题目

If you want to see the chairman of the department,you’d better make an with his secretary first.  A.admission B.agreement C.appointment D.assumption 答案：C17．影响我国计划生育政策实施重大调整的主要原因是（　　）A．克服独生子女问题B．平衡男女比例失衡C．应对人口老龄化问题D．提升家庭幸福指数