【单选题】加磨三棱镜确定加工基准线时,镜片中三点印记的中间一点不能被加工基准线遮盖,其目的是。
【判断题】kiss原则是英文Keep it simple stupid的缩写。
【单选题】—Hello! —_________ [ ]
【单选题】听力原文:M: Hello, Thompson here. W: Hello. This is Mary. M: Oh, hello. W: I'm afraid I can't come to work today, Mr. Thompson. M: Oh, what's the problem? W: I've got a very sore throat. M: Yes, you sound...
A.
They're close friends.
B.
She wanted to ask for leave.
C.
She was terribly' ill.
【单选题】—Hello! —_________ [ ]
【单选题】写邮件时应遵循的KISS原则是什么意思?