以下属于劳动过程中的职业病危害的因素是( )。A．劳动时间过_爱下问搜题

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问题单项选择题

以下属于劳动过程中的职业病危害的因素是( )。

A．劳动时间过长

B．劳动中机械的振动

C．电离辐射

D．安全防护设施不完善

答案

参考答案：A

完形填空

       I have(有) three friends.   1   are Kangkang, Maria and Fred. Kangkang is thirteen. Maria and
Fred   2   fourteen. Kangkang is from China. Maria and Fred are from the U.S.A. Maria is   3   China
now.   4   in Class 4, Grade 7. She and Kangkang are in the same class.   5   telephone number is
8267-6858. I like(喜欢) my friends.

( )1. A. He
( )2. A. am
( )3. A. in
( )4. A. He
( )5. A. She

B. They
B. is
B. from
B. He's
B. She's

C. These
C. are
C. to
C. She's
C. He

D. Those
D. be
D. /
D. She
D. Her

单项选择题

天枢穴的定位法属

A．固定标志
B．活动标志
C．指寸法
D．骨度法