皮皮学，免费搜题
登录
搜题
【单选题】
听力原文：M: Do you think home video players will replace movie theatres and force them out of the entertainment business? W: Movie's certainly faced with the grave challenge from the DVD industry，that's why I think we have to revolutionize our concept of movie showing. As I said，the movie theatre should not be a place to watch films，hut a place to meet people. Q: What does the woman think of the movie theatre? (13)A.
It is being forced out of the entertainment industry．
B.
It should change its concept of operation．
C.
It should revolutionize its technology．
D.
It is a very good place to relax．
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】固定铰支座的约束反力通常用两个正交分力F AX 、F AY 来表示,关于F AX 、F AY 下面说法正确的是:
A.
F AX 一定是水平方向。
B.
F AY 一定是竖直方向。
C.
F AX 可以是任意方向。
D.
F AX 和F AY 必须垂直。