题型：填空题 情景交际。从方框中选择适当的句子，补全对话。(其中有两项是多余的) (D=Doctor, W=Woman)A. Do you often have a headache? B. Then you will get better soon. C. I'm sorry to hear that. D. Yes, I sleep very well. E. You shouldn't stay up late. F. No, I never have breakfast. G. I don't feel well.D: What's the matter, madam?W: 1 I cannot do any work, doctor.D: 2 W: No, I don't have a headache.D: Do you sleep well at night?W: 3 D: Do you have breakfast every morning?W: 4 And I have a little food for lunch and supper because I want to keep slim (苗条).D: Oh, I see. It's not serious. You should have three meals a day and eat enough food for every meal. And you'd better do some exercise every day. 5 W: Thank you, doctor. 查看答案
题型：填空题 在面向对象的软件工程中，一个组件(component)包含了______。A．所有的属性和操作 B．各个类的实例C．每个演员fdevice or user)的作用 D．一些协作的类的集合 查看答案