皮皮学，免费搜题
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【单选题】
在Dreamweaver Cs3编辑窗口中,网页文件名后面的“*”表示( )A.
该网页修改后尚未存盘
B.
该网页为静态网页
C.
“*”本身是文件名的一部分
D.
该网页处于只读状态
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列关于涡流的说法中正确的是
A.
涡流跟平时常见的感应电流一样，都是因为穿过导体的磁通量变化而产生的
B.
涡流不是感应电流，而是一种有别于感应电流的特殊电流
C.
涡流有热效效应，但没有磁效应
D.
在硅钢中不能产生涡流
【单选题】In the third paragraph, the author tries to demonstrate that our siblings
A.
offer us much useful information.
B.
have great influences on us.
C.
are the ones who love us completely.
D.
accompany us throughout our life.
【单选题】What conclusion can we draw from the passage?
A.
The author tries to tell the readers how important the language is.
B.
The author intends to explain the significance of culture in global communication.
C.
The author thinks his mistake is only an awkwardness in his everyday life.
D.
The author wants to illustrate what the sentence 'Don't use thanks' means.
【单选题】The author tries to convince us that
A.
college education paves the way for future success.
B.
higher education faces an unforeseeable future.
C.
a college diploma is the necessary credential for better jobs.
D.
the purely economic reason for college is not as compelling as it once was.
【单选题】下列关于涡流的说法正确的是
A.
涡流是感应电流，也是因为穿过导体的磁通量变化而产生的
B.
涡流不是感应电流，而是一种有利于感应电流的特殊电流
C.
涡流有热效应，但没有磁效应
D.
在硅钢中不会产生涡流
【简答题】By asking these fundamental questions, the author tries to persuade us to change our view on ________.
【单选题】In the book, the author tries to explain that
A.
money is useless to us.
B.
money is the aim of life.
C.
money should be an instrument.
D.
money is everything.
【多选题】关于对流换热,说法正确的是_____。
A.
对流换热的快慢与物体表面形状和尺寸有关
B.
水自然对流换热的表面传热系数比空气的小
C.
水沸腾换热比无相变时的换热慢
D.
对流换热是热对流和导热两种传热方式共同作用的结果
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