第6单元
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工作间隙关闭机器 ________
A. turn off machines in between jobs
B. don’t touch the machine
C. be careful of the machine
D. turn on the machine
戴上防护眼镜 ________
A. wear safety glasses
B. wash hands
C. wear sunglasses
D. washing machine
勿穿宽松服装 ________
A. keep off the grass
B. don’t exceed speed limit
C. avoid loose clothing
D. don’t be late
穿好防护制服 ________
A. wear school uniform
B. wear the gloves
C. wear protective uniform
D. wear the mask
了解如何提升重物 ________
A. be careful the weight
B. know how to lift heavy loads
C. please forward
D. use the stairs not the lift
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