在预压法施工中，下列措施（）属于加压系统。
A．降低地下水位
B．电渗排水
C．真空预压
D.铺设砂垫层
参考答案：A, B, C
On their _____ to the mountainous village, they were caught in a heavy rain, but they didn't give up half
way, and made up their _____ to get there in time to rescue the people there. [ ]
A. way; mind
B. ways; minds
C. ways; mind
D. way; minds
农业推广人员的素质结构指（）。
A、个体和群体素质诸要素的结合方式
B、农业推广人员个体素质诸要素的结合方式
C、一个推广单位人员群体的素质诸要素结合方式
D、各种知识和能力的结合方式
