2019-2020学年四川省成都市北大附中成都新津为明学校高一下学期期中测试数学试卷 Word版含答案

12-11|数学

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四川省成都市北大附中成都新津为明学校2019-2020学年高一下学期期中测试数学试卷

一、选择题:(本大题共12小题,每小题5分,共60分)

1.正方形数列 EMBED Equation.DSMT4 的一个通项公式是( )

A. EMBED Equation.DSMT4 B. EMBED Equation.DSMT4 C. EMBED Equation.DSMT4 D. EMBED Equation.DSMT4

2. EMBED Equation.DSMT4 ( )

A. EMBED Equation.DSMT4 B. EMBED Equation.DSMT4 C. EMBED Equation.DSMT4 D. EMBED Equation.DSMT4

3.不等式 EMBED Equation.DSMT4 的解集为(?? )

A. EMBED Equation.DSMT4 B. EMBED Equation.DSMT4 或 EMBED Equation.DSMT4

C. EMBED Equation.DSMT4 D. EMBED Equation.DSMT4 或 EMBED Equation.DSMT4

4.在 EMBED Equation.DSMT4 中, EMBED Equation.DSMT4 , EMBED Equation.DSMT4 , EMBED Equation.DSMT4 ,则 EMBED Equation.3 ( )

A. EMBED Equation.DSMT4 B. EMBED Equation.DSMT4 C. EMBED Equation.DSMT4 D. EMBED Equation.DSMT4

5.设 EMBED Equation.DSMT4 , EMBED Equation.DSMT4 ,则 EMBED Equation.DSMT4 的值为( )

A. EMBED Equation.DSMT4 B. EMBED Equation.DSMT4 C. EMBED Equation.DSMT4 D. EMBED Equation.DSMT4

6.在等差数列 EMBED Equation.DSMT4 中,已知 EMBED Equation.DSMT4 ,则公差d等于(  )

A.3 B.-6 C.4 D.-3

7.不等式 EMBED Equation.DSMT4 的解集为( )

A. EMBED Equation.DSMT4 B. EMBED Equation.DSMT4 C. EMBED Equation.DSMT4 D. EMBED Equation.DSMT4

8. EMBED Equation.DSMT4 内角 EMBED Equation.DSMT4 对边分别为 EMBED Equation.DSMT4 ,已知 EMBED Equation.DSMT4 ,则b等于( )

A. EMBED Equation.DSMT4 B. EMBED Equation.DSMT4 C.2 D.3

9.已知 EMBED Equation.DSMT4 ,那么下列命题中正确的是 ( )