题目内容

在双缝干涉实验中，若用一片能通过光的薄玻璃片将上缝盖住，干涉条纹将上移。

A. 正确
B. 错误

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A．Go to classroom early to show respect for the teacher.B．Go to classroom early so as n

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在双缝干涉实验中，若用一片能通过光的薄玻璃片将上缝盖住，干涉条纹将上移。

A. 正确 B. 错误

What______suppose would happen if the director knew you felt that way？

I second Mr. Smith's motion that we______a special board to examine the problem.

According to Dr. Mead, the attitude of beings from outer space towards us is one of ______.

A．Go to classroom early to show respect for the teacher.B．Go to classroom early so as n

A. 正确
B. 错误