按规定,审核员在进行保安审核时主要通过()的方式完成。
①面谈;
②审查文件;
③审查演练培训记录;
④现场检查。
A.①~④对
B.①~③对
C.②③对
D.②~④对
参考答案:A
— Have you got any idea for the summer vacation?
— I don't mind where we go _____ there is sunshine, sea and beach.[ ]
A. as if
B. as long as
C. even if
D. in order that
稳压二极管的稳压作用是利用其()特性,故稳压二极管在电路中必须反向连接。