Unit 2 Go for it! 重要知识点讲解 2025-2026学年外研版英语七年级下册

2026-01-31
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外研英语七下Unit2 Go for it! 重要知识点讲解 一、重点单词详解 1. breath(n. 呼出的气;吸入的气) 同源词:breathe(v. 呼吸),可作及物或不及物动词(易混点:breath是名词,breathe是动词,拼写和发音区分记忆) 核心搭配: hold one's breath(屏住呼吸)、take a deep breath(深呼吸)、out of breath(喘不过气) 例句: ① When the teacher read the exam results, I held my breath.(老师宣读考试成绩时,我屏住了呼吸。) ② After running up the stairs, my little sister was out of breath.(跑上楼梯后,我妹妹喘不过气来。) ③ Let's take a deep breath before we start the game.(开始游戏前,我们深呼吸一下吧。) 2. seem(v. 看来;似乎;好像) 核心搭配: seem + 形容词(看起来……)、seem + 名词(看起来像……)、seem to do sth.(似乎要做某事) 拓展:seem to do sth. 可与 It seems that + 句子同义转换 例句: ① The new student seems friendly to everyone.(这个新学生看起来对每个人都很友好。) ② It seems a good idea to go for a walk after dinner.(晚饭后散步似乎是个好主意。) ③ She seems to know the answer to the difficult question.(她似乎知道这道难题的答案。) ④ It seems that he will not come to the party today.(他今天似乎不会来参加派对了。) 3. possible(adj. 可能的;可能做到的) 反义词:impossible(adj. 不可能的),前缀im-表否定(类比impolite“不礼貌的”) 核心搭配: If possible(如果有可能)、It is possible (for sb.) to do sth.(对某人来说,做某事是可能的) 例句: ① It is possible for us to finish our homework before 7 o'clock.(对我们来说,7点前完成作业是可能的。) ② If possible, I want to join the school sports club.(如果有可能,我想加入学校体育俱乐部。) ③ It is impossible to finish the work in one hour.(一小时内完成这项工作是不可能的。) 4. raise(v. 筹集;举起;饲养) 核心搭配: raise money(筹款)、raise one's hand(举手)、raise a pet(养宠物) 例句: ① We plan to raise money for the poor students in our school.(我们计划为学校里的贫困学生筹款。) ② Please raise your hand if you know the right answer.(如果你知道正确答案,请举手。) ③ My grandpa raises some chickens and ducks in the countryside.(我爷爷在乡下养了一些鸡和鸭。) 5. encourage(v. 鼓励;激励) 名词形式:encouragement(鼓励) 核心搭配:encourage sb. to do sth.(鼓励某人做某事)(易错点:不可省略to) 例句: ① My teacher always encourages me to practice English more.(我的老师总是鼓励我多练习英语。) ② Parents should encourage their children to do more exercise.(父母应该鼓励孩子多做运动。) ③ Her words encouraged me to keep trying.(她的话鼓励我继续努力。) 6. fit(adj. 健壮的;健康的;v. 适合) 易混提示:与healthy(adj. 健康的)同义,fit侧重“锻炼后的健壮状态”,healthy范围更广(可修饰饮食、生活习惯等) 核心搭配: keep fit(保持健康)、stay fit(保持健康)、fit sb./sth.(适合某人/某物) 例句: ① He keeps running every morning to keep fit.(他每天早上跑步以保持健康。) ② This pair of sports shoes fits me very well.(这双运动鞋很适合我。) ③ Eating more vegetables helps us stay fit and healthy.(多吃蔬菜帮助我们保持健康健壮。) 7. brave(adj. 勇敢的;无畏的) 副词形式:bravely(勇敢地),用于修饰动词 核心搭配: a brave person(勇敢的人)、brave actions(勇敢的行为)、face sth. bravely(勇敢面对某事) 例句: ① The brave boy saved a little cat from the big tree.(那个勇敢的男孩从大树上救下了一只小猫。) ② She acted bravely when she saw the accident.(看到那场事故时,她表现得很勇敢。) ③ We should learn to face difficulties bravely.(我们应该学会勇敢面对困难。) 8. dream(n. 梦想;愿望;v. 梦想;渴望) 核心搭配: dream of doing sth.(梦想做某事)、realize one's dream(实现某人的梦想)、a lifelong dream(毕生梦想) 例句: ① His dream is to become a football player.(他的梦想是成为一名足球运动员。) ② She dreams of running a marathon one day.(她梦想有一天能跑马拉松。) ③ With hard work, we can realize our dreams.(通过努力,我们能实现自己的梦想。) 9. member(n. 成员;会员) 复数形式:members,结合本单元体育话题,常与team搭配 核心搭配: team members(队员)、a member of...(……的一员)、family members(家庭成员) 例句: ① All team members are training hard for the coming match.(所有队员都在为即将到来的比赛刻苦训练。) ② My brother is a member of the school running team.(我弟弟是学校跑步队的一员。) ③ We are all members of the same class.(我们都是同一个班的成员。) 二、重点短语详解 1. hold one's breath(屏住呼吸;屏息静气) 用法:one's 需替换为形容词性物主代词(my/your/his/her/our/their);breath 是名词,不可误写为动词breathe 拓展:take a deep breath(深呼吸)、out of breath(喘不过气) 例句: ① All the students held their breath when the runner was close to the finishing line.(当跑步者接近终点线时,所有学生都屏住了呼吸。) ② He held his breath and dived into the swimming pool.(他屏住呼吸,潜入了游泳池。) ③ After running fast, she was out of breath and had to stop to rest.(快速跑完后,她喘不过气,不得不停下来休息。) 2. make sb. do sth.(使某人做某事) 用法:make 为使役动词,后接动词原形作宾语补足语,不可加to;被动语态需还原to(sb. be made to do sth.) 例句: ① The exciting football match made all of us cheer loudly.(这场激动人心的足球比赛让我们所有人都大声欢呼。) ② My mother makes me clean my room every weekend.(我妈妈每周都让我打扫房间。) ③ The bad weather made us stay at home instead of going out to play.(糟糕的天气让我们待在家里,而不能出去玩。) 3. try to do sth.(尽力做某事;设法做某事) 易混区分:try to do sth.(尽力做,强调努力过程) vs try doing sth.(试着做,强调尝试新方法) 例句: ① I will try to finish my homework before my parents come back.(我会尽力在父母回来前完成作业。) ② She tried to run faster to catch up with the other students.(她尽力跑得更快,以便赶上其他学生。) ③ If you can't open the box, try pulling it hard.(如果你打不开盒子,试着用力拉它。) 4. give up(放弃) 用法:后接名词、代词或动名词(give up doing sth.);代词作宾语时,需放在give和up中间(give it up) 例句: ① Never give up your dreams, no matter how difficult they are.(无论梦想有多难,都不要放弃。) ② He decided to give up eating junk food because it's bad for his health.(他决定放弃吃垃圾食品,因为这对他的健康有害。) ③ She didn't give up practicing running even when she felt tired.(即使感到累,她也没有放弃练习跑步。) 5. at the age of(在……岁时) 同义表达:at + 年龄(简化形式)、when sb. was/were + 年龄 + years old(时间状语从句) 例句: ① He started to learn swimming at the age of 7.(他7岁时开始学游泳。) ② She joined the school basketball team at 12.(她12岁时加入了学校篮球队。) ③ My father began to work when he was 20 years old.(我爸爸20岁时开始工作。) 6. encourage sb. to do sth.(鼓励某人做某事;激励某人做某事) 用法:sb. 为人称代词时,需用宾格;encourage 后接不定式to do sth.,不可省略to 例句: ① My teacher encourages me to take part in the school sports meeting.(我的老师鼓励我参加学校运动会。) ② Parents always encourage their children to keep fit by doing exercise.(父母总是鼓励孩子通过锻炼保持健康。) ③ She encouraged me to try my best in the running race.(她鼓励我在跑步比赛中尽最大努力。) 7. even worse(更糟糕的是) 用法:worse 是bad/ill(形)、badly(副)的比较级,用于引出更糟糕的情况,表语气递进 拓展:worst(最糟糕的),常用短语 worst of all(最糟糕的是) 例句: ① I missed the bus, and even worse, it began to rain heavily.(我错过了公交车,更糟糕的是,天开始下大雨了。) ② He failed the exam, and even worse, he lost his textbook.(他考试不及格,更糟糕的是,他还丢了课本。) ③ I hurt my leg, and even worse, I couldn't take part in the sports meeting.(我伤到了腿,更糟糕的是,我不能参加运动会了。) 8. take every chance to do sth.(抓住每个机会做某事) 用法:chance 为名词(机会),take a chance 表示“冒险、碰运气” 例句: ① Take every chance to practice your oral English in class.(在课堂上抓住每个机会练习英语口语。) ② He takes every chance to exercise, so he is very fit.(他抓住每个机会锻炼,所以身体很健壮。) ③ We should take every chance to learn new things.(我们应该抓住每个机会学习新东西。) 9. pay attention to(注意;关注) 用法:to 为介词,后接名词、代词或动名词,不可接动词原形;单独使用 pay attention(不接宾语,表“专心”) 例句: ① Please pay attention to what the teacher is saying in class.(课堂上请注意老师正在说的话。) ② He didn't pay attention to the traffic lights and almost got hit by a car.(他没注意红绿灯,差点被车撞到。) ③ The teacher told us to pay attention in class.(老师告诉我们上课要专心。) 三、重点句型详解 1. All of them held their breath.(他们全都屏住呼吸。) 句型结构:All of + 复数名词/代词 + 谓语动词(复数) 用法:all of 后接复数名词(需加限定词)或复数代词(宾格);核心短语 hold one's breath 例句: ① All of us are looking forward to the school sports meeting.(我们所有人都期待着学校运动会。) ② All of the students held their breath when watching the magic show.(观看魔术表演时,所有学生都屏住了呼吸。) ③ All of my friends like playing table tennis after school.(我所有的朋友放学后都喜欢打乒乓球。) 2. This made him fall behind.(这使他落后了。) 句型结构:主语 + make + sb. + do sth.(使某人做某事) 用法:make 为使役动词,后接动词原形作宾补;fall behind(落后) 为固定短语 例句: ① The heavy rain made us stay at home.(大雨让我们待在了家里。) ② His carelessness made him fall behind other students in the exam.(他的粗心使他在考试中落后于其他学生。) ③ The funny story made all of us laugh loudly.(这个有趣的故事让我们所有人都大声笑了起来。) 3. Either choice seemed fine for someone at his age.(对于他这个年龄的人来说,两个选择中的任何一个似乎都不错。) 句型结构:Either + 单数名词 + seem(s) + 形容词 + for sb. 用法:either(两者中的任何一个) 后接单数名词,谓语动词用单数;seem 后接形容词表“似乎……” 例句: ① Either book is suitable for beginners.(这两本书中的任何一本都适合初学者。) ② Either pen seems good for me to write with.(这两支钢笔中的任何一支我用着都不错。) ③ Either sport seems interesting for the little boy.(这两项运动对于这个小男孩来说似乎都很有趣。) 4. If possible, I will keep running.(如果有可能,我会继续奔跑。) 句型结构:If possible, + 主句(一般将来时) 用法:If possible = If it is possible(省略形式);遵循“主将从现”原则 例句: ① If possible, I want to join the school running team.(如果有可能,我想加入学校跑步队。) ② If it doesn't rain tomorrow, we will go for a picnic.(如果明天不下雨,我们就去野餐。) ③ If possible, she will try to finish the work on time.(如果有可能,她会尽力按时完成工作。) 5. None of his family members worried or tried to stop him.(他的家庭成员全都不担心,也没有试图阻止他。) 句型结构:None of + 复数名词/代词 + 谓语动词(单复数均可) 用法:none(三者或以上都不) 表否定,后接复数名词或代词;并列谓语时态一致 例句: ① None of the students have finished their homework yet.(没有一个学生完成作业。) ② None of my friends likes playing football.(我的朋友中没有一个人喜欢踢足球。) ③ None of the books are about sports.(这些书中没有一本是关于体育的。) 四、易错易混辨析 1. someone、anyone、no one 与 everyone 单词 含义与用法 例句 someone 同somebody,意为“某人;有人”,常用在肯定句中 Someone left a schoolbag in the classroom.(有人把书包落在了教室里。) anyone 同anybody,否定句/疑问句中表“有人”;肯定句中表“任何人” ① Is there anyone in the teachers' office?(教师办公室里有人吗?)② Anyone can join this sports club.(任何人都可以加入这个体育俱乐部。) no one 同nobody,意为“没有人”,后不接of短语,谓语用单数 No one knows where he went after class.(没人知道他下课后去了哪里。) everyone 同everybody,意为“所有人;每个人”,后不接of短语,谓语用单数 Everyone in our class likes playing sports.(我们班每个人都喜欢做运动。) 易错提示:no one 和 everyone 后均不接of短语 2. die、death 与 dead 单词 词性 含义与用法 例句 die 动词(短暂性) 意为“死去;死亡”,强调动作,不与时间段连用 His grandma died three years ago.(他奶奶三年前去世了。) dead 形容词 意为“死的;去世的”,强调状态,可与时间段连用(be dead) The old dog has been dead for a month.(那只老狗已经死了一个月了。) death 名词 意为“死亡;去世”,作主语或宾语 We were sad about the death of our pet cat.(我们为我们宠物猫的去世而难过。) 易错提示:不可说“He has died for two years.”,正确表达为“He has been dead for two years.” 3. try to do sth. 与 try doing sth. 短语 含义 例句 try to do sth. 尽力做某事,强调努力过程 I tried to finish my homework before 8 o'clock, but I failed.(我尽力在8点前完成作业,但失败了。) try doing sth. 试着做某事,强调尝试新方法 If you can't open the door, try turning the key the other way.(如果你打不开门,试着把钥匙反方向转一转。) 4. compare with 与 compare to 短语 含义 例句 compare with 把A和B相比较,对比异同 Compared with last term, my English score has improved a lot.(和上学期相比,我的英语成绩提高了很多。) compare to 把A比作B,类比相似点 People often compare a teacher to a candle.(人们常把老师比作蜡烛。) 5. fit 与 healthy 单词 含义与侧重点 例句 fit adj. 健壮的;健康的(侧重锻炼后的状态);v. 适合 ① He keeps running every day to stay fit.(他每天跑步以保持健壮。)② This shirt fits me well.(这件衬衫很适合我。) healthy adj. 健康的(范围更广,可修饰饮食、习惯等) ① Eating more vegetables is good for our health.(多吃蔬菜对我们的健康有益。)② She has a healthy lifestyle.(她有健康的生活方式。) 6. pay attention 与 pay attention to 短语 用法 例句 pay attention 单独使用,不接宾语,表“注意;专心” The teacher told us to pay attention in class.(老师告诉我们上课要专心。) pay attention to 后接名词、代词或动名词,to为介词 You should pay attention to your pronunciation when speaking English.(说英语时,你应该注意你的发音。) 易错提示:不可说“pay attention to read books”,正确表达为“pay attention to reading books” ( 1 ) 学科网(北京)股份有限公司 $

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Unit 2 Go for it! 重要知识点讲解 2025-2026学年外研版英语七年级下册
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Unit 2 Go for it! 重要知识点讲解 2025-2026学年外研版英语七年级下册
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Unit 2 Go for it! 重要知识点讲解 2025-2026学年外研版英语七年级下册
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