初中英语重要句型梳理,中考英语写作中常见的12种句型总结含例句与翻译可下载打印版
初中英语句型结构总结
初中英语句型结构总结1.主语+动词+宾语例如：I eat an apple.（我吃了一个苹果）2.主语+动词+间接宾语+直接宾语例如：My mother bought me a new book.（我妈妈给我买了一本新书）3.主语+动词+宾语+宾语补足语例如：She made him happy.（她让他开心）4.主语+动词+宾语+宾语补足语+宾语补足语补足语例如：We elected her the monitor of the class.（我们选她当班长）5.主语+动词+副词例如：He runs fast.（他跑得快）6. 主语 + be 动词 + 表语例如：I am a student.（我是一个学生）7. There be 句型例如：There is a pen on the desk.（桌子上有一支笔）8. 主语 + do/does/did + 动词原形例如：She does her homework every day.（她每天做作业）9. 主语 + have/has + 动词过去分词例如：I have finished my homework.（我已经完成了作业）10. 主语 + be + 动词-ing例如：He is playing soccer.（他正在踢足球）11. 主语 + be + 表语例如：She is a doctor.（她是一名医生）12. 主语 + be + 动词过去分词例如：The cake is eaten.（蛋糕被吃掉了）13. 主语 + vt. + 宾语 + to do例如：He asked her to help him.（他请求她帮助他）14. 主语 + vt. + 宾语 +doing例如：I heard him singing in the shower.（我听见他在淋浴时唱歌）15. 主语 + vt. + 宾语 + for + 宾语 + to do。
初中英语句型的总结归纳
初中英语句型的总结归纳初中英语学习中，句型是我们学习和应用语法知识的基础。
通过掌握并熟练运用不同的句型，我们能够更准确地表达自己的意思，提升英语口语和写作能力。
本文将对初中英语中常见的句型进行总结归纳。
一、陈述句句型1. 主语 + be动词 + 表语例如：I am a student.（我是一个学生。
）2. 主语 + 动词 + 宾语例如：She likes playing basketball.（她喜欢打篮球。
）3. 主语 + 动词 + 间接宾语 + 直接宾语例如：My mom bought me a new book.（我妈妈给我买了一本新书。
）4. 主语 + 动词 + 宾语 + 宾补例如：We elected him president.（我们选举他为总统。
）二、疑问句句型1. 疑问词 + be动词 + 主语 + 表语？例如：What is your name?（你叫什么名字？）2. 疑问词 + 动词 + 主语 + 宾语？例如：Where did you go last night?（你昨晚去哪里了？）3. 特殊疑问句：疑问词 + 动词 + 其他成分 + 一般疑问句？例如：How many books do you have?（你有多少本书？）三、否定句句型1. 主语 + do/does/did + not + 动词原形例如：I do not like swimming.（我不喜欢游泳。
）2. 主语 + be动词 + not + 表语例如：He is not a doctor.（他不是医生。
）四、祈使句句型1. 动词原形 + 宾语例如：Open the window.（打开窗户。
）2. Let + 宾语 + 动词原形例如：Let me help you.（让我来帮你。
）五、感叹句句型1. What + a/an + 形容词 + 名词 + 主语 + 动词！例如：What a beautiful flower it is!（多么漂亮的花啊！）2. How + 形容词/副词 + 主语 + 动词！例如：How fast he runs!（他跑得多快啊！）六、条件句句型1. if + 现在时态，将来时态例如：If it rains, we will stay at home.（如果下雨，我们会呆在家里。
2023年中考英语重点句型汉译英一整理
2023年中考英语重点句型汉译英一整理今日我为大家（总结）了学校英语重点句型汉译英，这些句型都是平常我们在课本中学习的重要句型，大大小小的考试中常常消失的考点，大家应当熟记并把握，才能为高中阶段的（英语学习）打下坚实的基础。
大家抓紧学习起来吧。
重点句型汉译英一1 as soon as我一到那就给你打电话。
Ill call you as soon as I arrive/ get to/ reach there。
我刚旅行回来就见到了爷爷。
I saw grandpa as soon as I came back from the trip。
他一到家就开头下雨了。
As soon as he got home，it began to rain。
2 asas李平做作业不如Lucy细心，所以她老犯同样的错误。
Li Ping doesnt do homework as carefully as Lucy，so she always makes/ keeps making the same mistake。
我和他一样高。
Ii am as tall as him。
他跑得不如你快。
He doesnt run as quickly as you。
3 asas possible我会尽快给你打电话。
I will call you as soon as possible。
请尽早起床。
Please get up as early as possible。
学英语的最好（方法）是尽可能多听，多说。
The best way to learn English well is to listen and speak as much as possible。
4 ask sb。
for sth。
你可以向那边的警察求助。
You can ask the policeman for help。
无论她要什么，父母都会为她找到。
No matter what she asks for，her parents will try to get it。
初中英语写作中常见的十二种句型及语法汇总
初中英语写作中常见的十二种句型及语法汇总初中英语写作中常见的十二种句型句型(一)such+名词性词组+thatSo+形容词/副词+that如此以致例如：(1)She is such a good teacher that we all love her.她是一个好老师，我们都爱她。
(2)It was such a hot day that they didnt go out for a walk as usual.这么热的天气，他们没有像往常一样去散步。
注意点：1.such+a+形容词+名词+that，可以改写成：so+形容词+a+名词+that，例句(1)可以改写成：She is so good a teacher that we all love her.2.在such+形容词+名词复数或不可数名词+that结构中，形容词如果是many/few或much/little时，用so不用such，即：so+many/few+可数名词复数+that，so+much/little+不可数名词+that(1)There are so many people in the room that I cant get in.房间里人太多，我进不去。
(2)The man has so much money that he can buy a car.那人很有钱，他能买一辆小汽车。
句型(二)There be，eitheror，neithernor，not onlybut also例如：(1)There is a pen and two pencils in his pencil-box.他的铅笔盒里有一支钢笔和两支铅笔。
(2)Not only you but also I have been to the Great Wall.你和我都没有去过长城。
(3)Either you or I am leaving for Shanghai.要么你去上海，要么我去上海。
中考英语作文万能句型
1.开篇引入句型：It is universally acknowledged that...众所周知......With the development of society,we come to realize that...随着社会的发展，我们开始意识到......2.观点陈述句型：I am convinced that...我坚信......From my perspective,it is...在我看来，这是......3.原因分析句型：There are several reasons for.........有几个原因。
The reasons for...mainly include.........的主要原因包括......4.举例说明句型：For instance/example,...例如，......Take...for example,...以......为例，......5.对比和对照句型：On the one hand,...On the other hand,...一方面，......另一方面，...... Compared with...,...与......相比，......6.结果阐述句型：As a result,...结果，......Consequently,...因此，......7.提出建议或解决方案句型：It is advisable to...建议......There is no doubt that enough concern must be paid to the problem of...毫无疑问，必须充分关注......的问题8.总结句型：In conclusion,...总之，......All in all,...总的来说，......9.强调句型：It cannot be emphasized too much that...再怎么强调......也不为过。
初中英语句型及总结归纳
初中英语句型及总结归纳英语是我们学习的一门重要课程，而句型是英语中的基础。
在初中英语学习中，我们掌握了许多常用的句子结构，这些句型在日常交流和写作中都起到了关键的作用。
本文将对初中英语的句型进行总结归纳，帮助大家更好地掌握和运用这些句型。
一、陈述句陈述句是我们最常用的句子类型，用来陈述事实、描述情况。
以下是一些常见的陈述句型：1. 主语 + 动词 + 宾语例如：I like pizza.（我喜欢比萨。
）2. 主语 + be动词 + 表语例如：She is a teacher.（她是一名教师。
）3. 主语 + do/does + 动词原形例如：They do their homework every day.（他们每天做作业。
）4. 主语 + have/has + 过去分词例如：He has finished his homework.（他已经完成了作业。
）二、疑问句疑问句用于提问，帮助我们获取信息。
以下是一些常见的疑问句型：1. 疑问词 + 助动词 + 主语 + 动词？例如：What do you like?（你喜欢什么？）2. 助动词 + 主语 + 动词？例如：Do you play basketball?（你打篮球吗？）3. 特殊疑问句例如：Where did you go yesterday?（你昨天去哪里了？）三、祈使句祈使句用于表达请求、命令或建议。
以下是一些常见的祈使句型：1. 动词原形 + 其他成分例如：Open the window, please.（请打开窗户。
）2. 动词原形 + 不定代词/名词例如：Eat some fruit.（吃些水果。
）四、感叹句感叹句用于表达惊讶、赞美、喜悦等情感。
以下是一些常见的感叹句型：1. How + 形容词/副词 + 主语 + 动词！例如：How beautiful the flowers are!（花儿多美啊！）2. What + 形容词 + 名词 + 主语 + be动词！例如：What a lovely dog he has!（他有一只多可爱的狗啊！）五、条件句条件句用于表达假设、条件和结果之间的关系。
初中英语句型大全汇总及例句
初中英语句型大全汇总及例句句型1: What is your favorite food?- My favorite food is pizza.- 我最喜欢的食物是披萨。
句型2: What did you do last weekend?- Last weekend, I went hiking with my friends.- 上个周末，我和朋友去爬山了。
句型3: How do you go to school?- I usually go to school by bus.- 我通常乘公交车上学。
句型4: Why do you like English?- I like English because it sounds beautiful.- 我喜欢英语是因为它听起来很美。
句型5: Can you tell me about your family?- Sure, I have a small family. My parents and I live together.- 当然，我家庭很小，我和父母住在一起。
句型6: What is your dream job?- My dream job is to become a doctor and help people.- 我的梦想工作是成为一名医生，帮助他人。
句型7: Have you ever been to the Great Wall?- Yes, I have been to the Great Wall. It was amazing!- 是的，我去过长城，那里很棒！句型8: What do you like to do in your free time?- In my free time, I like to read books and listen to music.- 我空闲时间喜欢读书和听音乐。
句型9: Where is your favorite place to visit?- My favorite place to visit is Paris because of its beautiful architecture.- 我最喜欢去的地方是巴黎，因为那里有美丽的建筑。
中考英语必备考试句型句及例句
一、常考重点句型：1. be ＋ afraid of doing / to do /that从句2. be ＋ busy doing sth./ with sth.3. be ＋ famous / late /ready / sorry +for sth.4. make/ let /have sb. (not) do sth.5. ask / tell /want sb. (not) to do sth.6. give/ buy/ lend/ sb. sth.7. tell/ ask sb. how to do sth.8. It’s time +for sb. to do sth.9. It’s ＋形容词＋for/of sb. to do sth.10. would rather do...11. had better do sth.12. It’s ＋better/ best to do sth.13. enjoy/ finish/ practice/ mind/feel like ＋ doing sth.14. stop ＋to do (doing) sth.15. keep/ stop/ prevent sb. from ＋doing sth.16. prefer ＋宾语＋to ＋宾语17. used to do sth.18. be/get/become ＋used to ＋doing sth.19. 含有too ... to do sth.结构的句型20. 含有so...that的句型21. It ＋takes/took ＋sb. ＋to do sth.22．spend ＋名词＋on sth./ doing sth.23. see/ hear/ watch sb. do/doing sth.24. What’s wrong / the matter with ＋sb./ sth.25. Thanks for + doing sth.26．.. What/ How about ＋doing sth.27. Let’s do...28. The ＋形容词/副词的比较级＋主语＋谓语，the ＋形容词/副词的比较级＋主语＋谓语29. 表示比较的三个句型30. sth. /sb. be (am, is, are) three meters long (wide, high, tall...) 某物/某人有三米长/宽/高……31. It’s two years / has been two years +since 从句32. both...and...连接主语的句型33. neither ...nor... 连接主语的句型34. There is something /nothing wrong with sth 某物出毛病了（没毛病）35. Why not do .../ Why don’t you do ... 为什么不......36. Will / Would /Could you please do sth 请你做某事好吗37. Would you like (sb.) to do sth. 与Would you mind doing sth.38. 含有as soon as的句型39. 含有not...until的句型40. 含有for+ some time的句型41. be supposed/ willing to do...应该做某事42. 主语＋find ＋it ＋形容词＋动词不定式43. It seems that +从句44. I think/ believe/ feel/ agree that...及I agree/ disagree with you.45. I don’t think +宾语从句46. What do you mean by/ What does ...mean 是什么意思47．What do you think of…/How do you like …你认为…怎么样48. What + be + 主语 + like ...什么样49．It’s said/ reported that…据说/据报道50. one of the +形容词最高级+名词复数 ...…其中之一二、中考经常考到的重点句型详解：1. be ＋ afraid of doing / that 从句这个句型表示“某人害怕做某事”，be动词随着句子的主语人称和数的变化而变化。
初中英语作文常用句型50句
初中英语作文常用句型50句以下是为您编写的初中英语作文常用句型1-5 句：1. It's + adj. + for sb. to do sth. （对某人来说做某事是......的）例句：It's important for us to learn English well. （对我们来说学好英语是重要的。
）中文解释：这个句型常用于表达做某事对于某人的性质或特点。
2. There be + 主语+ 地点/时间（在某地/某时有......）例句：There are many books on the desk. （桌子上有很多书。
）中文解释：用于描述某地存在某物或某时发生某事。
3. I think + 宾语从句（我认为......）例句：I think he is a good student. （我认为他是一个好学生。
）中文解释：表达个人的想法、观点。
4. How about/What about + doing sth. （......怎么样？）例句：How about going shopping this afternoon? （今天下午去购物怎么样？）中文解释：用于提出建议或询问关于做某事的看法。
5. It takes/took sb. some time to do sth. （某人花费一些时间做某事）例句：It took me two hours to finish my homework. （我花了两个小时完成作业。
）中文解释：强调做某事所花费的时间。
以下是6 -10 个与学校生活和学习相关的初中英语作文常用句型及例句、中文解释：6. It is important for sb. to do sth. （对某人来说做某事是重要的）- It is important for us to study hard. （对我们来说努力学习是重要的。
）解释：强调做某事的重要性。
初中英语常见句型归纳
初中英语常见句型归纳
1.主语+ be 动词+ 形容词
2.主语+ 动词+ 宾语
3.主语+ be 动词+ 名词
4.主语+ have/has + 宾语
5.主语+ can/may/must + 动词原形
6.主语+ should/ought to + 动词原形
7.主语+ would like/want/need + to + 动词原形
8.主语+ there be + 名词
9.主语+ be going to + 动词原形
10.特殊疑问句：疑问词+ be 动词+ 主语/其它补充说明
11.一般疑问句：be 动词/助动词+ 主语+ 其它补充说明
12.反意疑问句：陈述部分+ , + 反意疑问部分
13.祈使句：动词原形+ 其它补充说明（无主语）
14.感叹句：How + 形容词/副词/名词+ 主语+ 动词/情态动词
以上是初中英语中常见的句型归纳，需要注意的是，不同的句型在不同的语境中会有不同的用法，我们需要根据实际情况进行适当调整。
同时，英语学习也需要大量的练习和实践，只有通过不断地使用，才能够真正掌握这些句型，流利地运用它们来表达自己的思想。
初中英语句型结构大全及例句
初中英语句型结构大全及例句
一、疑问句：
1.情态动词：
(1) Can / Could you do sth? 你能做事吗？
Eg. Can you speak English? 你会说英语吗？
(2) Must / Have to I do sth ? 我必须做事吗？
Eg. Must I hand in the report tomorrow? 我明天必须递交报告吗？
(3) Shall I do sth ? 我应该做事吗？
Eg. Shall I go to the teacher now? 我现在去找老师好吗？
2.动词：
(1) Do you do sth ? 你做事了吗？
Eg. Do you like music? 你喜欢音乐吗？
(2) Is / Are there sth ? 有物吗？
Eg. Is there a supermarket near here? 这附近有超市吗？
(3) Where / When / Who / What / How / Why / Which ? 什么地方
／什么时候／谁／什么／怎么／为什么／哪一个？
Eg. Where is the nearest post office? 最近的邮局在哪里？
二、陈述句
(1)否定句：
(2)否定句+疑问句：
(3)祈使句+否定句：
Eg. Don't worry about it. 别担心它。
(4)主语+谓语：
Eg. I have to go now. 我现在必须走了。
(5)主语+谓语+宾语：
Eg. He likes playing football. 他喜欢踢足球。
英语作文必背作文句型初中
英语作文必背作文句型初中1. 开头句型：- It is universally acknowledged that...（众所周知...）- There is a growing concern over...（人们越来越关注...）- As the proverb goes, "No pain, no gain."（正如谚语所说，“没有付出就没有收获。
”）2. 观点对比句型：- On the one hand, some people argue that... On the other hand, others believe that...（一方面，一些人认为...另一方面，其他人相信...）- While some may think that..., others hold the opposite opinion that...（当一些人可能认为...时，其他人持有相反的观点...）3. 原因分析句型：- There are several reasons why...（有几个原因为什么...）- The reasons for... are as follows.（...的原因如下。
）4. 举例说明句型：- For instance, we can observe...（例如，我们可以观察到...） - A case in point is...（一个恰当的例子是...）5. 结果阐述句型：- As a result, ...（因此，...）- Consequently, ...（因此，...）6. 提出建议句型：- It is suggested that...（建议...）- It is advisable to take the following measures.（建议采取以下措施。
）7. 总结句型：- In conclusion, ...（总之，...）- To sum up, ...（总结起来，...）8. 强调句型：- It is important to remember that...（重要的是要记住...） - Notably, ...（值得注意的是...）9. 引用句型：- As Einstein once said, "Imagination is more important than knowledge."（正如爱因斯坦曾经说过，“想象力比知识更重要。
初中英语重点句型归纳
初中英语重点句型归纳一、陈述句型1. 主语 + be动词 + 表语例句：I am a student.2. 主语 + 动词 + 宾语例句：Tom likes playing basketball.3. 主语 + 动词 + 间接宾语 + 直接宾语例句：My mother bought me a new book.4. 主语 + 动词 + 宾语 + 宾语补足语例句：We elected him monitor.5. 主语 + 动词 + 宾语 + 宾语补足语 + 宾语补足语例句：They made him chairman.6. 主语 + do/does + not + 动词原形例句：She does not like swimming.7. Do/Does + 主语 + 动词原形例句：Do you like English?8. 主语 + have/has + 过去分词例句：He has finished his homework.9. 主语 + have/has + not + 过去分词例句：They haven't seen the film yet.10. Have/Has + 主语 + 过去分词例句：Have you ever visited Beijing?11. There be句型例句：There is a book on the desk.12. It be + adj. + 不定式例句：It is important to learn English well.13. It is + adj. + for + 人 + to + 不定式例句：It is difficult for me to solve the math problem.二、疑问句型1. Yes/No问句：句型为：Do/Does + 主语 + 动词原形?例句：Do you like English?2. 特殊疑问句：以特殊疑问词（what, where, when, why, who, how等）开头。
中考英语作文万能句大集结
中考英语作文万能句大集结第一篇：中考英语作文万能句大集结一.重点句型1).It’s adj for sb to do 做…对某人来说…2).… so … that … 如此… 以至于…such … that … 如此… 以至于…… too … to do 太… 而不能…3).not…until… 直到…才…4).The reason why + 句子 is that + 句子… 的原因是…例： The reason why he got angry was that she told him a lie.(他生气的原因是她对他说了谎。
)5).That is why + 句子那是…的原因6).That is because + 句子那是因为…7).It is said that + 句子据说…It is reported that + 句子据报道…8).There is no doubt that + 句子毫无疑问…9).As w e all know, +句子据我们所知10).There is no need to do 没必要做…2.提建议had better(not)do 最好(不)做how about / what about doing …怎么样？I think you should do 我认为你应该…I suggest / advice that you should do 我建议你做…If I were you, I would do… 我要是你的话，我会做…It’s best to do 最好做…Why not do / why don’t you do…? 为什么不…3.表示喜欢和感兴趣like / love doingenjoy doingbe fond of doing 喜欢做…be keen on n/doing 喜欢做…prefer to do A rather than do B 宁愿做A也不愿做Bbe interested in doing = show/ take great interest in n / doing4.努力做…try to do努力做…strive to do 努力做…try one’s best to do = do one’s best to do 竭尽全力做…make efforts to do = make every effort to do 尽力做…do what sb can(do)to do 尽力做…spare no effort to do 不遗余力的做…do what / everything sb.can to do 尽某人全力做…5.打算做… / 计划做…intend / plan to do 打算做…be going to do 打算做…decide to do 决定做…determine to do决定做…be determined to do决定做…make up one’s mind to do 下定决心做…6.表示想/希望want to do = would like to do 想做…hope to do 希望做…expect to do 期待着做…wish to do 希望做…consider doing 考虑做…7.只加doing 作宾语的动词finish 完成practice 练习suggest建议consider 考虑mind 介意enjoy 喜欢doing8.固定句型look forward to doing 盼望做…keep on doing 坚持做…dream of doing 梦想做…can’t help doing 情不自禁地做…keep / stop / prevent sb.from doing 阻止某人做…be busy(in)doing be busy with + 名词忙于做…spend time / money(in)doing spend time / money on +名词花费时间做…have fun / have a good time / enjoy oneself doing 玩得开心have trouble / have problem / have difficulty(in)doing 或with + 名词做…有困难二.就我的看法……；我认为……In my opinion, … = To my mind, …= As far as I am concerned, … = I am of the opinion that …例：In my opinion, playing video games not only takes much time but is also harmful to health.就我的看法打电动玩具既花费时间也有害健康。
中考作文常用句型短语
中考常用句型一、~~~the + ~ est + 名词+(that)+ 主词+ have ever + seen (known/heard/had/read, etc) ~~~ the most + 形容词+ 名词+(that)+ 主词+ have ever + seen(known/heard/had/read, etc) Helen is the most beautiful girl that I have ever seen.海伦是我所看过最美丽的女孩。
r. Chang is the kindest teacher that I have ever had.二、Nothing is + ~~~ er than to + VNothing is + more + 形容词+ than to + V例句：Nothing is more important than to receive education.没有比接受教育更重要的事。
Nothing is more important than to potect our environment.没有什么比环保更重要的事。
Nothing is more important than to gain knowledge.没有什么比学习知识更重要的事。
三、~~~ cannot emphasize the importance of ~~~ too much.(再怎么强调...的重要性也不为过。
)例句：We cannot emphasize the importance of protecting our eyes too much.我们再怎么强调保护眼睛的重要性也不为过。
We cannot emphasize the importance of education.我们再怎么强调教育的重要性也不为过。
四、There is no denying that + S + V ...(不可否认的……)例句：There is no denying that the qualities of our living have gone from bad to worse.不可否认的，我们的生活品质已经每况愈下。
初中英语重要句型大全
初中英语核心句型句型1：There+be +主语+地点状语/ 时间状语There’s a boat in the river.河里有条船。
句型2：What’s wrong with+sb. / sth. ?What’s wrong with your watch?你的手表有什么毛病?句型3：How do you like...?How do you like China?你觉得中国怎么样?句型4：What do you like about...?What do you like about China?你喜欢中国的什么?句型5：had better(not)+动词原形You’d better ask that policeman over there.你最好去问问那边的那个警察。
句型6：How+adj. / adv. +主语+谓语!What a/ an+adj. +n. +主语+谓语! How cold it is today!今天多冷啊!What a fine picture it is!多美的一幅图画呀!句型7：Thank+sb. +for(doing)sth.Thank you for coming to see me.感谢你来看我。
句型8：So+be/ 情态动词/ 助动词+主语He is a student. So am I.他是一个学生，我也是。
句型9：... not ... until ...He didn’t have supper until his parents came back.直到他的父母回来他才吃饭。
句型10：比较级+and+比较级The baby cried harder and harder.那孩子哭得越来越厉害。
句型11：the +比较级，the +比较级The more one has，the more one wants.越有越贪。
句型12：... as +adj./ adv.+as ...…not as(so) +adj. / adv. +as ...Do you think that art is as important as music?你认为艺术和音乐一样重要吗?Last Sunday the weather was not so wet as it is today.上个星期天的天气不如今天的天气潮湿。
初中英语常见句型
2
2
x2 x 2 0
x 2 x 1 0
x 1 0
x 1 0
x2
x
2
2x
2
x2
3x
0
x 2 0 x 3 2 x 3.
故原不等式的解集为x | 2 x 3.
2. 3 log1 x log1 x 1
2
2
x 0
3x
0 log
1
x
3 log1 x 0
0或 log1
.
当x 1时, f x 0,故f x在区间[1, )上为增函数.
又f 1 0,所以当x 1时, f x 0,即当x 1时, ln x 2 x 1
x 1 成立.故 ab a b 成立.
ln a ln b 类似可证 ln x x 1成立.于是原不等式成立.
x
例题
2 ln a ln b ab ab
1 ab
2a b
ab
ln a
ln b
a
b ab
2
a b
1
a 1
ln
a b
a b
1 .
a
b
b
令x a ,则所证不等式等价于 b
2 x 1 ln x x 1,其中x 1.
x 1
x
考虑函数f
x
ln
x
2 x 1
x 1
, 其导数为f
x
x 12 x x 12
1 x
a b c a b c 有f a b c f a b c .
即 abc 1 a bc
abc
1 a b c
a
b
c
1 a b c 1 a b c 1 a b c
abc
初中英语写作万能句归纳
1.主语+is + the +最高级+名词+(that)+ I have ever seen (known/heard/had/read)Helen is the most beautiful girl that I have ever seen。
海伦是我所看过最美丽的女孩。
Mr. Chang is the kindest teacher that I have ever had。
张老师是我曾经遇到最仁慈的教师。
Yao Ming is the tallest basketball player that I have ever seen。
姚明是我所见过的最高的篮球运动员Liu Xiang is the most hardworking sportsman that I have ever seen。
刘翔是我所见过的最勤奋的运动员。
2.Nothing is more important + than + to do sth.没什么比做某事更重要的事。
例句：Nothing is more important than to keep fit。
没有比保持健康更重要的事。
Nothing is more important than to potect our environment。
没有什么比环保更重要的事。
Nothing is more important than to gain knowledge。
没有什么比学习知识更重要的事。
3.There is no denying that + S + V (不可否认的……)例句：There is no denying that Nothing is more important than to potect our environment.不可否认的，没有什么比环保更重要的事。
There is no denying that Lin Zhiling is the most charming actress I have ever seen.不可否认，林志玲是我所见过的最有魅力的女演员。