参考答案所以Qi.Q心易知x=e为函数g(x)在(0，十∞)内唯一的极小值点，也=(←mA应-是mA)·[(1-子m)心-是mA是最小值点，--(-)应，花+品m恋故gx)=ge)=-即(1+）)=1-子m(1...

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...

二全国0©©所名校高考模拟金典卷二、选择题：本题共4小题，每小题5分，共20分.在每小题给出的选项中，有多项符合题目要求全部选对的得5分，部分选对的得2分，有选...

教学三、解答题：本题共3小题，共52分.解答应写出文字说明、证明过程或演算步骤札记9.(17分)已知数列{an}满足(1+6a1)(1十6a2)(1+6ag)(1十6an)=an.(1)证明：数列...

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...

学习方法报国内统一连续出版物号：CN14-0706/(F)数学周刊华师大中考版参考答案第3期2023年09月05日第7期参考答案三、解答题（共44分）15.(每小题6分，共12分)24....

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...

questioned myself一who was I,if not the perfect student可知，作者进入高中后时常感到焦虑。29.A。推断。根据第三段中的My parents didn't understand.From w...

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...

(2)解：以P为原点，PA,PC所在直线分别为y,之轴，建立如图所示的空间直角坐标系，则A(0,1,0),B(1,1,0),C(0,0,2),D3,,1W.…6分设平面PAD的法向量为n=(c,y,),Pi=(0,1...

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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...

■■■■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...

综合能力评估试题(17)参考答案及部分解析参考答案1-5 ABCBC6-10 ACABC11-15 AABBC16-20 ACACB21-25 ACCBD26-30 BDACD31-35 DBABA 36-40 FDAEG41-45 DBACD 46-50...

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...

A.It kills viruses. B.It smells nice. C.It tastes good. 听第10段材料，回答第17至20题。 17.What is Gapstow Bridge made of? A.Wood. B.Stones. C.Iron. 18...

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...

【答案与解析】 21.C细节题。根据第1段第2句可知，如果升级行程，就可以得 到伦敦眼的观光票，鸟瞰整个伦敦市。由此可知伦敦眼是需要 额外付费的旅游项目。 22.D...

第二节（共10小题；每小题1.5分，满分15分) 阅读下面短文，在空白处填入1个适当的单词或括号内单词的 正确形式。 Generations in the United States 41 (define)...

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...

19.How did the restaurant owner acknowledge the speaker's work? A.He paid her a high salary. B.He offered her free meals. C.He gave her a discount on...

After their bus 55 outside of Denver,they unexpectedly got 56 and arrived in Yosemite National Park three weeks later, just in time for the "Yosemite...

Paragraph 2: “She's just so full of love,”said a student.,“She just loves seeing us,and we love seeing her too.Tinney is proof positive that when we p...