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【单选题】
不属于预防腰肌劳损的措施的是?(Which is not a measure to prevent lumbar muscle strain?)A.
纠正不良坐姿 (Correct unhealthy posture)
B.
防潮防湿 (Prevent from moisture )
C.
睡硬板床 (Sleeping in hard bed)
D.
避免过度疲劳 (Avoid excessive fatigue)
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【简答题】We are in favor of ____________ (competition) openly and justly for that position.
【单选题】We are in favor of your proposal that the meeting ______.
A.
should put off
B.
was put off
C.
be put off
D.
is to put off
【单选题】We are all in favor of your proposal that the discussion ______ .
A.
be put off
B.
was put off
C.
should put off
D.
is to put Off
【单选题】We are in favor of you proposal that the meeting ______.
A.
should put off
B.
was put off
C.
be put off
D.
is to put off
【简答题】土壤中汞主要存在形态有哪些?其迁移转化主要受哪些因素影响?
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