吉林省长春市长春外国语学校2020-2021学年七年级下学期期末英语试题

吉林省长春市长春外国语学校2020-2021学年七年级下学期期末英语试题
吉林省长春市长春外国语学校2020-2021学年七年级下学期期末英语试题

2020年吉林省名校调研(省命题A卷)中考数学二模试卷 (解析版)

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A.m B.a sin23°m C.m D.a tan23°m 二、填空题(每小题3分,共24分) 7.计算:6?cos60°﹣(﹣1)0=. 8.设m是一元二次方程x2﹣x﹣2019=0的一个根,则m2﹣m+1的值为. 9.如图.E是正方形ABCD的边DC上一点.连接AE.将AE绕若点A顺时针旋转90°得到AF.连接EF、BF.若AB=3,DE=1,则EF的长为. 10.如图,在平面直角坐标系中,点A(2,4)和点B(n,2)在反比例函数的图象上,过点A作AC⊥x轴于点C,连接AB、BC,则△ABC的面积为. 11.如图,AB∥CD∥EF.若AD:AF=3:5,BC=6,则CE的长为. 12.如图,一位同学通过调整自己的位置,设法使三角板DEF的斜边DF保持水平,并且边DE与点B在同一直线上,已知两条边DE=0.4m,EF=0.2m,测得边DF离地面的高度AC=1.5m,CD=8m,则树高AB为m.

吉林省长春外国语学校高三第一次月考

20XX年中学测试 中 学 试 题 试 卷 科目: 年级: 考点: 监考老师: 日期:

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2018年吉林省长春市名校调研(市命题)中考数学模拟试卷

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