天仙子的内服用量是
A.0.01~0.03 g
B.0.06~0.6 g
C.0.8~1.2 g
D.1.5~2.0 g
E.2.0~3.0g
参考答案:B
信筒开出邮件封面注有“挂号”字样的,付足挂号资费的按挂号处理。
I don't like bread. I won't eat it ______ I am very hungry.
A.if
B.when
C.as
D.unless