六、解答题（本大题共12分）23.【特例感知】②如图2，若点F是AD的中点，LEFC=90°，则EFCF图1图2【类比探究】BD相交于点M，连接EF交AC于点G.（2）①如图3，若E，F分别是AB，AD的中点，求tanLEFC的值；②如图4,若LEFC=60°，求证：EF·AD=AF·CF.【拓展延伸】AD，点E为AB的中点.若LA=LDCE=45°，（3）如图5，在四边形ABCD中，BC//AD，且BC=请直接写出CE我再果！图5图4图38905
6.已知函数f（x）的定义域为R，且f（x）一x²是奇函数，f（x)十x是偶函数，设函数g（x）=8满酵小本[f(x),0≤x≤1,(2g（x一1），x>1.答案解析网D合集味8合集团A. 13B.13NA.8U0茶344二、选择题（本大题共2小题，每小题6分，共12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6分，部分选对的得部分分，有选错的得0分）7.若ab+19 8.已知奇函数y=f（x)（x∈R)在区间(0，+∞)上单调递减，且f（2)=0,则有A. f(-2)=0B.当xE[0,2)时，f（x)>0C.函数f(x)在区间(一∞o,0)上单调递减答案解析网D.不等式xf(x)
(上接第1、4版中缝) LEARNINGPart3ENGLISH 6 T ENGLISH1 . 1. was supervised(上接第2版)2. Fried第二节（共5小题；每小题2.5分，满分12.5分）3. pursesO, I am finally a ballerina, though not the阅读下面短文，从短文后的选项中选出可以4. have sewnney to see on stage. Why do I continue?项。选项中有两项为多余选项。class, I focus on my breathing and move 5. (had) acquiredHave you ever been pressured to have one morellenge me and remind me of everythingⅡ. 1. attend tothan you said you'd be home?_36Peer(同龄人)acher taught us a simple version of the 2. am keen toby which members of the same social group inffuenc）from Sleeping Beauty. As I stood on3. assist the companly in expandingthings that they may be resistant to do. Dealing wit myself in the studio, I felt every inch adifficult, but below are some ways to help address it.its customer basea ballet class?Instead of quickly agreeing to do something yot4. There is no point in pursuingB. To develop physical skills.（停顿）and takeafewdeepbreathswhensomeol 5. my priorityD. To find a hobby.answer. _37_ It's easier to resist the pressure when第3版er first class?space between yourself and the situation.C. Relieved.D. Excited.完形填空38_If it's because all of your friends are ddn practicing ballet?1-5 CBDACthey won't talk to you if you don't join them, tB. Passion and teamwork.6-10 BDACBreconsider. You deserve to surround yourself with11-15 DABDCrespect your decisions.ection.:Xt?阅读理解Life1-4 BDCAnal Ballerina第一节（共15小题；每小题1分，满分15分)阅读填空Ballet Career1-5 DEFAG阅读下面短文，从每题所给的A、B、C、I: for Perfection第4版选项。Finley-Jay is only eight years old, yet his 1【范例展示】difference shines brightly. Inspired by a social 1However, since Jin's conditionIs spoken per day fell from about 16,000"Hit the Ambulance Gamers", which highlightsarch is needed to determine the reason forstabilized, he suggested thatmmunication tools, including texting andhe creates and _41_ goody bags to ambulance criI no longer Heed to pursuereason," Mehl says.the UK, to bring joy to the hardworking paranjut women?further eduoatlon.He thoughtmore than just _42_, they serve as a reminder 0n in early childhood.that with his health no longeron others.n in early adulthood.a pressing concern, we couldM at certain ages.The boy44_his goody bags with chocolen at all ages.return to our previous roles. Hegifted to him by friends and family. He also 'est for women talking more?would take up his position ascontaining various items suited to Easter, Hallc"I am so proud of him," says his mom, Jthe primary breadwinner again,have some spare time, you can _46_ find Finland I could focus on managing(分发) little bags that he has _47 for evethe household and caring for our Aehl agree with according-to paragraph 3?Emergency Room. He is so _48 that Shrechildren. However, I explained ed by factors beyond gender.know him now." The hospital's nursing directr more than gender.that continuing my educationher _49_, "What a lovely and kind gesture b:t your personality.was no longer just about financialcrews all look forward to the kind boy's _50ch you speak.sccurity; it was about fulfilling a: in the number of words spoken per day?smile to the crews while they are sending a 1newfound passion and provingmother.ns.my capabilities/I wantcd to show第二节（共10小题；每小题1.5分，满分15m methods.our children thnt it's never too.-nication
19:45 三0X(D)04.IVIy03.llugem1'0007.KII0WSI1'0069.quite 70.first71.minutes72. anything73.(to)save评分说明：凡与以上各小题答案不一致的，均不得分。英语答案第1页 (共2页)九、书面表达（共15分）Onepossibleversion:Healthy eating plays an important role in our lives. It helps our bodies grow strong andkeeps us from getting sick easily.I have some good eating habits.I always eat fruit and vegetables. They're good for myhealth.Also,I drink milk every day.It gives me energy for the morning.However,Ihave badeating habits too. Sometimes, I eat too much junk food like chips. I don't like drinking water,so I often drink juice.To improve my eating habits, I will try to eat less junk food. I will also drink morewater. I believe these changes will make a difference.评分参考：本题总分为15分，根据内容要点，按所写篇章语法结构和词汇运用的数量，篇章的准确性、连贯性及得体性，分五个档次给分。第五档（13~15分）涵盖了所有内容要点，运用了较多的语法结构和词汇，有少量错误（1个句子结构、时态、语态等方面的错误或1～2个名词复数、第三人称单数、拼写、标点符号、大小写等方面的错误），但是是由于使用较复杂的表达方式所致；有效地使用了语句间的连接成分，使全文结构紧凑，内容充实，体现了活跃的思维和清晰的逻辑，具备较强的语言运用能力，完全达到了预期的写作目的。第四档（10～12分）涵盖了所有内容要点，运用的语法结构和词汇能满足任务的要求，有一些语法结构或词汇方面的错误（2个句子结构、时态、语态等方面的错误或3～4个名词复数、第三人称单数、拼写、标点符号、大小写等方面的错误），但不影响对所写内容的理解；运用了简单的语句间的连接成分，使全文内容连贯，内容完整，表达清楚，基本达到了预期的写作目的。第三档（7~9分）漏掉了一个内容要点，运用的语法结构和词汇能基本满足任务要求，有一些语法结构或词汇方面的错误（3个句子结构、时态、语态等方面的错误或5～6个名词复数、第三人称单数、拼写、标点符号、大小写等方面的错误），但不影响对所写内容的理解；运用了简单的语句间的连接成分，内容连贯，信息得到较为清楚的传达。第二档（4~6分）漏掉了两个内容要点，语法结构简单，词汇贫乏，有较多的语法结构或词汇方面的错误（4个句子结构、时态、语态等方面的错误或7～8个名词复数、第三人称单数、拼写、标点符号、大小写等方面的错误)，影响了对所写内容的理解，缺乏语句间的连接成分，内容不连贯，信息未能清楚传达。第一档（0~3分）明显遗漏了主要内容，写了一些无关内容，有大量的语法结构或词汇方面的错误（5个以上句子结构、时态、语态等方面的错误，或9个以上名词复数、第三人称单数、拼写、标点符号、大小写等方面的错误），所写内容无法理解，信息未能传达。注：1.评分时，先确定所属档次，然后根据该档次的要求来衡量，确定或调整档次，最后给分。2.词数少于60的，从总分中扣去1分。3.如书写较差，以致影响理解的，可扣去1～2分。英语答案第2页(共2页）姓名准考证号山西省2024—2025学年七年级第二学期阶段一质量检洲保存整页为图片>凸周晋文源资讯号晋文源教育赞推荐写留言18
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