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[音频]Dialogue 1(W = Waiter C = Customer)C: Hi, waiter. Can you ___ over here?W: Of course. What’s the , sir?C: Can you _ what this is?W: Oh my god. I think that’s a cockroach.C: So there’s _ wrong with my eyes.W: I’m terribly sorry. We will replace the dish and refund your _______.C: Good. That will help me calm down a little.

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[音频]Dialogue 2(W = waiter C = customer)W: Good evening, sir. Do you have a reservation?C: Well, I’m afraid not.W: I’m very sorry. There are no tables _____ now. Would you mind waiting for a minute?C: No. I don’t mind.W: Do you prefer the smoking or the non-smoking _, or whatever comes first?C: Whatever comes first.W: OK, please take a seat.(15 minutes later)W: Sorry to keep you waiting, sir. Now we have tables available in the non-smoking section. This way, please.C: Thank you. Can you bring the , please?W: Here it is. Are you ready to now?C: Yes. What kind of drink do you have for an aperitif?W: I recommend red wine.C: Then a glass of red wine. What is the specialty of the house?W: Lobster, sir.C: How is that cooked?W: It is steamed and served with our ____ sauce. It’s the most popular dish here.C: Then I think I will try it. And I want some green salad.W: What kind of dressing would you like? We have French and Italian.C: French please.W: OK. Anything else?C: No, that’s all for tonight.W: OK. Just a moment, sir.

加压和降温可以提高气体的溶解度，故加压降温有利于吸收操作。（）

A. 对
B. 错

QQ、微信是一种

A. 系统软件
B. 接口软件
C. 应用软件
D. 用户软件

Operating System组成包括

A. 程序和数据
B. 内存和处理器
C. 计算机硬件和计算机软件
D. 外部设备