皮皮学，免费搜题
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搜题
【单选题】
牵引变电所发生高压（对地电压为250V以上，下同）接地故障时，在切断电源之前，任何人与接地点的距离：室内不得小于（）；室外不得小于8m。A.
4m
B.
8m
C.
10m
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皮皮学刷刷变学霸
举一反三
【单选题】Several ______ are talking under the tree. And their ______ are swimming in the lake.
A.
woman; children
B.
woman; child
C.
women; children
D.
women; child
【单选题】Several _____ are talking under the tree.Those are their______.
A.
A．woman;children
B.
woman;child
C.
women;children
【单选题】Several _______are talking under the tree and their _____are swimming in the lake.
A.
woman; children
B.
woman; child
C.
women; children
D.
women; child
【单选题】Several _____ are talking under the tree and there are some _______ nearby.
A.
woman, children
B.
women, children
C.
woman, child
D.
women, child
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