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【单选题】
消毒一次性使用的医疗器械可使用A.
过氧乙酸
B.
新洁尔灭
C.
环氧乙烷
D.
70%乙醇
E.
甲醛
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反馈参考答案：
举一反三
【简答题】根据所给情景补全对话。 例: — What's the matter? — I have a fever. 1. — ______________________________? — I have ________________________. 2. — ______________________________? — ______________________________.
【简答题】offers a poor view even when the mirrors are used?_________
【简答题】根据所给情景补全对话。 — How heavy are you? — I'm 30 kg. — _________________________? — I ________________________.
【简答题】反馈是指放大器的输出端把输出信号的 或者全部通过一定方式送回到放大器的 的过程。
【简答题】根据对话内容，用恰当的单词、短语或句子，补全对话 ,使对话完整通顺。(本题共5小题，每题2分,共计10分） A: Good morning, sir. ________ 1___ _______? B: I’d like to buy a white shirt. Do you have any white shirts? A: Yes. _______ _2___ _________? ...
【单选题】I don’t think you’ll be able to understand this formula( 公式 ) ____________you finish school. A. as if B. only when C. even D. even when
A.
as if
B.
only when
C.
even
D.
even when
【简答题】补全对话 (5分) （根据对话情景，选择适当的选项填入对话的空白处。） A: 小题1:__________________ B: It is not big but beautiful. A: How many students are there in your class? B. 小题2:______________ What about yours? A: Fifty students. ...
【简答题】补全对话。根据对话情景及首字母提示补全单词。 (It is Saturday afternoon. Sam and Amy are going to the cinema by bike. They are at crossing now.) Sam: S___________, Amy! The light is red. Amy: Oh, sorry. I didn't notice it. ...
【单选题】One can get a sunburn even________
A.
when it is absorbed by matter
B.
when it is cloudy
C.
because they can pass through solid objects D when the sunrays are fierce E．when a change in the nucleus of an atom takes place F．when electron rearrangement takes place
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