学习压力的形成机制包括（）
A.分流教育制度
B.应试教育
C.家长期望值过高
D.文化原因
参考答案：A, B, C
My grandfather _____ us stories when I was young.[ ]
A. used to tell
B. is used to telling
C. are used to tell
D. was used to telling
味淋酒
