题目内容

Dialogue 2C: Good morning, madam.P: Hi, I'd like to( check) for Flight CA931 to Washington.C: Certainly, madam.(show, passport, ticket), please.P: Here you are.C: Thank you. Flight 931 to Washington. Well, Mrs. Smith, Your travel documents are in order.(seat, preference)?P: a window seat, pleaseC: (luggage, check in)?D: Yes, I have two pieces.C: Please put your luggage on(conveyor belt, one by one)P: That's all right.C: Here are your ticket and passport, and here are your(boarding) and baggagecheck.check

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Dialogue 3A: May（see, passport）B: Here it is.A: （something, delcare）？B: No, I don’t.A: Please(open, bag).B: That camera （for, personal use）only.A: OK. （take, passport）. Moving ahead please.

Dialogue 4P：(excuse) , sir.C: Yes. What can I do for you?P: I can’t （find, convey belt）.C: （what, baggage）?P: Well it’s a big blue case.C: Don’t worry. （wait, moment）.

Dialogue 5A:Good monoring, （show, passaort）.B: Here it is.A: What’s the（purpose, visit）?B: Sightseeing.A: （how long, stay）？B: I （plan, ten days）.A: （where, stay）?B: I will stay at Hilton Hotel.A: Good, （have, nice stay）！B: Thank you.

下列关于放线菌的说法正确的是()。

A. 放线菌细胞是有隔膜的多核体
B. 放线菌是真核微生物
C. 放线菌是单细胞
D. 放线菌大部分为寄生菌