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【单选题】
在“探究凸透镜成像规律”的过程中，小明同学观察到了如右图所示的实验现象。下列光学仪器的工作原理与该现象所反映的规律相同的是（ ）。A.
放大镜
B.
照相机
C.
投影仪
D.
汽车的后视镜
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】If you do not know how to say something in English, you may say '__________'. [ ]
A.
I don't understand.
B.
Sorry, I don't know.
C.
Excuse me, how do you say that in English?
D.
Let's begin now.
【单选题】- What's the most popular sport in your university? - _______
A.
Football, I suppose.
B.
China against Japan.
C.
It's a close match.
D.
It's my favorite.
【单选题】I’m Chinese and I do feel _____ Chinese language is ______ most beautiful language. What’s your opinion?
A.
the; a
B.
不填; the
C.
the; 不填
D.
不填; a
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