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【B4】

A. where
B. when
C. which
D. by which

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Generally speaking, a book report consists of the following three main parts: information about the author and his times, a summary of the book, and comments on it.
A brief account of the author's life should be given together with a description of his times. The latter should include the circumstances that led to the writing of the book under discussion and the historical and social background related to the content of the book.
As has been mentioned in the previous section, a summary should be self-contained, clear, and easy to understand. Above all, it should be objective. Comments on and criticisms of the book should not be mixed with the summary; they can be left to the third part.
Comments on the evaluation of the book form. the third and most important part of a book report. In this part the writer expresses his or her own views on the book, names its merits and demerits, and discusses its relevance to the present time.
Question: What does this passage mainly discuss？
(33)

A. How to read a book.
B. Evaluation of a book.
C. Evaluation of a writer.
D. The contends of a book report.

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假设某计算机的存储系统由Cache和主存组成j某程序执行过程中访存1 000次，其中访问Cache缺失(未命中)50次，则Cache的命中率是()。

A. 5％
B. 9．5％
C. 50％
D. 95％

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下列四种存储器中，存取速度最快的是()。

A. DRAM
B. SRAM
C. 掩模式ROM
D. EPROM

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The author's primary purpose in this passage is to ______.

A. plead for the abolishment of uniforms
B. show that uniforms are not possible in a democratic society
C. advocate stronger governmental control on the wearing of uniforms
D. convince the reader that uniforms have more disadvantages than advantages

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【B4】

A. where B. when C. which D. by which

假设某计算机的存储系统由Cache和主存组成j某程序执行过程中访存1 000次，其中访问Cache缺失(未命中)50次，则Cache的命中率是()。

下列四种存储器中，存取速度最快的是()。

The author's primary purpose in this passage is to ______.

A. where
B. when
C. which
D. by which