属于"五行相乘"的脏病传变是
A．肺病及脾
B．肺病及肾
C．肺病及心
D．肺病及肝
E．以上都不是
参考答案：D
一次函数y=﹣x+1与x轴，y轴所围成的三角形的面积是 ．
Questions 19-22
A．Because it is properly cooked at home.
B．Because it is a kind of Yorkshire pudding.
C．Because he has never tasted it before.
D．Because he has made it all by himself.
