设备机架的防震加固必须符合（）要求。A.电信设备安装抗震设计规_爱下问搜题

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问题多项选择题

设备机架的防震加固必须符合（）要求。

A.电信设备安装抗震设计规范

B.工程设计

C.施工单位

D.监理单位

答案

参考答案：A, B

阅读理解

阅读下面短文，把A-E 五个句子填入文中空缺处，使短文内容完整，正确。

     One night a foolish man looked down a well. The water at the bottom was like a mirror. 1
     He ran home to get a hook. (铁钩) 2           The hook reached the water and the man tried to pull the
hook. 3           The man pulled and pulled but the stone would not move.
    Suddenly the stone moved. 4           The man fell on to his back. He could see the sky, 5
    "Good" he said, "I have put the moon back into the sky!"

A. The moon was in the sky.
B. The man saw the moon in the water.
C. The hook flew up the water.
D. He wanted the hook to catch the moon and pull it up!
E. But the hook caught a big stone under the water.

单项选择题 A1型题

在进行环境流行病学调查时，最基本、最重要的研究内容是（）。

A.环境暴露测量和生物测量

B.环境暴露测量和生物标志物测量

C.环境暴露测量和人群健康效应测量

D.环境暴露测量、生物测量和人群健康效应测量

E.环境暴露测量、生物标志物测量和人群健康效应测量