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【单选题】
高压试验必须由两人进行(一人操作,一人监护),操作人员应( )进行。A.
穿绝缘靴站在绝缘台上
B.
戴绝缘手套,穿绝缘靴站在绝缘台上
C.
戴绝缘手套
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皮皮学刷刷变学霸
举一反三
【单选题】The statue standing in the middle of the square has been built _______ those who sacrificed their lives for people but expected nothing _______.
A.
in memory of; in return
B.
with memory of; for return
C.
in honor of; in award
D.
with honor of; in reward
【简答题】机体调节钙磷代谢的激素主要有 、 和 。
【单选题】—Has the design of the city square been decided? —No, it’s still ______ to suggestions.
A.
open
B.
welcome
C.
ready
D.
hopeful
【单选题】Square dancing ________ to help maintain fitness has caused conflicts between the Damas and the neighboring residents.
A.
claiming
B.
claimed
C.
having claimed
D.
to claim
【简答题】调节钙磷代谢的激素有 、 、 。
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