题目内容

The authors of the book suggest the use of deaf subject because ______.

A. deaf people are generally introversive
B. the auditory sense is an important factor in food evaluation
C. they are more fastidious in their choice of foods
D. all types of subjects should be used

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数据库数据的安全性是指______。

A. 保护数据库不受恶意访问
B. 避免意外地破坏一致性
C. 避免意外丢失
D. 都不是

Anti-drug work has become a ______ of attention among the international community with the spread of drug abuse in the world.

A. spot
B. center
C. zoom
D. focus

John is very ______ ; even as a child, he constantly asked questions.

A. indignant
B. intimate
C. inquisitive
D. impartial

The factory has produced ten thousand color TV sets this year, as ______ eight thousand last year.

A. for
B. to
C. against
D. from

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