儿童第二次生长突增的高峰是在
A．胎儿期
B．婴儿期
C．幼儿期
D．学龄前期
E．青春期
参考答案：E
在系统脱敏疗法中，一般讲最强的焦虑事件排在最前面，最弱的排在最后。
John promised his doctor he ________ not smoke, and he has never smoked ever since. [ ]
A. might
B. should
C. could
D. would
