“文件”属于职业健康安全管理体系的一个二级要素，与其对应的一级要素为()。
A. 职业健康安全方针
B. 策划
C. 实施和运行
D. 管理评审
The boss wanted Jack to go to his office.
A. Right.
B. Wrong.
C. Doesn't say.
Which of the following assets are most liquid？______.
A. Passbook savings deposits
B. Time deposits
C. Stocks in General Electric Company
D. High grade corporate bonds
In this experiment, they are woken up several times during the night, and asked to report
A. had just been dreaming
B. are just dreaming
C. have just been dreaming
D. had just dreamt
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