题目内容

Doing part-time jobs will not your study.

A. affect
B. effect
C. affection
D. effective

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The of the heart is to pump blood through the body.

A. use
B. reason
C. power
D. function

And I’d be worried about too much in the market.

A. being invested
B. investing
C. investment
D. invested

以下操作的数据库是xscj查询选修了101号课程的学生姓名。补全语句。selectfrom xs where 学号 in(SELECT from xs_kc where 课程号='101')

以下操作的数据库是xscj查询王燕同学的成绩信息。补全语句。select * from xs_kc where 学号(SELECT 学号 from xs where 姓名='')

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