"昔孟母，择邻处"这句话指的是下列哪种环境对学生心理健康教育的影响（）
A.学校环境
B.社区环境
C.家庭环境
D.社会环境
参考答案：D
自然人生前通过购买人寿保险单，指定保险受益人，同样可以实现遗产转移的目的。（）
Several theories of evolution had historically preceded that of Charles Darwin, although he expounded upon the stages of development.
A．found fault with
B．explained in detail
C．outlined briefly
D．offered in published form
