下列属于造成挫折的主观因素是[ ]
A.地震造成房屋倒塌
B.小丽奶奶因病去世
C.爸爸、妈妈不理解小荣的苦衷
D.小宏没有考上理想的高中
答案:D
The public transportation in this city is very convenient, where many buses run ______.
A.occasionally
B.approximately
C.immediately
D.frequently
夜啼的多发年龄组是()
A.新生儿
B.6个月内的小婴儿
C.幼儿
D.学龄前期
E.学龄儿童