今年暑假,王老师一家三口外出旅行一周,这一周各天的日期之和是91,那么王老师是( )号回家的.
16
—Let's go to see Beijing Opera.
—_______. [ ]
A. Yes I do
B. You're welcome
C. That sounds boring
D. No, I'm not
临床上听诊器听到胎心音一般在妊娠的
A.12~14周
B.14~16周
C.16~18周
D.18~20周
E.20~22周