为使零件的几何参数具有互换性,必须把零件的加工误差控制在给定的范围内。
参考答案:对
阅读下面材料,从每题所给的A、B、C、D四个选项中选出最佳答案。
A
小题1: “Three Little Cows” is ___________.
A.the name of a zoo
B.the name of a movie
C.the name of a restaurant
D.the name of a party小题2: When are great drink specials and half price pizza offered?
A.On Monday and Friday, 3-6 pm.
B.From Monday to Friday, 3-6 pm.
C.On Wednesday, 6-10 pm.
D.At any time.小题3: From 6 pm to 10 pm on Wednesday, customers can __________.
A.have free wine
B.make a bottle of wine
C.pay $10 less for the wine
D.have wine for only $10
在中华人民共和国境内的企业和与之形成劳动关系的劳动者,适用劳动法。国家机关、事业组织、社会团体和与之建立劳动合同关系的劳动者,同样依照劳动法执行。个体经济组织和与之形成劳动关系的劳动者不适用本法。