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2025新人教版八年级英语上册Unit 7课文重点知识语法讲解及练习题
Section A
【知识点1.】Which of the predictions do you think will come true in 100 years 你认为在100年以后以下哪一个预期将会实现？
【用法详解】“in+时间段”表示“在..之后”;常用于一般将来时。对“in+时间段”的提问，使用how soon意为“还要多久”。in three days 三天后，in two weeks 两周后，in 100years100年后。
Eg:I think there will be more pollution in 50 years.我认为50年后会有更多的污染。
Eg: How soon will you finish your homework 你多久能完成作业
---in an hour 一个小时以后
相关拓展：“for+时间段”表示“做某事持续多久”。常用于现在完成时。对“for+时间段”的提问，使用how long意为“多久”。
Eg: My brother danced for 2 hours yesterday.我弟弟昨天练舞了两个小时。
Eg: How long has Sean exercised on Sunday.肖恩周天锻炼了多久
---for two hours.两个小时。
练习题
( )1. will you go to school ---in a week.
A. How long B. How soon C. How often D. How far
( )2. will you stay in Beijing ---For about a week.
A. How long B. How soon C. How often D. How many
( )3. can we expect to hear from you again ---In a couple of days.
A. How long B. How soon C. How often D. How fast
( )4.-- _is it from your home to the school ---About ten minutes' walk.
A. How long B. How soon C. How often D. How far
( )5. does the train leave for Shanghai ---In half an hour.
A.How long B. How soon C. How often D. How many times
【知识点2.】AI and robots will take over boring work.所有的机器人将接替无聊的工作。
【用法详解】take over意为“接替；接管；接收”
Eg:Miss Li took over our class when we entered grade 3.三年级后李老师接管了我们班。
相关搭配:take over from sb接替某人
Eg:He took over the basketball match from me .他接替我继续篮球比赛。
练习题
（ ）1.The new worker will the project next week.
A.take over B. take off C. take up D.take away
（ ） 2.He____ _his brother's duties during the vacation.
A. took down B. took after C. took over D.take out
【知识点3.】A new sci-fi film is coming out .一部新的科幻电影正在热映。
【用法详解】①come out意为“出版；发布；上映”。
Eg:His new movie will come out next week.他的新电影下周上映。
②come out意为“出现；出来”。
Eg:The stars came out as the sky darkened.天空变暗后，星星出现 。
③come out意为“揭露；曝光”。
Eg:The truth came out in the news yesterday.昨天新闻曝光了事件的真相。
④come out意为“结果是...”。
Eg:Everything came out well in the end.最终一切都很顺利。
⑤come out意为“开花；盛开”
Eg:Jasmines will come out in Summer .茉莉会在夏天盛开。
练习题
( )1.Spring is coming,the flowers will
come on B. come out C. come over D.come up
( )2.The film acted by WangYiBo was last year.
came on B. come out C. come om D.came out
【知识点4.】So what will the future be like 所以未来将会是什么样的？
【用法详解】①like作介词,译为“像,类似”。Be like问“内在”,用于描述内在特质(性格、行为等) 。
①对性格,品质进行提问What is/are sb. like 某人是什么样的人
Eg:What is she like 她是什么样的人
---She is quiet她很文静
②:look like问“外在”仅指视觉可见的外貌特征。对外貌进行提问What do/ does sb. look like 某人长什么样
Eg:What does he look like 他长得什么样
---He has two big eyes.他有两个大眼睛.
③.作为动词,译为"喜欢"。询问某人喜欢什么 What do/ does sb.like 某人喜欢什么
Eg:What does he like 他喜欢什么 ----- He likes camping with all things.他喜欢搬家露营.
练习题
（ ）1. - What does your brother look like ------ .
A. He likes football B. He is tall and thin C.He is kind D. He is at home
（ ）2. -Can you tell me -- ---He’s active and energetic.
A. What does he like B.What he likes C. What he is like. D. What is he like
（ ）3.-What does your new friend look like ------ _.
A.He is from Australia B. He is tall and of medium build
C. He is very nice to others D. He has a pair of blue shoes
【知识点5.】It means that there will be fewer traffic accidents. 这就意味着交通事故会更少。
【用法详解】fewer意为“更少的”。是few的比较级形式。修饰可数名词。
Eg:There will be fewer mistakes if you more careful.如果你更认真的话就会犯更少的错。
相关拓展：①less意为“更少的”。是little的比较级形式。修饰不可数名词。
Eg:More and more people go out by bike to make less pollution .越来越多多的人骑车出行来减少污染。
②辨析 little, a little, few, a few
a few意为“有一些;有几个"，表示肯定的意义。修饰可数名词。
few意为“没有，几乎没有"，表示否定的意义。修饰可数名词。
a little意为“有一点，有一些”，表示肯定的意义。修饰不可数名词。
little意为“几乎没有”，表示否定的概念。修饰不可数名词。
练习题
( )1.To make mistakes,I think you should be careful with your homework.
A. Less, much more B.fewer ,much more C. less,many much D.fewer ,many more
( )2. There were _rainy days this month than last month.
A. Less B.fewer C. little D.few
( )3. It took me than an hour to complete my homework.
A. Less B.fewer C. little D.few
( )4. My little sister has__less money in her piggy bank than I do.
A. more B.fewer C. less D.few
( )5. The swimming pool has water than it did last week.
A. Less B.fewer C. more D.few
【知识点6.】Machines will tell us how to solve small health problems before they become bigger。机器会在小的健康问题变大之前告诉人们如何解决。
【用法详解】tell 作动词，意为“告诉；讲述”，
相关搭配：tell sb(not) to do sth 告诉某人做(不做)某事
Eg:My teacher told us not to eat in class.我的老师告诉我们不要在课堂上吃东西。
tell sb sth=tell sth to sb告诉某人某事
Eg: Please, tell me the truth.求你，把真相告诉我。
tell sb.+ 宾语从句告诉某人....
Eg: She tells me(that) She will be our new English teacher.她告诉我她将会是我们的新英语老师。
tell sb+特殊疑问词+to do告诉某人...
Eg: He told me how to get there.昨天他告诉我怎么去哪儿
相关拓展：tell a story讲故事 tell the truth 说实话 tell the world 郑重声明 tell a lie 说谎;撒谎
练习题
( )1.Can you_ me the way to the bakery
A.say B.speak C.talk D.tell
( )2.Sugar likes to jokes when she meets us.
A.speak B.say C.tell D.talk
( )3.Tiny can English very well.
A.speak B.say C.tell D.talk
( )4.We should hello to our friends and teachers when we meet them.
A.say B.speak C.talk D.tell
( )5.My brother told me playing basketball more can keep fit.
A. practise B. to practise C. practising D. practise
【知识点7.】How long will most people live 人们将会活多久？
【用法详解】①how long指多长时间，主要用来对一段时间(如three days, four weeks 等)提问,常用“for+时间段”或“since+时间点”回答。
Eg:How long have you known him 你认识他有多久了
For six years.六年了。
②how long可以用来提问具体物体的长度。
Eg:How long is the board 这条木板有多长 About one meter.大约一米。
相关拓展：how long、how soon、how often、how far
how long 多久;多长时间 常对时间段提问 常用“for+一段时间”或“since+时间点” “since+时间段+ago”来回答
how soon 多久以后 对“in+时间段”提问，常用于一般将来时态的句子中 其答语常用“in+时间段”
how often 多久一次 对频率提问 其答语常用“once(twice/….)+时间段”， always，often等频度副词
how far 多远 对距离提问 其答语是表距离的内容 Five kilometers五公里 Five minutes’ walk 五分钟的路
练习题
( )1.- has he studied English. He has studied English for ten years .
A. how much B. how far C. how many D. how long
( )2.-__ _is it from here to our school 一It is five kilometers from here to our school.
A. how much B. how far C. how many D. how long
( )3.-____will the bus leave Nanjing for Shanghai -The bus will leave Nanjing for Shanghai in a moment.
A. how much B. how soon C. how many D. how long
( )4. -Tom, your teeth look so nice.____do you brush your teeth -Twice or more a day.
A. How many times B. How long C. How often D. How soon
( )5.-___has Hong Kong been back to our motherland -For 22 years. How time flies!
A. How long B. How soon C. How often D.How much
Section B
【知识点1.】Dr Roberts,thank you for joining us.罗伯特博士，谢谢你加入我们。
【用法详解】thank you for = thanks for 意为“为...表示感谢”，强调感谢的原因。for 后面可跟名词、代词或动词-ing 形式。
相关搭配：thank you for doing sth =thanks for doing sth 感谢做某事。
Eg:Thank you for giving me good night greeting every night .谢谢你送我的晚安。
相关拓展：①be thankful to do sth 感激能够做某事。
Eg:I was thankful to get this ticket to the concert of my idol.我非常感激能够得到我担演唱会的门票。
②thanks to 意为“多亏了.…;由于...的帮助”，相当于because of...或with the help of...，强调感谢的对象。在此短语中，to是一个介词，后接名词或代词。
Eg:Thanks to my brother , I am happy again.多亏我的弟弟，我心情又好了。
练习题
( )1. Thanks for the flowers for me.
A.watering B. water C. watered D. to water
( )2.- the teacher, I passed the English exam!
A.Thank for B. Thanks to C.Thanks for D. Thank to
【知识点2.】So,as a futurist,can you tell us how life will be different in 50 years 所有，作为一名未来学家，你可以告诉我们50年以后我们的生活会有什么不同吗？
【用法详解】1.futurist 作名词，意为“未来学家”。指研究未来趋势(如科技、社会发展)的专家。
相关拓展: future 未来的 futuristic 未来派的，超前的
2.as作介词，意为“作为，当做；以...的身份”，后常接名词。
Eg:As a student,we should pay more attention to our study.作为一个学生，我们应该更聚力于我们的学习。
相关拓展：①work/ serve/function/act as sb/sth作为........; 担任...........
Eg:My brother works as a teacher in a middle school. 我弟弟在一个中学当老师。
② view / treat/ consider /regard recognize/ acknowledge A as B 把A视为B;承认A是B
Eg:Our head teacher treat us as his kids.我们班主任对待我们就像自己的孩子。
③As作为连词，引导时间状语从句，表示:当......时候
Eg:The thief was caught as/when he was stealing in the supermarket.小偷在超市行窃时被逮住了。
④As 作为连词，引导方式状语从句，表示:如...像....按照...的方式
Eg:He laughed as a kid when he met his brother .见到哥哥他笑得像个孩子。
⑥As 作为连词，引导原因状语从句，表示:因为…
Eg:As she was ill, she didn't come to the party.由于病了，她没来参加晚会。
练习题
( )1.He climbed the rock a blue sheep(岩羊).
A.like B. seem C. as D. similar
( )2. The teacher didn’t come this morning____ __she was ill.
A.because of B.as C.so D.cause
3. She wants to be a when she grow up. (future)
4.we won’t work together in a big offices .(在将来)
5.随着时间的推移，天气变得越来越暖了。(翻译)
.
【知识点3】you will see robots working everywhere.你将到处都看到机器人在工作。
【用法详解】see是一个感官动词，感官动词 +doing 表示动作的连续性，进行性。
相关搭配：see sb doing sth 看见某人正在做某事
Eg:I saw him working in the garden yesterday.
昨天我看到他正在花园里干活。（强调"我见他正干活"这个动作）
相关拓展：感官动词 + do表示动作的完整性，真实性。
See sb do sth 看见某人做某事。
Eg:I saw him work in the garden yesterday.昨天我看见他在花园里干活了。(强调"我看见了"这个事实)
此类词还有：see, watch, observe, notice, look at, hear, listen to, smell, taste, feel
练习题
（ ）1.They knew her very well. They had seen her _ __ up from childhood.
A. grow　 B. grew C. was growing　 D. to grow
（ ）2.The missing boy was last seen ___ near the river.
play B. to be playing C. playing　 　 D. to play
3. The old man often see the students (play) basketball after dinner.
4. The old man saw the students (play) basketball when he passed by.
5. They noticed someone (talk) when they passed the classroom.
【知识点4】they will also help save lives when disasters and emergencies happen.在灾难和紧急情况下，它们也会帮助拯救生命。
【用法详解】①disaster作可数名词，意为“灾难、灾祸、灾害，指大破坏、痛苦或伤亡”。 语气较弱，强调最终的结局。
Eg:That was a disaster if ever there was one! 那确实是场灾难。
②emergency作可数名词，意为“突发事件，紧急情况”。作形容词，意为“紧急的;应急的”。
Eg:I can’t come to work due to a family emergency.我家里有个紧急情况不能来上班了。
相关拓展：major emergency重大事故 medical emergency紧急医疗事件 minor emergency轻微事故
【知识点5】Some jobs today will disappear in the coming years.在未来的几年如今的一些工作都将消失。
【用法详解】①disappear 作动词，意为“消失;不见”。强调从视线中或某个地方消失，不再被看见或存在于原来的位置，不一定意味着彻底消失或不存在。
Eg:I want to take a photo for you ,but The moon disappeared behind the clouds.我想给你拍个月亮，但是它老不出来。
②词缀 dis-常加在名词、动词或形容词前面,表示否定意义,或表示“分开”。
Eg:appear出现→disappear消失 agree同意→disagree不同意
Satisfied满意的→dissatisfied不满意的 like喜欢→dislike不喜欢。
练习题
1.The magician made the rabbit （appear）
【知识点6】our creativity and emotional intelligence are important for relationships.Al will not replace humans for these things.我们的创造力和情感智能对人际关系很重要，人工智能无法替代这些方面的人类。
【用法详解】①creativity作名词，意为“创造力,创新的能力”。其动词形式是 create 意为“创造;创作; 创建 ”形容词形式是creative 意为“创造性的；创新的”。creation 是另一个名词形式，意为“创作；创造物”，是指通过创意和努力产生新的事物。 creator 创作者；创造者。
Eg:The scientists of China is full of creativity.中国的科学家们创造力十足。
②emotional作形容词，意为“情感的；情绪的；情绪化的”。
描述与情绪或情感有关的事物，或形容某个人的感受、反应等。
Eg:I try and help people deal with emotional problems.
我帮助人们应对情绪上的问题。
③intelligence作名词，意为“.智能，智力，情报”。其形容词形式为intelligent意为“聪明的”。
AI: artificial intelligence 人工智能
练习题
1. Our school held a creative ( create) math competition last week .
2. Do you feel like creating ( create) some new ice cream
【知识点7】you mentioned AI.你提到了AI.
【用法详解】mention 作动词，意为“提及、谈到”。
相关搭配mention sth to sb 向某人提及某事。
Eg:She forget to mention the meeting time to me.她忘记跟我提会议的时间了。
Don’t mention it 小事一桩，不足挂齿。表达“不客气”。
练习题
（ ）1.Thanks for you helping with my math.
------
A.no thank you B.it doesn’t matter C.Don’t mention it D.take it easy
（ ）2.I’m very sorry to break your cup
------
A.not at all B.it doesn’t matter C.no sorry D.Don’t mention it
【知识点8】How can we prepare for the future 我们应该如何准备未来？
【用法详解】①prepare for... 意为“为……做准备。
Eg:We are preparing for the final exam.我们正在为期末考试做准备。
②prepare to do sth.意为“准备做某事’。
Eg:She is preparing to sing a song.她正准备唱一首歌。
③prepare sb.sth.=prepare sth.for sb.意为“为某人准备某物”
Eg:we are preparing him a Birthday party=we are preparing a Birthday party for him.我们正在为他准备生日聚会。
相关拓展：be/get ready for sth.为某事做准备 be/get ready to do sth.准备好做某事
练习题
( )1.I am preparing you at any time.
A.to help B. help C. helping D.helped
( )2.They are doing a lot of exercise to prepare the sports meeting.
A.to B. for C. in D.of
【知识点9】Today's choices will influence your future.今天的选择会影响你的未来。
【用法详解】1.influence作动词，意为“影响；对……起作用”。作名词，意为“影响；作用”。指对行动、思想、性格等产生的不易觉察到的、潜移默化的影响。
Eg:Idols have a powerful influence on teenagers nowadays. 如今，偶像对青少年有很大的影响。
相关搭配：①influence sb to do sth 影响某人做某事
②be influenced by….受……影响
③have an influence on sb/sth 对某人/某物有影响
2.choice作名词，意为“选择”，是可数名词。
Eg:There are many choices in our life. But if you choose, you must face it.在我们的生活中有很多选择，但如果你选了，就必须去面对它。
相关拓展：①choose作动词，意为“选择；挑选”。 choose sb. Sth 为某人挑选某物=choose sth. for sb.
Eg:He chooses me a good book as a birthday gift.=He chooses a good book for me as a birthday gift.他选择了一本书作为我的生日礼物。
②choose to do sth 选择做某事 choose ngt to do sth 选择不做某事
Eg:They choose to walk to the library because it is next to their house.他们选择走路去图书馆，因为就在旁边。
Eg:I choose not to go to the zoo with them because l don't finish my work.我选择不和他们去动物园，因为工作没完。
练习题
（ ）1.She chose abroad for her graduate program.
study B. to study C. studying D. studies
2.You must be make a good to into a better school.(choose)
参考答案
Section A
【知识点1.】Which of the predictions do you think will come true in 100 years 你认为在100年以后以下哪一个预期将会实现？
( B )1. will you go to school ---in a week.
A. How long B. How soon C. How often D. How far
( A )2. will you stay in Beijing ---For about a week.
A. How long B. How soon C. How often D. How many
( B )3. can we expect to hear from you again ---In a couple of days.
A. How long B. How soon C. How often D. How fast
( D )4.-- is it from your home to the school ---About ten minutes' walk.
A. How long B. How soon C. How often D. How far
( B )5. does the train leave for Shanghai ---In half an hour.
A.How long B. How soon C. How often D. How many times
【知识点2.】AI and robots will take over boring work.所有的机器人将接替无聊的工作。
（ A ）1.The new worker will the project next week.
A.take over B. take off C. take up D.take away
( C )2.He____ _his brother's duties during the vacation.
A. took down B. took after C. took over D.take out
【知识点3.】A new sci-fi film is coming out .一部新的科幻电影正在热映。
( B )1.Spring is coming,the flowers will
come on B. come out C. come over D.come up
( D )2.The film acted by WangYiBo was last year.
came on B. come out C. come om D.came out
【知识点4.】So what will the future be like 所以未来将会是什么样的？
（ B ）1. - What does your brother look like ------ .
A. He likes football B. He is tall and thin C.He is kind D. He is at home
（ C ）2. -Can you tell me -- ---He’s active and energetic.
A. What does he like B.What he likes C. What he is like. D. What is he like
（ B ）3.-What does your new friend look like ------ _.
A.He is from Australia B. He is tall and of medium build
C. He is very nice to others D. He has a pair of blue shoes
【知识点5.】It means that there will be fewer traffic accidents. 这就意味着交通事故会更少。
( B )1.To make mistakes,I think you should be careful with your homework.
A. Less, much more B.fewer ,much more C. less,many much D.fewer ,many more
( B )2. There were _rainy days this month than last month.
A. Less B.fewer C. little D.few
( A )3. It took me than an hour to complete my homework.
A. Less B.fewer C. little D.few
( C )4. My little sister has__less money in her piggy bank than I do.
A. more B.fewer C. less D.few
( A )5. The swimming pool has water than it did last week.
A. Less B.fewer C. more D.few
【知识点6.】Machines will tell us how to solve small health problems before they become bigger。机器会在小的健康问题变大之前告诉人们如何解决。
( D )1.Can you_ me the way to the bakery
A.say B.speak C.talk D.tell
( C )2.Sugar likes to jokes when she meets us.
A.speak B.say C.tell D.talk
( A )3.Tiny can English very well.
A.speak B.say C.tell D.talk
( A )4.We should hello to our friends and teachers when we meet them.
A.say B.speak C.talk D.tell
( B )5.My brother told me playing basketball more can keep fit.
A. practise B. to practise C. practising D. practise
【知识点7.】How long will most people live 人们将会活多久？
( D )1.- has he studied English. He has studied English for ten years .
A. how much B. how far C. how many D. how long
( B )2.-__ _is it from here to our school 一It is five kilometers from here to our school.
A. how much B. how far C. how many D. how long
( B )3.-____will the bus leave Nanjing for Shanghai -The bus will leave Nanjing for Shanghai in a moment.
A. how much B. how soon C. how many D. how long
( C )4. -Tom, your teeth look so nice.____do you brush your teeth -Twice or more a day.
A. How many times B. How long C. How often D. How soon
( A )5.-___has Hong Kong been back to our motherland -For 22 years. How time flies!
A. How long B. How soon C. How often D.How much
Section B
【知识点1.】Dr Roberts,thank you for joining us.罗伯特博士，谢谢你加入我们。
( A )1. Thanks for the flowers for me.
A.watering B. water C. watered D. to water
( B )2.- the teacher, I passed the English exam!
A.Thank for B. Thanks to C.Thanks for D. Thank to
【知识点2.】So,as a futurist,can you tell us how life will be different in 50 years 所有，作为一名未来学家，你可以告诉我们50年以后我们的生活会有什么不同吗？
( C )1.He climbed the rock a blue sheep(岩羊).
A.like B. seem C. as D. similar
( B )2. The teacher didn’t come this morning____ __she was ill.
A.because of B.as C.so D.cause
3. She wants to be a futurist when she grow up. (future)
4.we won’t work together in a big offices in the future .(在将来)
5.As time goes on, it's getting warmer and warmer.随着时间的推移，天气变得越来越暖了。(翻译)
【知识点3】you will see robots working everywhere.你将到处都看到机器人在工作。
（ A ）1.They knew her very well. They had seen her _ __ up from childhood.
A. grow　 B. grew C. was growing　 D. to grow
（ A ）2.The missing boy was last seen ___ near the river.
play B. to be playing C. playing　 　 D. to play
3. The old man often see the students play (play) basketball after dinner.
4. The old man saw the students playing (play) basketball when he passed by.
5. They noticed someone talking (talk) when they passed the classroom.
【知识点5】Some jobs today will disappear in the coming years.在未来的几年如今的一些工作都将消失。
1.The magician made the rabbit disappear （appear）
【知识点6】our creativity and emotional intelligence are important for relationships.Al will not replace humans for these things.我们的创造力和情感智能对人际关系很重要，人工智能无法替代这些方面的人类。
1. Our school held a creative ( create) math competition last week .
2. Do you feel like creating ( create) some new ice cream
【知识点7】you mentioned AI.你提到了AI.
（ C ）1.Thanks for you helping with my math.
------
A.no thank you B.it doesn’t matter C.Don’t mention it D.take it easy
（ B ）2.I’m very sorry to break your cup
------
A.not at all B.it doesn’t matter C.no sorry D.Don’t mention it
【知识点8】How can we prepare for the future 我们应该如何准备未来？
（ A )1.I am preparing you at any time.
A.to help B. help C. helping D.helped
( B )2.They are doing a lot of exercise to prepare the sports meeting.
A.to B. for C. in D.of
【知识点9】Today's choices will influence your future.今天的选择会影响你的未来。
（ B ）1.She chose abroad for her graduate program.
study B. to study C. studying D. studies
2.You must be make a good choice to into a better school.(choose)

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