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【简答题】
轻度脱水的失水量占体重的百分比为（），中度脱水的失水量占体重百分比为（），重度脱水的失水量占体重的百分比为（）。
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【简答题】Wh at did the researchers discover in the book Cradles of Eminence ?
【单选题】6S1600mah电池是多少 WH?
A.
4.2 * 6 * 1.6A =40.32WH
B.
4.2V * 6 * 16A =403.2WH
C.
3.7V * 6 * 1.6A =35.52WH
【单选题】By examining popular songs of last five decades, the two researchers aim to see______.
A.
why people's music preferences are diversified
B.
how tempo and mode of music have changed
C.
what kinds of music are most appealing now
D.
how changes in music mirror our moods and views
【单选题】It is the idea____smiles can get rid of cold ____has been proved by the researchers many times.
A.
which; which
B.
that; that
C.
that; which
D.
which; that
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