把一个长方形木框拉成一个平行四边形，它的面积[ ]
A．比原来大
B．比原来小
C．和原来相等
答案：B
—_____?
—I can't sleep well at night. [ ]
A. How do you do
B. What ' s wrong with you
C. Are you feeling better
D. Did you take the medlcine
一般在服毒后几小时内洗胃最有效（）
A.48小时内
B.24小时内
C.12小时内
D.8小时内
E.4～6小时内
