某机电安装工程公司承担了某区大型企业的电气线路安装任务。业主_爱下问搜题

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问题单项选择题

某机电安装工程公司承担了某区大型企业的电气线路安装任务。业主要求电气线路施工前的技术准备内容包括：图纸会审、编制工程预算、编制电气专业的计划、开工前进行技术交底等。工程还包括对旁边的35kV以下架空电力线路进行安装。经业主同意，整个电气线路安装任务开始。

用机械敷设时，机械牵引力（）电缆允许牵引强度。

A．不得小于

B．等于

C．不得等于

D．不得大于

答案

参考答案：D

完形填空

完形填空。

     This is    1   ideal (理想的) room. It's a    2 room. There   3   a bed, a chair, a bookcase and a desk in it.
Oh,    4   under the bed? It's a cat. Some books and CDs     5    on the bookcase,and there is a cup   6   the
desk. But there isn't     7   tea in it. Oh,     8    Jack's ball?  It's   9 the door. There are also some socks   10
the ball.

( )l. A. Jack
( )2. A. nice
( )3. A. is
( )4. A. who
( )5. A. is
( )6. A. to
( )7. A. some
( )8. A. where're
( )9. A. under
( )10. A. in

B. Jack's
B. well
B. are
B. who's
B. are
B. next
B. a
B. what's
B. behind
B. under

C. Jacks'
C. right
C. am
C. what
C. /
C. on
C. an
C. where's
C. in
C. between

D. Jacks
D. old
D. /
D. what's
D. have
D. up
D. any
D. what're
D. next
D. over

西方有句名言:“辉煌属于希腊，宏伟归于罗马。”下列选项中最能体现“辉煌属于希腊”的是（）

A．宏伟又神秘的金字塔

B．阿拉伯数字的发明与传播

C．盛极一时的民主政治

D．建立地跨欧亚非的大帝国