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Theprofessorhaswrittenanotherbook,

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问题详情:

Theprofessorhaswrittenanotherbook,

The professor has written another book, ________ of great importance to computer science.


  A. which I think it is                       B. I think it is


  C. which I think is                          D. I think is

【回答】

C

知识点:定语从句

题型:选择题

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