A.一个普通鸡蛋的质量约为500 g
B.人正常体温约为37℃
C.一支未用过的2B铅笔长约为15dm
D.人正常心跳一次所用时间约为0.1s
答案:B
The girl looked at me with a ____expression. Maybe the problem was quite ______.
A.puzzled; puzzling
B.puzzling; puzzled
C.puzzled; puzzled
D.puzzling; puzzling
最可能出现异常的结果是
A.FSH升高B.LH升高C.PRL升高D.P升高E.T升高