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【单选题】
镀锌电缆桥架连接板两端可以不做跨接地线,但是连接板两端应有不少于( )个有防松螺帽或防松垫圈的固定螺栓。
A.
1个
B.
2个
C.
3个
D.
4个
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【简答题】Jane tried to keep up a calm appearance , but her trembling voice______her ______ (暴露)
【单选题】圆弧加工指令G02/G03中I、K值用于指令( )。
A.
圆弧终点坐标
B.
圆弧起点坐标
C.
起点相对于圆心位置
D.
圆心相对于圆弧起点的增量坐标
【多选题】环境管理的按作用划分的微观管理技术
A.
预测技术
B.
治理技术
C.
监督技术
D.
污染预测技术
【单选题】Jane tried to keep up a calm appearance, but her trembling voice ________.
A.
gave her up
B.
gave her away
C.
gave her in
D.
gave her out
【单选题】Jane tried to______ at the swinging rope, but failed.
A.
cluster
B.
clutch
C.
collide
D.
cling
【判断题】按照环境保护的作用来划分,微观管理技术可分为预测技术、治理技术。
A.
正确
B.
错误
【单选题】Jane tried to keep up a calm appearance, but her trembling voice let her out.
A.
showed her off
B.
snapped her up
C.
gave her away
D.
gave her out
【单选题】He tried to tell himself to keep calm instead of being angry. It is________
A.
extreme
B.
frightening
C.
useless
D.
stubborn
【单选题】Jane tried to keep up a calm appearance, but her trembling voice ________. [     ]
A.
gave her away
B.
gave her out
C.
gave her in
D.
gave her up
【单选题】Jane tried to keep up a calm appearance, but her trembling voice ________ her _______.
A.
gave; in
B.
gave; out
C.
gave; up
D.
gave; away
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