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A) aB) theC) anD) some

A. a
B. the
C. an
D. some

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The first paragraph is mainly about ________.

A. recent predictions of computer-related jobs
B. the wide use of computers in schools
C. the urgency of computer education
D. public interest in computers

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A) aB) theC) anD) some

A. a B. the C. an D. some

The first paragraph is mainly about ________.

“上市前药物临床评价阶段”的正确叙述是（）。

下列影响老年人血药浓度的因素中，叙述错误的是（）。

解救毒物中毒，典型的生理性拮抗实例是（）。

A. a
B. the
C. an
D. some