蒸汽炉点火前,检查风机无异常,并启动风机使炉内通风()min。
A、15-20
B、10-15
C、5-10
D、1-5
参考答案:C
肝外胆管结石出现的典型三联征
A.腹痛
B.寒战高热
C.恶心呕吐
D.黄疸
E.腹泻
根据语境,用恰当的语言完成对话。
A: Hi, Sandy, what are you going to do this weekend?
B: I’m going to see a movie. Can you give me some advice?
A: Sure. 小题1: ?
B: I like action movies.
A: Have you ever seen the movie Avater(阿凡达)?
B: 小题2: . But I heard it is great.
A: Oh, I saw it yesterday.
B: 小题3: ?
A: I think it is the best movie I have seen.
B: 小题4: ?
A: It lasts about two and a half hours.
B: Is the ticket price high?
A: Yes. Watching it in 3D costs 120 yuan.
B: 小题5: .
A: You’re welcome.