使两个直角三角形全等的条件是 [ ]
A．一锐角对应相等
B．两锐角对应相等
C．一条边对应相等
D．两条直角边对应相等
答案：D
最早提出“政治的目的是自由”的思想家是谁（ ）
A．阿奎那
B．斯宾诺莎
C．洛克
D．卢梭
Nowadays many parents want to have their kids ____ to as much art and culture as possible. [ ]
A. expose
B. exposed
C. exposing
D. to expose
