Computers are becoming faster, more powerful, and more reliable, and so too are modems, they are the devices to allow two or more computers to share information over regular telephone lines.
18. Computers are becoming faster, more powerful, and more reliable, and so too are modems, they are the devices to allow two or more computers to share information over regular telephone lines. (A) so too are modems, they are the devices to allow (B) so too are modems, the devices that allow (C) so too modems, the devices allowing (D) also modems, they are the devices that allow (E) also modems, which are the devices to allow
答案是B。 但是我想问 the devices that allow .... 里， that allow ... 是什么从句？还有that是没有实质作用的对不对？谢谢
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发表于 2008-9-23 15:19:00
