题目内容

微分方程y'=2y的通解为y=

A. Ce2x
B. Cex2
Cxex
D. Cxe2x

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【B12】

A. promised
B. encouraged
C. exposed
D. propelled

The passage can be entitled______.

A. Problems in Teaching Reading
B. Reading and Pleasure
C. Reading and Effective Education
D. How to Teach Reading Effectively

宏观经济学的基本研究方法是()。

A. 考察经济的总体趋势
B. 考察特定企业的运行趋势
C. 考察特定地区的经济运行趋势
D. 考察特定人群的经济活动趋势

A.Bill prefers music to English lessons.B.Bill wants to be a musician in the future.C.

A. Bill prefers music to English lessons.
Bill wants to be a musician in the future.
C. Bill shows more interest in English learning,
D. Bill doesn't make enough effort in English learning.

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