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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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.
单项选择题
We can never work with electric power tools in ______ conditions.
A．wet
B．any
C．hot
D．cold
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