【简答题】S7-200系列PLC模块数字量输出电路有( )、( )和( )三类。
【单选题】---I want to know if I can smoke here? ---No, you _________. Could you see the sign “NO SMOKING” there?
【单选题】---Did you go somewhere on holiday? ---I ____________ to go to Hawaii, but I didn’t sign up for the tour in time.
【单选题】卫生技术的安全性评价中,某 项技术可以被认为是 “ 安全 ” 的,其含义是指
D.
使用某技术的风险可以被病人、医生、社会及卫生政策制定者接受
【单选题】Tom:This is my schoolmate,Mary,and this is my girlfriend,Susan. Susan:How do you do? Mary:__________?
【单选题】On a rainy day I was driving north through Vermont, ______ I noticed a young man holding up a sign _____ “Boston”.
【单选题】— I think smoking is bad for your health. You see the sign 'No Smoking' there. — Yes, I know. But I simply can't _____. [ ]
【单选题】I found I could easily make myself _________ by using sign language.
【单选题】— I wonder if I _____ smoke here. — No, you _____. You see, there is a 'No Smoking' sign on the wall. [ ]