哪部医著首先提出"五善七恶"：
A．《圣济总录》
B．《太平圣惠方》
C．《卫济宝书》
D．《千金方》
E．《外科精义》
参考答案：A
I don't think Jack is a man to be when we are in trouble and need his help.
A．hoped for
B．related to
C．expected from
D．relied on
已知△ABC∽△A′B′C′，△A′B′C′的面积为6cm2，周长是△ABC周长的一半，AB=8cm，则AB边上高等于______．
