tall buildings stand
C.
many tall buildings stand
D.
are many tall buildings standing
【单选题】在信令的传送方式中，对线路要求低，信令在多段路由上的类型可多种，信令传送速度慢，持续时间长的信令传送方式是（）
A.
端到端方式
B.
逐段转发方式
C.
混合方式
D.
非互控方式
【单选题】Just in front of our house _______ with a history of 1,000 years.
A.
does a tall tree stand
B.
stands a tall tree
C.
is standing a tall tree
D.
a tall tree stands
【单选题】Just in front of our house_____ with a history of 1,000 years. [ ]
A.
does a tall tree stand
B.
a tall tree is standing
C.
stands a tall tree
D.
a tall tree stands
【单选题】Just in front of our house ___ with a history of 1,000 years.
A.
does a tall tree stand
B.
stands a tall tree
C.
a tall tree is standing
D.
a tall tree stands
【简答题】Just in front of our house __________ with a history of 1, 000 years. A．does a tall tree stand B．stands a tall tree C．a tall tree is standing D．a tall tree stands
【单选题】Just in front of our house ___ with a historyo
A.
34. Just in front of our house ___ with a historyof 1,000 years. （上海春） A. does a tall tree stand
B.
stands a tall tree
C.
a tall tree is standing
D.
a tall treestands
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