听力发育完善在（）。
A.12个月
B.18个月
C.4岁
D.2岁
E.3岁
参考答案：C
22. __________unexpected advice they have given us!
A．What
B．what an
C．How
D．How an
Although Asian countries are generally ______ in social customs than Western countries, there have been several notable examples of women leaders in both China and India.
A. consistent B. conservative C. comprehensive D. confidential
