链接视频方式与嵌入视频方式的区别在于( )。A．视频文件保存_爱下问搜题

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问题单项选择题

链接视频方式与嵌入视频方式的区别在于( )。

A．视频文件保存方式不同

B．视频文件的播放方式不同

C．可播放的视频文件的大小不同

D．可播放的视频文件的格式不同

答案

参考答案：A

完形填空

完型填空（共20小题；每小题1。5分，满分30分）
Every human being, 36 what he is doing, gives off body heat. The usual problem is 37 dispose of it. But the designers of the Johnstown campus of the University of Pittsburgh set themselves the 38 problem — how to collect body heat. They have designed a collection system which utilizes 39 body heat, but the heat given off by such objects 40 light bulbs and refrigerators as well. The system works so well 41 no conventional fuel is needed 42 the campus’ six buildings comfortable.
Some parts of most modern buildings — theatres and offices 43 classrooms — are more than amply heated by people and lights and sometimes must be air-conditioned 44 in winter. The technique of 45 heat and redistributing it is 46 “heat recover”. A few modern buildings recover 47 , but the university’s system is the first to recover heat 48 some buildings and re-use it in 49 . Along the way, Pitt has learned a great deal about some of its heat producers. The 50 a student studies, the more heat his body 51 . Male students emit more heat than 52 students, and the larger a student, the more heat he 53 . It is tempting to 54 that the hottest prospect for the Johnstown campus would be a 55 , over-weight male genius.

D．in spite of

A．for example

B．being saved

D．being disposed

C．temperature

B．manufactures

小题20:A. easy-going . fun-making C.hard-working D. good-for-nothing

单项选择题

使用偏心式抽油杆接箍打捞筒前要查明落鱼尺寸及鱼顶形状，安装合适的（）。

A.卡瓦套

B.偏心套

C.卡瓦牙

D.偏心卡牙