专题十平面解析几何考点1直线与圆√26+4，其中点C是点C1关于直线y=x的对称点，1.A【解题思路】本题考查直线与圆的位置关系.由题意当且仅当点P为C2C的延长线与y=x...

6.已知-cosx+sinx=-2,则tanx的值为1+cosx+sinx43B.-D.-3347.蹴鞠又名蹴球，蹴有用脚踢的含义，鞠最早为外包皮革、内充米糠的球。因而蹴鞠就是古人以脚踢皮球的活...

所以h(x)在(0,1)上单调递增，在(1，十0∞)上单调递减，所以h(x)max=h(1)=1,…10分所以a≤1，即实数a的取值范围是（一0∞，1].……………12分21.解：(1)因为a=1a1=4十2a十3...

②当×e3平-2时，(e(2-2sin.x)+(csx+3sin)(2-2sin )+(cos+3sin )+c+2sinx因为-2≤os≤0，-2≤2sn≤-5，所以1+osx+25mx0,所以x02所以代在区间平一孕上单调途减且f-3)-2e...

第4章三角函数学生用书考点集训（二十四）第24讲三角函数的图象与性质题号A组题6.若函数f(x)=2tan(kx+)的最小正周期y1.下列函数中，既是奇函数又以π为最小正周1...

第四章几何图形初步4.4课题学习设计制作长方体形状的包装纸盒建议用时：15分钟教材改编题中考新考法知识点1进一步认识立体图形的展开与5.(综合与实践)在生活中很...

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Wendi painted 38 picture of all the things a四54.What can we do in the zoo?weather girl needed to say.Later,Wendi's 39 visited her weather station.Wen...

4版华师大中考版参考答案第6期主编：卞彩虹责编：韩晶晶排版：赵雅男电子邮箱：huashidashuxue9@126.com数学周刊题报第②期上、下册综合自我评估(B)参考答案答案...

Thank you.部分解析阅读理解第一节A篇主题语境：人与社会一一文化本文是应用文。文章介绍了一次自驾游活动的时间、地点和费用，并且介绍了阿联酋的骆驼文化节。2...

学习方法报苏科八年级形B国内统一连续出版物号：CN14-0706/(F)数学周刊参考答案第2期2023年08月01日第4期参考答案第4课时线段垂直平分线的性质又因为BD⊥AC,CE⊥AB...

20232024学年第一学期九年级期中质量监测试题（卷)数学注意事项：1、本试卷分第I卷和第Ⅱ卷两部分.全卷共8页，满分120分，考试时间120分钟2、答案全部在答题卡上...

上期参考答案B1-B4版But don't worry,because I have asked my friend Wangto attend the program.I was scheduled to begin classes1-5 BCBAC6-10ABABC11-15 BC...

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94+92=93,所以B正确：对于C远项：这10个数的极差为30，方差为(70-89)2+(85-89)7+(86-89)2+(88-89)2+2×(90-89)2+(92-89)2+(94-89)2+(95-89)2+(100-89)20=58,标准...

Games.Rarely has a sports team in China gotten praise and admiration as much as the Chinawomen's national volleyball team.As a sports lover,I want to...

like these are important...The disgust-related vocabulary terms used by the parents...help kidslabel the feeling.可推知，父母在帮助孩子学习不熟悉的情...

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going home except her.She would be moving第三部temporarily to another dorm for the Christmasbreak.Instead of enjoying homemade pies,cookiesand roast t...

B.Wolves can't understand people like dogs can17.According to the last two paragraphs.we can conclude that_C.Understand the special bond between dogs...

小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。听第6段材料，回答第6、7题。6.What does the man mainly work as?A.A singer.B.A dan...

■■■■英语参考答案第一部分听力（共两节，每小题1.5分，满分30分）1~5 BBACC6~10 CABAC11~15 CBBAC16-20 CBAAA第二部分阅读（共两节，满分50分）第一节（共15小题...

56.studying57.with58.to identify59.that /which60.called61.materials62.stronger63.and64.his65.widely写作第一节One possible version:Good afternoon,every...

Weto the bathontheirsmartphone and many couldn't manage without one.possible ham of rdio wave r uhat they c bave on your workotheeakerlibrainlection y...

第二部分 阅读（共两节，满分30分) 第一节（共4小题；每小题5分，满分20分） 阅读下面短文，从每题所给的A、B、C、D四个选项中选出最佳 选项。 In the mid-1990s...

听力部分录音材料 (Text 1) M:Wendy,don't you think it's time to set the table?I'm busy with the fish. W:My favorite show will begin right away.I can he...

spend at least 30 minutes a day with it.This might mean pla- ying,hugging or training,but the important thing is that you're making your pet know it's...