无线验收规范要求所有的DDF架要求垂直安装,PCM接头位置要求按照()。(按编号)的顺序安装。
A.从上到下
B.从下到上
C.从左到右
D.从右到左
参考答案:A
(2013·湖北,29)Don't defend him any more.It's obvious that he________destroyed the fence of the garden even without apology.
A.accidentally
B.carelessly
C.deliberately
D.clumsily
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