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【单选题】
咳痰加重常发生于( )A.
晨起和晚上临睡时
B.
白天
C.
傍晚
D.
深夜
E.
进餐时
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【单选题】Women who exercise regularly, especially in _____________ activities, typically lose iron.
A.
manual
B.
physical
C.
endurance
D.
labor
【简答题】下面文章中有5处需要添加小标题。请从以下选项（A,B,C,D,E和F）中选出符合各段意思的小标题。 A.Get adequate iron B. Keep yourself hydrated. C. Get enough calories D. A little exercise goes a long way. E. Eat a balanced, varied diet F. Spread y...
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