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【单选题】
许多报纸有两种版面——免费的网络版和花钱订阅的印刷版。报纸上网使得印刷版的读者迅速流失，而网络版的广告收入有限，报纸经济收益大幅下挫。如果不上网，报纸的影响力会大大下降。如果对网络版收费，很多读者可能会流转到其他网站。要让读者心甘情愿地掏腰包，报纸必须提供优质的、独家的内容。 如果以上陈述为真，以下哪项陈述一定为A.
如果对网络版报纸收费，则一部分读者会重新订阅印刷版
B.
只有提供优质的、独家的内容，报纸才会有良好的经济收益
C.
只要报纸具有优质的、独家的内容，即使不上网，也能造成巨大的影响力
D.
随着越来越多的人通过网络接受信息，印刷版的报纸将逐渐退出历史舞台
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【单选题】听力原文：Consider three major recent California earthquakes: Loma Prieta in 1989, with a 6.9 magnitude, Northridge in 1994, with a 6.7 magnitude, and San Simeon/Paso Robles on December 22, 2003, with a 6....
A.
正确
B.
错误
【单选题】In 1994, 40 % of the paper products and plastic soda bottles produced in America were recycled. But ________ of food packaging was recovered. ( )
A.
none
B.
only half
C.
20 %
D.
2 %
【判断题】In 1989, Jonathan Schaeffer at the University of Alberta in Edmonton of Canada began his long-term goal of conquering the game of checkers with his program Chinook. In a 40-game match in 1992 against ...
A.
正确
B.
错误
【简答题】实验操作视频 移液管洗涤和移液管操作部分
【单选题】Task 1 Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 through 40. For each question or statement there are 4 choices marked A, B, C, a...
A.
In the early 1970s.
B.
In the late 1970s.
C.
From1973 to 1994.
D.
In 1994.
【简答题】( )是设计者与 UG NX 系统的交流平台,如何能够简易、快速地定制可操作性强的工作界面以及如何能够熟练使用这些操作来解决应急问题,是很多初级用户面临的问题。
【单选题】Task 1 Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 through 40. For each question or statement there are 4 choices marked A, B, C, a...
A.
In the early 1970s.
B.
Inthelate1970s.
C.
From1973to 1994.
D.
ln1994.
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