「最新」中考英语总复习第二部分语法点击专题十二简单句陈述句疑问句反意疑问句感叹句祈使句倒装句综合演练

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英语中考总复习(最新整理)

英语中考总复习(最新整理)

目录第一部分:词法 (1)中考考点一、名词 (1)中考考点二:冠词的用法 (3)中考专题三:代词 (4)中考专题四:数词 (8)中考专题五:介词 (10)中考考点六:连词 (13)中考专题七:形容词副词 (14)中考考点八:动词时态 (19)中考考点九:被动语态 (23)中考考点十:情态动词 (24)中考考点十一:非谓语动词 (26)第二部分:句法 (29)中考考点十二:主谓一致 (29)中考考点十三:倒装句 (30)中考考点十四:感叹句 (31)中考考点十五:反意疑问句 (32)考点归纳十六:状语从句 (33)中考考点十七:宾语从句 (34)考点归纳十八:定语从句 (36)第三部分:补全对话 (38)第四部分词组和句型 (43)第一部分:词法中考考点一、名词一、名词的复数:1.名词变复数的规则形式1).一般情况下直接加s book------books cup-----cups2).以辅音字母+y结尾的,先变y为i再加es .city-------cities family-----families3).以s、x、sh、ch结尾的加es .bus-----buses wish------wishes watch------wathes4).以o结尾的多数加S 初中阶段只有三个单词加es .tomato-----tomatoes potato------potatoes hero-----heroes5).以f、fe 结尾的,先把f、fe变v 再加es .leaf----leaves self---selves shelf----shelves life----lives thief---thieves2.少数名词的复数形式是不规则的。

man----men woman---women child----children foot-----feet tooth----teeth mouse---mice3.单数和复数形式相同。

中考英语 第二部分 语法专题研究 专题十二 简单句课件 人教新目标版

中考英语 第二部分 语法专题研究 专题十二 简单句课件 人教新目标版


常唱这首歌。
主语+及物动词+间 接宾语+直接宾语
She showed her friends all her pictures.她向她的朋友们展示了她所 有的照片。
主语+及物动词+宾 We keep our classroom clean and tidy. 语+宾语补足语 我们保持我们的教室干净和整洁。
◆一般疑问句(2014年2次、2013年3次)
一般疑问句是用yes或no来回答的疑问句,它一43;其他?如:
Is she from England? 她来自英格兰吗? 2. 情态动词+主语+动词原形+其他?如:
Must I finish the report today? 我今天必须完成报告吗? 3. 助动词+主语+动词原形/过去分词+其他?如:
命题点2 陈述句(具体内容在右侧 二维码中呈现,扫码即现)
陈述句
命题点3 疑问句(3年3考31次)
分析湖南各地市近3年中考真题可知,疑问句是湖 南中考的重要考点,在单项填空中主要考查特殊疑问句 的疑问词(包括How词组辨析)和反意疑问句,偶尔也 会涉及一般疑问句及其答语。完形填空中也会考查特殊 疑问句(以疑问词词义辨析为主)。
—Did she like dancing when she was young?她小时候喜欢跳 舞吗?
—Yes, She did.是的,她喜欢。
◆特殊疑问句(2015年2次、2014年3次、2013岳阳43题)
1. 分类及用法
概念
形式
例句
Who is the girl over
who询问身份 there? 那 边 的 女 孩 是

2020年山东省泰安市中考英语总复习:专题十二 简单句(陈述句、感叹句、疑问句、祈使句)

2020年山东省泰安市中考英语总复习:专题十二 简单句(陈述句、感叹句、疑问句、祈使句)
I went to the cinema yesterday. 昨天我去看电影了。 (二)陈述句的否定形式 1.如果句子的谓语含有be动词/助动词/情态动词,其否定形式是在 这些词后面加not。如: She is not a teacher. 她不是老师。 Man can't live without water. 没有水,人类就不能生存。
栏目索引
考点清单
Something is wrong with your computer,isn't it? 你的电脑出毛病了,是吗? (4)当陈述部分的主语为指人的不定代词somebody,anybody,everybody等时,附加疑问部分的主语可用he或they,但不可用it来代 替。如: Somebody wants to see you,doesn't he? 有人想见你,是吗? (5)当陈述部分的主语为this,that等时,附加疑问部分的主语应用 it。类似地,当陈述部分的主语为these,those等时,附加疑问部分的 主语应用they。同时,陈述部分为肯定形式时,附加疑问部分应用 否定形式,反之亦然。如:
考点清单
栏目索引
考点清单
(6)neither of...两者都不;none of...(三者及三者以上)都不,没有一 个。如: Neither of them has ever been to Beijing. 他们两个都没有去过北京。 (7)seldom 很少;hardly 几乎不。如: I seldom go to hospital.我很少去医院看病。 I can hardly say a word. 我几乎一句话都不能说。 (8)too...to...太……而不能……。如: He was too late to catch the bus. 他太迟了,没有赶上公共汽车。

反义疑问句知识点详解(初中英语专项复习)3

反义疑问句知识点详解(初中英语专项复习)3

反义疑问句知识点详解(初中英语专项复习)一、定义反意疑问句又名附加疑问句。

属疑问句的一种,表示说话者对某事有一定看法,但又不完全确定,需要对方加以证实。

二、结构和原则:1.反意疑问句一般分为两个部分:前一个部分陈述句,后一部分为缩略形式的句问。

如:There is a tree in front of the building, isn’t there?2.反意疑问句遵守前肯后否, 前否后肯, 时态一致性的原则.三、用法:一.反意疑问句主语及谓语的确定.1.陈述部分含有never, few ,little,hardly,seldom,rarely(罕见), no,nothing, nobody, none, too…to 等表示否定意义的词时,其附加问句就用肯定形式.There are few people in the room, are there?She is too young to go to school, is she?2.陈述句部分是“There be…”结构时,疑问部分用“be there”.There is a tree in front of the building, isn’t there?There will not be any trouble, will there?3.陈述部分主语为this, that 等时,附加部分主语应用it.类似地,陈述部分主语为these, those等时,附加部分主语应用they.This is a beautiful picture, isn’t it?Those aren’t apple trees, are they?4.当陈述句部分动词为have(has)时有下列几种情况:(1)have在一般现在时中表示“有”之意,附加问句部分谓语可用“have”或用助动词do.Tom has a new watch, doesn’t he( hasn’t he)?(2) have to表示“不得不”“必须”之意时,附加问句部分谓语应用助动词do.Kate has to help her mother at home, doesn’t she?(3) have 表示“吃、喝、玩、度过”等意时,其附加问句的谓语应用助动词do.They have a good time in Beijing, don’t they?(4)have 在完成时中,其附加问句谓语动词应用have.Lucy has ever been to Japan, hasn’t she?(5) had better 最好,在祈使句中,其附加问句谓语动词应用hadYou had better clean the room,hadn’t you?5.肯定的祈使句的附加问句可用will you或won’t you,否定的祈使句的附加问句用will you.Listen to me carefully, will you?Don’t play with fire, will you?6.以let’s开头的祈使句,附加问句用shall we;而以let us 开头的祈使句,附加问句用will you.Let’s go to the park, shall we?Let us help you, will you?7.think, believe, expect, imagine, suppose等引导的宾语从句:A.主语是第一人称(应特别注意否定的转移)I don’t think he is bright, is he?We believe she can do it better, can’t she?B. 如果主语不是第一人称则疑问部分与主句相对应构成反意疑问句He thought they were wrong, didn’t he?8.否定前缀或后缀(否定前缀dis-, un-, im-或否定后缀-less,如dislike, discourage, unfair, unable等)不能视为否定词,其反意疑问句仍用否定形式。

2024年中考英语二轮热点题型归纳与演练12句法之宾语从句、定语从句

2024年中考英语二轮热点题型归纳与演练12句法之宾语从句、定语从句

2024年中考英语二轮热点题型归纳与演练12句法之感叹句、祈使句、疑问句及其它【题型解读】宾语从句为中考的必考点,主要在单项选择题中考查,侧重考查其引导词、语序、时态的应用。

一般至少会涉及两个考查点:①引导词相同,语序和时态不同;②时态一致,语序和引导词不同。

而且通常都会在一些固定的句型中涉及,如I wonder,Would/Could you please tell me, Can you tell me, Do you know, I don’t know等等。

定语从句是在整个句子中充当定语的句子,他的作用就是用来修饰和限定名词的。

引导定语从句的关系代词有:that(指人或物),which(指物),who(指人)。

指人时可用that或who,指物时可用that或which,但有时只能用that不能用which。

常见的情况有下列四种:1. 当先行词是all, any, anything, everything, nothing等不定代词时。

2. 当先行词被形容词的最高级或序数词修饰时。

3. 当先行词有the only, the very, the same, the last等修饰时。

4. 当先行词既有人又有物时,用that不用which。

【命题规律】1. 宾语从句重点考查四个方面,即:时态、语序、引导词和人称。

根据宾语从句语义及语法成分确定连接词: when, where, why, whether/if, how, who, whom等。

宾语从句语法成分齐全时可用that连接,that也可省略。

2. 定语从句关系代词与关系副词的区别。

常见的关系代词包括that,which,who(宾格whom,所有格whose)等,关系副词包括where,when,why等。

关系代词和关系副词放在先行词及定语从句之间起连接作用,同时又作定语从句的重要成分。

一看指人还是物(指人用that、who、whom; 指物用that、which)二看在句中作什么成分(作主语用who、which、that;作宾语用who、whom、which、that; 作定语用whose;作状语用where、when等)三看是否属于特殊情况:即引导词只能用that的情况:(先行词是all、something等不定代词时; 先行词被最高级或序数词修饰时;先行词既指人又指物时)【解题技巧】做此类试题时,首先从语序着手,宾语从句的语序应该为陈述句语序,即:主语+谓语+宾语+其他;再从时态考虑,一般情况下,宾语从句的时态要和主句的时态保持一致,但是,如果有明显的时间状语,要以时间状语来判断时态;最后,再判断疑问词。

中考英语总复习第二部分语法点击专题十二简单句陈述句疑问句反意疑问句感叹句祈使句倒装句综合演练人教新目

中考英语总复习第二部分语法点击专题十二简单句陈述句疑问句反意疑问句感叹句祈使句倒装句综合演练人教新目

专题(十二)简单句(陈述句、疑问句、反意疑问句、感叹句、祈使句、倒装句)综合演练1.[2017·邵阳] ________ great basketball player Yao Ming is! I like him very much.A.What B.How C.What a2.[2017·长沙] ________ carefully, please! Look at the road sign. There is a school ahead. A.Drive B.To drive C.Driving3.[2017·永州]David, ________ make trouble at school.A.can't B.don't C.doesn't4.[2017·麓山模拟]—________ excellent work you have done!—It's very kind of you to say so.A.What B.What an C.How5.[2017·龙东]—There is little pollution in that village, ________?—No. The air there is quite fresh and clean.A.is there B.isn't there C.is it6.[2017·贵阳]—I've never been to Disneyland, Judy.—________.A.So have IB.Neither am IC.Neither have I7.[2017·哈尔滨]—The summer vacation is coming. Why don't you go to the beach to enjoy the sunshine? —Sounds great. ________ advice!A.What good B.How good C.What a good8.[2017·黔南改编]—Summy ate nothing for breakfast this morning, ________?—No, because she had a stomachache.A.did she B.was she C.didn't she9.[2017·宜昌改编]—He promised to come for the concert Wednesday. ________ today?—Tuesday. I'll meet him at the theater tomorrow.A.What's the date B.What day is it C.What time is it10.[2017·铜仁改编]—International Big Data EXPO(国际大数据博览会) was held in Guiyang on May 26th. —________ exciting news it was!A.What an B.What a C.What11.[2017·黔东南改编]—Sandy likes English best. She reads the texts every day.—________.A.So does Jim B.So Jim does C.So is Jim12.[2017·天水改编]—Don't you go to school by bike?—________. I walk to school every day.A.Yes, I don'tB.Yes, I doC.No, I don't13.[2017·宿迁改编]—I don't like horror films. They're terrible.—________.A.Either I do B.Neither I do C.Neither do I14.[2017·眉山改编]—Did you watch the TV show Running Man last night?—Yes, I did. ________ exciting it was!A.How B.What an C.What15.[2017·烟台改编]—________?—She is of medium height with two blue eyes.A.How is RitaB.What does Rita likeC.What does Rita look like16.[2017·临沂改编] ________ amazing concert Li Yundi gave in Linyi!A.How an B.How C.What an17.[2017·随州改编]—Is the mobile phone new or old?—________. I bought it only two days ago.A.It's old B.It's new C.Yes, it is18.[2017·济宁改编]—________ wonderful the speech is!A.How B.What C.What a19.[2017·天津改编]—Which do you prefer, traditional Western music ________ pop music?—Pop music.A.but B.as C.or20.[2017·宿迁改编]—Have you heard that Lin Tao saved his neighbor from a big fire last night? —Yes. ________ brave young man he is!A.How B.What a C.What21.[2017·盐城改编] ________ fine weather it is! Let's go on a picnic!A.What a B.What C.How22.[2017·南京改编]—Excuse me, but can you tell me where the nearest bank is?—Just ________ going for two more blocks and you'll see it.A.keep B.to keep C.keeping23.[2017·连云港改编]—________ delicious food you served us tonight! Thank you very much!—I'm glad that you enjoyed it.A.How B.What a C.What24.[2017·黔东南改编]Your mother is very busy. She hardly does morning exercises, ________?A.isn't she B.does she C.is she25.[2017·达州改编]—________ kind of tea would you like?—I love tea ________ has a fruity taste.A.Which; what B.What; which C.Whose; that26.[2017·随州改编] ________ important it is for kids to imagine freely!A.What B.How C.What an27.[2017·白银改编]—Our classmates are going to Fantawild Adventure(方特欢乐世界) after the exams. —________ exciting idea!A.What B.What an C.How28.[2017·绥化]Mr. Green is ________ old to carry the heavy box.A.to B.very C.too29.[2017·鄂州改编]—He didn't go to school late yesterday, did he?—________, though it rained hard yesterday.A.No, he didn'tB.Yes, he didn'tC.Yes, he did30.[2017·恩施]—The weather changes often in June.—________. The highest temperature yesterday was 32°C, but it's just 18°C today.A.So it isB.So it doesC.So does it31.[2017·黄冈改编]—I missed the match between Ma Long and Fan Zhendong last night. ________, May? —Amazing! It's the most exciting match of the world table tennis.A.Can I help youB.What's it likeC.What's it about32.[2017·绥化] ________ long sentence!A.What B.What a C.How33.[2017·宜昌改编]—People choose high­speed train or self­driving to travel on holiday.—________ fast the traditional travel ways change!A.What a B.How C.What34.[2017·长春改编] ________ wonderful The Reader is! Many people enjoy this TV program.A.How B.How a C.What35.[2017·无锡改编]—Here's a present for you. Happy birthday, sweetie! Open it.—Wow! An iWatch? ________! Thank you so much, Dad!A.What a surpriseB.What surpriseC.What a waste36.[2018·原创]—Did you know that the boys in our school football team won the first game?—________ important information. I'm looking for a middle school for my little boy, and maybe your school is a good choice.A.What B.How C.What an37.[2018·原创]—________ does Andrew practice painting?—Three times a week.A.How long B.How often C.How soon38.[2018·原创]—Our college is becoming more and more beautiful.—________. I'm happy to see a more beautiful college after 10 years.A.So it is B.So does it C.So it was39.[2018·原创]—Boy, you are not a child anymore. ________ your parents worry about you.—I promise I won't.A.Not let B.Don't let C.Let not40.[2018·原创]—________ did you go to Qingdao this summer?—To enjoy a more cool summer.A.Why B.What C.Where参考答案1—5 CABAA 6—10 CAABC 11—15 ACCAC16—20 CBACB 21—25 BACBB26—30 BBCAB 31—35 BBBAA36—40 ABABA。

中考英语 语法专题突破 12 专题突破十二 简单句 (13)

中考英语 语法专题突破 12 专题突破十二 简单句 (13)

主语?
式+主语?
主语+动词+其他,助动词的否定 主语+助动词+not+动词原形+其
形式+主语?
他,助动词的肯定形式+主语?
主语+情态动词+动词原形+其 主语+情态动词+not+动词原形+
他,情态动词的否定形式+主语? 其他,情态动词的肯定形式+主语?
(2)反意疑问句的特殊形式 ①陈述部分含有 few,little,hardly,never,not,no, no one,nobody, nothing,none 等表示否定意义的词时,其反意疑问句要用肯定结构。 ②陈述部分是 there be 句型时,反意疑问句中依然用 there be 句型。 ③陈述部分含 I think/believe/suppose that…结构时,其反意疑问句须与 从句的主谓语保持一致。注意主句的主语必须是第一人称。 ④当 have/has 表示“有”,并在句中作谓语时,其反意疑问句的助动词要 用 do/does/did。
疑问副词 where哪里(询问地点、位置) why为什么(询问原因)
►how词组小结
how long多长时间(提问时间段)
how怎样 (询问 方式)
how often多久一次(对频率提问) how soon多久以后(对含in的时间短语提问) how many多少(修饰可数名词) how much多少(修饰不可数名词);多少钱(提问价格)
2.特殊疑问句 用特殊疑问词引导的疑问句叫特殊疑问句。特殊疑问词包括疑问代
词、疑问副词和疑问词组。随州中考主要是往年在情景交际中和写作第 一节考查此句式。
►“wh­”疑问词小结 what什么(询问事物、职业、身份、日期) which哪一个(询问特定的人或物)
疑问代词 who谁(询问身份) whose谁的(询问所属物归属) when什么时候(询问时间)

中考英语语法精讲: 简单句(陈述句、疑问句、祈使句、感叹句、倒装句)

中考英语语法精讲: 简单句(陈述句、疑问句、祈使句、感叹句、倒装句)
1.一般疑问句:通常用来询问一件事情是否属实。答句 通常是“Yes”或“No”。如: —Are you tired? —Yes, I am.“你累吗?”“是的,我累。” 2.选择疑问句:指提出两个或两个以上可能的答案供对 方选择。如: Shall we go home or stay here for the night? 我们回家还是 待在这里过夜? 专题十二 简单句
Open the door, please.
专题十二
简单句
┃感叹句┃ 感叹句一般用来表示说话时的喜悦、惊讶等情感。英语感 叹句常用what或how引导,句末用感叹号。
1.what引导的感叹句。
(1)What+a/an+形容词+单数可数名词(+主语+谓语)! 如:What a difficult question it is! (2)What +形容词+复数可数名词 / 不可数名词 ( +主语+ 谓语)!如:What useful information!
(5) 陈述部分的主语为指人的不定代词时,问句部分的主 语用he或 they,这时问句动词的数应和he或 they一致。如: Someone is knocking at the door, isn't he? (6)反意疑问句的陈述部分为“I (We) don„t think (believe, suppose, consider)+ that从句”时,问句部分的动词和主语仍 与that从句保持一致且用肯定式。如: I don't think that he has finished the work on time, has he?
3 .特殊疑问句:以疑问词开头,对句中某一成分提 问的句子叫特殊疑问句。如: What do you like most? 你最喜欢什么?

湖南中考英语总复习第二部分语法点击专题十二简单句陈述句疑问句反意疑问句感叹句祈使句倒装句课件人教新目

湖南中考英语总复习第二部分语法点击专题十二简单句陈述句疑问句反意疑问句感叹句祈使句倒装句课件人教新目
John can't speak Japanese, and _n_e_i_th__er_/_n_o_r_c_a_n__H_e_l_e_n___. 约翰不会讲日语,海伦也不会。
考点直击
编后语
老师上课都有一定的思路,抓住老师的思路就能取得良好的学习效果。在上一小节中已经提及听课中要跟随老师的思路,这里再进一步论述听课时如何 抓住老师的思路。
—Would you like some juice or tea? 你想要些果汁还是茶? —Neither. 都不要。
考点直击
专题(十二) 简单句(陈述句、疑问句、 反意疑问句、感叹句、祈使句、倒装句)
考|点|3 反意疑问句 反意疑问句的构成: 陈述句+附加疑问句?(附加疑问句的 否定式必须缩写) 1.陈述句部分与附加疑问句部分意思相反: 前肯后否、前 否后肯。 Mary is a teacher, _i_s_n_'t__sh__e__? 玛丽是一名老师,不是吗? He didn't tell you the story, __d_i_d_h_e____? 他没给你讲这个故事,是吗? 2.反意疑问句的基本对应形式如下: (1)be动词对应be动词。 She is a policewoman, _i_s_n_'t_s_h_e___? 她是一名警察,不是吗?
考点直击
专题(十二) 简单句(陈述句、疑问句、 反意疑问句、感叹句、祈使句、倒装句)
考|点|4 感叹句
__W__h_a_t__ a beautiful flower it is! 这是一朵多么漂亮的花啊! __W__h_a_t__ good news it is! 多好的消息啊! __H__o_w___ fast Jim runs!吉姆跑得多快啊!

2024年人教版中考英语总复习语法专题过关专题十二简单句、并列句和句子类型

2024年人教版中考英语总复习语法专题过关专题十二简单句、并列句和句子类型

2. 否定祈使句 (1) Don’t/Never +动词原形+其他.如: Don’t leave the tap running. 别把水龙头开着白白流水。 (2) Let’s + not +动词原形+其他.如: Let’s not waste time. 我们不要浪费时间。 (3) No +名词/动名词!如: No parking!禁止停车!
( A )2. — Pingtang Bridge has the highest concrete bridge tower in the
world. —
amazing it is!
A. How
B. What
C. What an
D. How an
( B )3. (2023·营口)
useful knowledge the astronaut in
3. 祈使句的应答语 (1) Let’s开头的祈使句,其答语常用 “Good idea./OK.” 等。如: — Let’s go to the library to borrow some books. 我们去图书馆借一 些书吧。 — Good idea. 好主意。 (2) 其他肯定祈使句的答语常用“Yes .../Thanks, I will.”等,否 定祈使句的答语常用 “Sorry/No, I won’t(do it again).”等。
Tiangong Classroom has taught us!
A. How
B. What
C. How a
D. What an
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18
( B )4. last. A. What a C. What ( D )5. one. A. What

中考英语总复习 简单句(陈述句、感叹句、疑问句及祈使句)

中考英语总复习  简单句(陈述句、感叹句、疑问句及祈使句)

简单句的句型及种类【用法讲解】考试要求:简单句的五种基本句型及There be句型是英语学习的基础和重点,也是中考试卷的重点,在书面表达、句子改写和翻译句子中都经常考查有关句子的知识;感叹句、疑问句、祈使句更是单项选择和句型转换的重点。

1.简单句的句型简单句就是句子只有一个主语和谓语,有五种基本句型:(1)主语+谓语:这种句型称为主谓结构(S+V),其谓语一般是不及物动词。

例如:The rain stopped. 雨停了。

Things have changed now. 现在事情发生了变化。

(2)主语+连系动词+表语:这种句型称为主系表结构(S+L+P),连系动词在形式上也是一种谓语动词,表语一般是名词或者形容词。

例如:His father is a teacher. 他的爸爸是老师。

(表语是名词)Your mother is very young. 你的妈妈很年轻。

(表语是形容词)(3)主语+谓语+宾语:这种句型称为主谓宾结构(S+V+O),其谓语动词是及物动词,宾语一般是直接宾语。

例如:They often speak English at the meeting. 他们在会上经常说英语。

The house caught fire. 房子着火了。

(4)主语+谓语+间接宾语+直接宾语:这种句型称为主谓宾宾结构(S+V+O+O),其谓语动词必须是可以跟双宾语的动词,两个宾语中表示事物的是直接宾语,另一个表示人的是间接宾语。

例如:My father gave me a pen last night. 昨天晚上我爸爸给我一支钢笔。

I will write you a letter when I get there. 我到那里儿时给你写信。

(5) 主语+谓语+宾语+宾语补足语:这种句型称为主谓宾及宾补结构(S+V+O+C)其谓语动词必须是可以跟复合宾语的及物动词。

例如:I find him very clever. 我发现他很聪明。

湖南中考英语总复习第二部分语法点击专题(十二)简单句(陈述句、疑问句、反意疑问句、感叹句、祈使句、倒

湖南中考英语总复习第二部分语法点击专题(十二)简单句(陈述句、疑问句、反意疑问句、感叹句、祈使句、倒

(3)两角和与差的正弦、余弦、正切公式:
sin(α±β)=sin α cos β ±cos α sin β ;
cos(α±β)=cos α cos β ∓sin α sin β ;
tan(α±β)=t1a∓ntaαn
±tan α tan
β β
.
(4)二倍角公式:sin 2α =2sin α cos α ,cos 2α =
解析 (1)法一 cos2α+π4 =121+cos2α+π2 =
12(1-sin 2α)=16.
法二
cosα+π4 =
2 2 cos
α-
2 2 sin
α.
所以 cos2α+π4 =12(cos α-sin α)2=12(1-2sin αcos α)
-2bccos
π 3
,即
b2+c2-bc=4⇒bc+4=b2+c2≥2bc⇒bc
≤4,当且仅当 b=c=2 时,等号成立.
所以 S△ABC=12bcsin A=12× 23bc≤ 43×4= 3,即当 b=c =2 时,S△ABC 取得最大值,最大值为 3.
探究提高 求解三角形中的最值问题常用如下方法: (1)将要求的量转化为某一角的三角函数,借助于三角 函数的值域求最值.(2)将要求的量转化为边的形式,借 助于基本不等式求最值.
sin Acos C+ 3sin Asin C-sin B-sin C=0.
因为 B=π -A-C,
所以 3sin Asin C-cos Asin C-sin C=0.
易知 sin C≠0,所以 3sin A-cos A=1,
所以 sinA-π6 =12.又 0<A<π ,所以 A=π3 . (2)法一 由(1)得 B+C=23π ⇒C=2π3 -B0<B<23π ,由正弦定理得

2020英语中考备考-专题十二 简单句

2020英语中考备考-专题十二 简单句

A.What
B.What a
C.How
倒装句 初中阶段常考的倒装句型:
( C )1.There
a concert in our school hall next week.
(2019梧州)
A.is going to have
B.will have
C.will be
D.is going to hold
C.or
D.also
祈使句
祈使句用以表示命令、请求、叮嘱或建议,主语通常省略。肯定式谓语动 词用原形,否定式用“Don’t/Never+动词原形” 。 Turn on the light.开灯。 Don’t turn off the light.不要关灯。
( B )1.
on the grass.It’s a rule of the park.(2019青海)
(3)初中阶段常考的几种反意疑问句
( C )1.—
a big clock on the wall?
—Yes,but it was broken in the earthquake.(2019青海)
A.Have you got B.Did you have
C.Was there
( A )2.—
will the Jinniu Lake Animal Kingdom be open?
( B )3.Please
the rubbish into different litter bins
according to the signs.(2020中考预测)
A.puts
B.put
C.putting
D.to put
感叹句 感叹句通常用what或how引导,用来表示强烈的感情。
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专题(十二)简单句(陈述句、疑问句、反意疑问句、感叹句、祈使句、倒装句)综合演练1.[2017·邵阳] ________ great basketball player Yao Ming is! I like him very much.A.What B.How C.What a2.[2017·长沙] ________ carefully, please! Look at the road sign. There is a school ahead.A.Drive B.To drive C.Driving3.[2017·永州]David, ________ make trouble at school.A.can't B.don't C.doesn't4.[2017·麓山模拟]—________ excellent work you have done!—It's very kind of you to say so.A.What B.What an C.How5.[2017·龙东]—There is little pollution in that village, ________?—No. The air there is quite fresh and clean.A.is there B.isn't there C.is it6.[2017·贵阳]—I've never been to Disneyland, Judy.—________.A.So have IB.Neither am IC.Neither have I7.[2017·哈尔滨]—The summer vacation is coming. Why don't you go to the beach to enjoy the sunshine?—Sounds great. ________ advice!A.What good B.How good C.What a good8.[2017·黔南改编]—Summy ate nothing for breakfast this morning, ________?—No, because she had a stomachache.A.did she B.was she C.didn't she9.[2017·宜昌改编]—He promised to come for the concert Wednesday. ________ today?—Tuesday. I'll meet him at the theater tomorrow.A.What's the date B.What day is it C.What time is it10.[2017·铜仁改编]—International Big Data EXPO(国际大数据博览会) was held in Guiyang on May 26th.—________ exciting news it was!A.What an B.What a C.What11.[2017·黔东南改编]—Sandy likes English best. She reads the texts every day.—________.A.So does Jim B.So Jim does C.So is Jim12.[2017·天水改编]—Don't you go to school by bike?—________. I walk to school every day.A.Yes, I don'tB.Yes, I doC.No, I don't13.[2017·宿迁改编]—I don't like horror films. They're terrible.—________.A.Either I do B.Neither I do C.Neither do I14.[2017·眉山改编]—Did you watch the TV show Running Man last night?—Yes, I did. ________ exciting it was!A.How B.What an C.What15.[2017·烟台改编]—________?—She is of medium height with two blue eyes.A.How is RitaB.What does Rita likeC.What does Rita look like16.[2017·临沂改编] ________ amazing concert Li Yundi gave in Linyi!A.How an B.How C.What an17.[2017·随州改编]—Is the mobile phone new or old?—________. I bought it only two days ago.A.It's old B.It's new C.Yes, it is18.[2017·济宁改编]—________ wonderful the speech is!A.How B.What C.What a19.[2017·天津改编]—Which do you prefer, traditional Western music ________ pop music?—Pop music.A.but B.as C.or20.[2017·宿迁改编]—Have you heard that Lin Tao saved his neighbor from a big fire last night?—Yes. ________ brave young man he is!A.How B.What a C.What21.[2017·盐城改编] ________ fine weather it is! Let's go on a picnic!A.What a B.What C.How22.[2017·南京改编]—Excuse me, but can you tell me where the nearest bank is?—Just ________ going for two more blocks and you'll see it.A.keep B.to keep C.keeping23.[2017·连云港改编]—________ delicious food you served us tonight! Thank you very much!—I'm glad that you enjoyed it.A.How B.What a C.What24.[2017·黔东南改编]Your mother is very busy. She hardly does morning exercises, ________?A.isn't she B.does she C.is she25.[2017·达州改编]—________ kind of tea would you like?—I love tea ________ has a fruity taste.A.Which; what B.What; which C.Whose; that26.[2017·随州改编] ________ important it is for kids to imagine freely!A.What B.How C.What an27.[2017·白银改编]—Our classmates are going to Fantawild Adventure(方特欢乐世界)after the exams.—________ exciting idea!A.What B.What an C.How28.[2017·绥化]Mr. Green is ________ old to carry the heavy box.A.to B.very C.too29.[2017·鄂州改编]—He didn't go to school late yesterday, did he?—________, though it rained hard yesterday.A.No, he didn'tB.Yes, he didn'tC.Yes, he did30.[2017·恩施]—The weather changes often in June.—________. The highest temperature yesterday was 32°C, but it's just 18°C today.A.So it isB.So it doesC.So does it31.[2017·黄冈改编]—I missed the match between Ma Long and Fan Zhendong last night. ________, May?—Amazing! It's the most exciting match of the world table tennis.A.Can I help youB.What's it likeC.What's it about32.[2017·绥化] ________ long sentence!A.What B.What a C.How33.[2017·宜昌改编]—People choose high­speed train or self­driving to travel on holiday.—________ fast the traditional travel ways change!A.What a B.How C.What34.[2017·长春改编] ________ wonderful The Reader is! Many people enjoy this TV program.A.How B.How a C.What35.[2017·无锡改编]—Here's a present for you. Happy birthday, sweetie! Open it.—Wow! An iWatch? ________! Thank you so much, Dad!A.What a surpriseB.What surpriseC.What a waste36.[2018·原创]—Did you know that the boys in our school football team won the first game?—________ important information. I'm looking for a middle school for my little boy, and maybe yourschool is a good choice.A.What B.How C.What an37.[2018·原创]—________ does Andrew practice painting?—Three times a week.A.How long B.How often C.How soon38.[2018·原创]—Our college is becoming more and more beautiful.—________. I'm happy to see a more beautiful college after 10 years.A.So it is B.So does it C.So it was39.[2018·原创]—Boy, you are not a child anymore. ________ your parents worry about you.—I promise I won't.A.Not let B.Don't let C.Let not40.[2018·原创]—________ did you go to Qingdao this summer?—To enjoy a more cool summer.A.Why B.What C.Where参考答案1—5 CABAA 6—10 CAABC 11—15 ACCAC 16—20 CBACB 21—25 BACBB26—30 BBCAB 31—35 BBBAA36—40 ABABA。

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