决定战争动员时机应把握的问题?
参考答案:
不能过早,也不过迟,规模不过大也不过小
We should give students more chances to _______ the problems in their daily lives.
A.deal with
B.end up
C.get into
D.pick up
孕妇血清绒毛膜促性腺激素(HCG)浓度达高峰是在妊娠()。
A.5~7周
B.8~10周
C.11~13周
D.14~16周
E.17~19周