土地制度是一切社会形态中最重要、最基本的制度，直接制约着土地价格的存在、上涨或下跌。______
参考答案：对
Why don’t you tell him the truth? If I _______ you, I would.
A．am
B．were
C．had been
D．would be
血竭的药用部位为( )
A．单树脂
B．胶树脂
C．油胶树脂
D．油树脂
E．香树脂
