A.turn downB.turn upC.turn onD.turn off
A. turn down
B. turn up
C. turn on
D. turn off
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Don't be so ______ to me. I'm here not to quarrel with you but to explain the whole matter
A. suspicious
B. hostile
C. angry
D. hospitable
用下面的语句所定义的数组的元素个数是 Dim arr(3 To -2 to 2)
A. 20
B. 12
C. 15
D. 24
【B7】
A. tell
B. request
C. telling
D. requesting
土质路堑混合式挖掘法是指()混合使用。
A. 多层横向全宽挖掘法和分层纵挖法
B. 单层横向全宽挖掘法和分层纵挖法
C. 多层横向全宽挖掘法和通道纵挖法
D. 单层横向全宽挖掘法和分段纵挖法