利用仪器、仪表确定故障的方法称为（）比较常用的仪表是万用表。
A.直流发
B.交流法
C.伏安法
D.检测法
参考答案：D
These students will graduate from college next summer, by which time they
in college for four years.
A．have studied
B．had studied
C．will have studied
D．will be studying
开发区固体废物影响的减缓措施重点是固体废物的（）措施。
A.集中收集
B.减量化
C.资源化
D.无害化处理处置
E.分散收集
