悬浮红细胞的血细胞比容的标准是()。
A.0.40~0.50
B.0.50~0.60
C.0.50~0.65
D.0.55~0.65
E.0.55~0.70
参考答案:C
Do you think it is________good manners to hear others' conversations in________curious manner?[ ]
A. the; a
B. /; /
C. /; a
D. the; the
A.+→
B.→+
C.+→
D.→+