2023届普通高等学校招生全国统一考试 12月青桐鸣大联考(高三)(新教材)数学试卷答案(更新中)

2023届普通高等学校招生全国统一考试 12月青桐鸣大联考(高三)(新教材)数学试卷答案(更新中)，目前我们已经整理了2023届普通高等学校招生全国统一考试 12月青桐鸣大联考(高三)(新教材)数学试卷答案(更新中)的各科答案和试卷，更多试卷答案请关注本答案网。

第一节【参考范文】Among the colorful after-school activities,I like playing basketball with my friends best.After school,we practise playing basketball on a regular basis,which strengthens our bodies and enriches our campus life.Besides,playing basketball to relax after a whole day's study can refresh our mind,thus relieving stress and enhancing learningefficiency.What's more,basketball highlights joint efforts,which shape us into better individuals with good team spirit.英语参考答案（长郡版）一3Still,it would be better if our school provided more kinds of after-school activities like cooking,sewing and planting plantsfor us to choose from and more students joined for health and mental benefits.

x=5-22.解：(1)由(t为参数)，得√3x十y一6=0，y=3+3所以直线l的极坐标方程为W3pcos0+psin0一6=0，3分由pcos20=sin0,得(pcos0)2=psin0,所以曲线C的普通方程y=x2.5分W3x+y-6=0,(2)由y=x2,解得2..6分y=12,由于直线（与曲线C在直角坐标系第一象限交于点A,所以点A(√3,3)，将.点A(3,3)转化为极坐标为A(2B,),所以0A=23,因为点B的板坐标为(4，否)所以OB=4,∠AOB=T一π=π3669分所以S△aB=20A·OB·sin∠A0B=2×23X4X2=2.10分