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【单选题】
劈尖和牛顿环产生的明暗相间条纹属于?( )A.
等厚干涉
B.
等倾干涉
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皮皮学刷刷变学霸
举一反三
【单选题】—What shape is the American football? —_____
A.
It’s an orange
B.
It’s an oval.
C.
It’s beautiful
【单选题】– What’s the American English for “autumn” ? – __________.
A.
Eraser
B.
Movie
C.
Fall
D.
Vacation
【简答题】What does the author think of the American way of training people? [A] It's common. [B] It's realistic. [C] It's uncommon. [D] It's inhuman.
【简答题】According to Henry James s viewpoint, what is the conflict between the American personalities and European personalities?
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