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单项选择题

物质波与机械波、电磁波的相同之处在于都具有直接的物理意义。

A．true
B．false
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未知题型
You are applying for admission to an English CoursE.Write a letter to introduce yourself, and you want to gain an application. You should write about 100 words on answer sheet 2. Do not sign your own name at the end of the letter．Use 'Li Ming' insteaD.You do not need write the address.
单项选择题
Which of the following is NOT Daniel Defoe's novel?
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C、Gulliver's Travels   
D、Robinson Crusoe
多项选择题
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B.暗示调节法
C.自我平衡法
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