成年男性体液量约占体重的()
A.30%
B.40%
C.50%
D.60%
E.80%
参考答案:D
-The flight to Beijing will _________ in one hour.
A.take away
B.take part
C.take off
D.take with
舌为何脏“之苗”()
A.心
B.肝
C.肺
D.脾
E.肾