未知题型
C
-Hello, may I talk to John please? -( ).Sorry, he is bu...
未知题型-Hello, may I talk to John please? -( ).Sorry, he is busy at the momentB: No, you can'tC: Sorry, you can'tD: I don't know
He is always getting ( )me for minor mistakes.forB: atC...
未知题型He is always getting ( )me for minor mistakes.forB: atC: awayD: over
打开过的无菌包若未受污染有效时间为:A、48小时B、24小时C、12小时D、8小时E、4小时
单项选择题打开过的无菌包若未受污染有效时间为: