7. Through long power lines electricity goes ______. A. to the place needed B. there it is needed C. where it is needed D. which it is needed ...

2. If you _________ some of the early writing with her late work, you can see just how much she improved. A. connect B. supply C. contrast D. present ...

18. A good newspaper publishes both ___________ and foreign news. A. diplomatic B. democratic C. domestic D. dramatic ...

14. They have produced_________ grain this year as they did in 1997. A. twiceasmuch B. astwicemuch C. twiceasmany D. astwicemany ...

4. —I can never forget the day ___ we spent together in the summer camp． —Well, especially the day _______it suddenly began to rain in the middle of the night． A. when,when B. which,when C. what,that D. onwhich,when ...

2. The price of that type of computer has been reduced _________ . A. on15percent B. bypercentof15 C. by15percent D. by15percents ...

8. By saying that "an American is not free to choose the costume of a Chinese peasant or that of a Hindu prince" (Lines 2-3, Para.3), the writer means ____. A. different people have different styles of clothes B. ready-made clothes may n...

4. 熵压缩法可以无失真地恢复原始数据。( ) A. 错误 B. 正确 ...

2. 下列属于图像和视频编码的国际标准的是（ ）。 A. JPEG B. MPEG C. ADPCM D. H.261 ...

9. 超媒体是以（ ）组织各钟媒体信息的？ A. 线性形式 B. 流式形式 C. 网状连接形式 D. 字节形式 ...