万用表测量电流时,指针应在(),测量结果较准确。
A、中间附近
B、2/3以上区域
C、2/3以下区域
D、1/2以下区域
参考答案:B
The chairman declared that ________ player scores the highest number of points would be the winner.
A.no matter which
B.whichever
C.wherever
D.no matter what
婴儿面部皮肤、口腔、会阴部的消毒一般用()
A.2.5%碘酊
B.75%酒精
C.氨水
D.0.75%吡咯烷酮碘
E.2%戊二醛