皮皮学，免费搜题
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【单选题】
轻体力劳动者每日每千克体重需( )热量。A.
30 ～40 kcal
B.
35 ～40 kcal
C.
40 ～45 kcal
D.
45 ～50 kcal
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A.
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B.
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C.
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D.
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A.
It will help build good customer relations, but
B.
The final purpose is to score good business deals.
C.
All of the above
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