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举一反三
【简答题】选择填空。(填上序号即可。) A. See you. B. He has a cold. C. Where are you? D. Don't worry. E. What's wrong with him? Lisa: Hello, Mom. This is Lisa. 1. Mom: I'm in the supermarket. Lisa: Tom is not very well. He ...
【单选题】针对新型冠状病毒,以下哪个条件可以杀灭病毒?
A.
在56°C,30分钟条件下
B.
在26°C,20分钟条件下
C.
在16°C,10分钟条件下
D.
在0°C,5分钟条件下
【简答题】Directions: Practice the following telephone conversation again and again. Please make records while practicing it and upload the one that is most satisfying to you. ( Lisa phones Mr. Liu, but he is o...
【多选题】Lisa: Guess! What’s in my bag? Gao Wei: ____________.A Chinese book? B. An English book? C. Books? Lisa: I have an English book. Gao Wei: _________ A.Me too. B. I have an English book, too. C. ...
A.
A
B.
BB
【判断题】紫外可见分光光度分析中,在入射光强度足够的前提下,单色器狭缝越窄越好。( )
A.
正确
B.
错误
【简答题】You canusually count ____ the police to help you out when you're in trouble.
【简答题】[ A] approaches [ B] lines [ C] directions [ D] ways
【简答题】Hi, Hi, I am Eric Green. Here are _______ [θriː] photos. I like _______ (they) very much. Look at the first photo. This is my father and _______ (he) name is Mark. This is my mother and her name is Sa...
【判断题】紫外可见分光光度分析中,在入射光强度足够强的前提下,单色器狭缝越窄越好。
A.
正确
B.
错误
【单选题】下面关于噪声的说法正确的是()。
A.
噪声只有大到一定强度才对人有危害
B.
音乐不能成为噪声
C.
噪声对人身体的影响不大
D.
噪声不可能被治理
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