问题
单项选择题
计算机辅助编程中的后置是把()转换成数控加工程序。
A、刀具位置文件
B、刀具数据
C、工装数据
D、零件数据模型
答案
参考答案:A
计算机辅助编程中的后置是把()转换成数控加工程序。
A、刀具位置文件
B、刀具数据
C、工装数据
D、零件数据模型
参考答案:A
完形填空 | |||
Merry Market is1big supermarket.It's very near my home.There 2many things.There are 3many people,especially(尤其是)on holidays 4 at weekends.You can5 food and 6,clothes and so on.The shop is open 24 hours every day.The salesmen in the supermarket7very nice and 8.9 like to talk to you and help you.You can buy things there and you can 10meals there,too. | |||
( )1.A.a ( )2.A.am ( )3.A.also ( )4.A.and ( )5.A.sell ( )6.A.water ( )7.A.am ( )8.A.friend ( )9.A.He ( )10.A.have | B.an B.is B.too B.with B.sells B.juice B.is B.friendly B.She B.has | C.the C.are C.either C.or C.buy C.coffee C.are C.friends C.They C.had | D./ D.be D.both D.also D.buys D.drink D.be D.bad D.Them D.having |