单项选择题

What should we do with power tools if they must be left unattended according to the passage（）

A．Be sure power tools are turned off.
B．Keep children indoors.
C．Never smoke.
D．Never let young children operate them.

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单项选择题
All directors will soon hold a meeting for a hot discussion on the issue of whom to select as Chairman of the Board of Directors.（）

A．所有的董事即将开会决定由谁来当董事会主席一职。
B．所有的董事即将开会就选谁当董事会主席这一问题展开热烈讨论。
C．所有的董事即将开会选人当董事会主席，之后展开讨论。
D．所有的董事听董事会主席作报告，之后展开讨论。
单项选择题
What is NOT appropriate for you to wear in the work environment（）

A．Long pants.
B．Long-sleeved shirts.
C．Close-fitting clothes.
D．Loose jewelry.
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