三检制的内容是()、班中巡检、()。
参考答案:岗前预检;交班前收检
---I _____ to a party, but I’ve got nothing to wear.
--- Why don’t you have a dress made for the party?
A.was asked
B.will ask
C.have asked
D.have been asked
简要说明心理学的研究对象心理学是研究人的心理现象及其规律的科学。