合欢皮的功效是（）
A.清心安神
B.潜阳安神
C.补气安神
D.解郁安神
E.养血安神
参考答案：D
—Have you read today’s report about your performance?
—I don’t care what about me.
A．will be written
B．writes
C．wrote
D．is written
当投射线与投射面垂直时，物体的投影称为物体的______．
