普萘洛尔治疗变异型心绞痛疗效好。
参考答案：错
过点P（3，4）且与坐标轴围成的三角形面积为25的直线有（ ）
A．1条
B．2条
C．3条
D．4条
(2012·合肥高二检测) Every pupil has his own potential so it is not proper to _______ them _______ two kinds.
A．classify; into
B．put; off
C．lead; to
D．betray; from
