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【单选题】
船舶电站中,常设有控制屏。将这些屏的柜门打开,会发现在柜门的背面有一些一层或多层的四方柱形的电器,它们中间有轴伸到柜门的正面与旋钮相连,并受其旋转控制。这些电器是______。A.
接触器
B.
组合开关
C.
中间继电器
D.
热继电器
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】He was happy to his countrymen in a foreign country.
A.
come out
B.
come in
C.
come across
D.
come with
【单选题】正常人血清FT参考值是( )
A.
3~8pmol/l
B.
15~30pmol/l
C.
30~45pmol/l
D.
10~30pmol/l
E.
0.4~3mmol/l
【简答题】A．He regained his sight from a head injury when he fell from a tree. B．He was happy after his wife entered his room for the first time in nine years. C．The lightning took the feeling from his legs and...
【单选题】The half smile on the little hero’s face seemed to suggest that he was happy __ his life for his country.
A.
to give
B.
giving
C.
given
D.
to have given
【简答题】A．He was happy after his wife entered his room for the first time in nine years. B．The lightning made his legs lose the ability to feel and gave him the ability to see. C．He regained his sight from a ...
【简答题】He was very happy to hear from his old friend.
【简答题】He was very happy to hear from his old friend.英译汉
【单选题】He was very happy to see his mother taken good care o f at home .
A.
定语
B.
表语
C.
宾语补足语
D.
状语
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