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=37V-4m)m≤3×4+4m-9(当且仅当m=±平∈(-o)U72(0,号)时，等号成立)小所以所求直线的方程为yx十孕或y-212分22.(1)解：，f(x)=e-1-lnx,f(x)=e-1-1,2分设x)=e1-文rx)=e...

质量指标值k利润yP∴.Pn=P(D)+P(E)+P(F)[50,60)5t0.16[60,70)3t0.3=()"+（合）+1+8[1-()门7[70,80)2t0.4[70,80)0.18()1-(号)+门[90,100]-5e'0.047则每个包装胶带...

2.已知函数f(x)=x血x-m(x-l)且f(x)≥0(I)求实数m的取值范围；()设女为整数，且对任意正整数”，不等式+1+3小…1+化恒成立，求k的最小值(mD证明：（2024-<。<(2024

数代r)单调递增，有fa)>f(-0,a)十f0)>f0)+f(-6)=心-26-b+e-8+6=心十e-b,令h(x)=e+ex-x2,有h'(x)=e-ex-2x.令p(x)=e-ex-2x,有9'(x)=e+ex-2≥2√e'·ex一2=0（当且仅当...

必修一UNIT1 LESSON3&WRITING WORKSHOP,VIEWING WORKSHOP,READING CLUB综合评估参考答案及部分解析参考答案1-5 ABCCA6-10 BACCB11-15 BCAAB16-20 CACBA21-25 DBC...

landing every few minutes with food.Cody never tired of watching the finch family.He noticed when their parents came with food,the babies cried.But wh...

两人获胜的概率相等，可将游戏规则修改为：两次郑的点数之·状胜，否则小亮获性题报第⑩期概率初步自我评估参考答案答案速览答案详解-、1.C2.D3.B4.D5.D6.C7.A8.C...

Set a goodHe sad hewoud visit his grandmotherhe came back.country itA.as soon as8.-Do you think Li Kai willB.in order thatC.so thatD.even thoughNorthh...

入司二月考卷8.设a=。b=n2十（e为自然对数的底数)c=n3一号，则教学札记A.a<b<cB.a<c-b【题分折1=h3-号-n专号-n+太hw+之-n0会。C.ba<cD.b<c<a一1=lne气，所以狗间...

试题答案1~5 CCABC 6~10 ABABA 11~15 CBBAB 16~20 BCCAA21~23 CAD 24~27 BADC 28~31 DCAB 32~35 CABD 36~40 DAFBE41~45 ACDBA 46~50 CDBCA 51~55 BADBC56.exactl...

关治图软ENGLISH WEEKLY4高二外研综合(0TJ)掌上周报微信小程序英语周报智能小助手(2023-2024)第5期《英语周振】CORNER听力材料Units13阶段检测听力材料、参考答...

Ⅱ.1.that2.solution3.without4.shopping5.poisonous 6.varieties7.to be8.necessarily9.was treated10.a第l8期A4版Key(One possible version):实战演练Dear frie...

2I.C。理解具体信息。根据The Sheep-Pig介绍内容中的by Dick King-Smith以及Famouslymade into the film Babe,this much-loved animal story turns 40 this year...

注意：WRITING PRACTICE四1.续写词数应为150左右；One possible version:2.请按如下格式作答。写In the final round,Alex found himself facing a seasoned“Mom,...

本版供稿人：河南王宇令汪聪（本版参考答案见下期）第47期参考答案3.compare them with other children /kids2.Don't.wait until the last..minute to do your4....

2三LL9LLL'三2O2C.The challenge of the new researchD.The achievements of the new study.第三部分语言运用（共两节，满分30分）When will the emission off r...

C.Ending up sitting in a penalty chair. D.Calling his sister“that baby”for weeks. 27.What's the best title for the text? A.A mother's concern B.A moth...

B.Las Caletas Beach Hideaway. C.Sunset Cruise. D.Street Food and Taco Tour in Puerto Vallarta.

(Text 3) M:So Jenny,What do you do for a living? W:I work at the local school teaching English.What do you do for a living? M:I'm also an English teac...

第二节（共5小题；每小题2分，满分10分） 根据短文内容，从短文后的选项中选出能填人空白处的最佳 选项。选项中有两项为多余选项。 Why do visitors go to museu...

第二节（满分25分） 阅读下面材料，根据其内容和所给段落开头语续写两段，使 之构成一篇完整的短文。 When she looked around her house,Betty Margaret saw lot...

B I still remember I was 11 years old when I asked my mom for piano lessons in 2010.We were in the fallout of the recession 济衰退).She said a polite“...

painters. W:What's the major difference between the two? M:Well,contemporary artists'works are more abstract com- pared with the classical style of tr...

D.The apps are partly to blame for failure of some delivery business. 35.What can be the best title for the text? A.A special app helping take orders...