Unit 5 The power of plants（下）-2026-2027学年七年级英语上册知识点精讲（外研版）

Unit 5 The power of plants 知识点精讲（下） Q单元核心词汇 change missing plenty peaceful friendly arrive full 。单元同步语法 现在进行时表将来(go/come/leave等趋向动词) 。单元文章对话 重点句型讲练 A 教材同步词汇全解全练 重点1 单元词汇 1.change /tfernd3/v.改变；变化；兑换n.变化；零钱 词形变化：changes(第三人称单数；changing(现在分词)；changed(过去式/过去 分词) 搭配：change into变成；change..for.用..换...；a change of clothes换洗衣 服 例佝：The weather can change quickly.天气变化很快。 Can you change a ten-yuan note'?你能换开十元钱吗？ 2.missing/mIsIn/adj.失踪的；丢失的；缺少的 词形变化：miss(v.想念；错过；missed(过去式/过去分词) 搭：be missing丢失；go missing失踪 例佝：My cat is missing.我的猫不见了。 He is missing his family.(注意：比时missing为动词的现在分词，表示"想 念”，但初中常见形容词用法) 拓展：missing与lost近义，但missing强调"不在原位”，lost强调"找不 到”。 3.plenty/plenti/n.丰富；大量pron.大量 词形变化：plentiful(adj.充足的) 搭配：plenty of许多，大量（修饰可数不可数名词，只用于肯定句） 例句：There is plenty of food..有充足的食物。 We have plenty of time.我们有大量时间。 注意：plenty of后接名词复数或不可数名词，动词与名词保持一致。 4.peaceful/'pi:sfl/adj..和平的；安宁的；平静的 词形变化：peace(n.和平)；peacefully(adv.和平地) 搭配：a peaceful place安静的地方；live in peace和平生活 例佝：The countryside is very peaceful..乡村排常宁静。 We hope for a peaceful world.我们期望和平的世界。 5.friendly/'frendli/adj.友好的；友善的 词形变化：friend(n.朋友)；friendship(n.友谊)；unfriendly(adj.不友好的) 搭配：be friendly to sb.对某人友好 例佝：Our teacher is very friendly.我们的老师很友好。 The dog is friendly to children.这条狗对孩子友善。 6.arrive/e'rarv/v.到达；抵达 词形变化：arrives(第三人称单数)；arrived(过去式/过去分词)；arriving(现在分 词) 搭配：arrive at+小地方（学校、车站）；arrive in+大地方（城市、国家）；arrive home到家(home为副词，不用介词) 例佝：Ne arrive at school at7:30.我们七点半到校。 When did you arrive in Beijing?你什么时候到达北京？ 注意：与reach(及物动词)和get to同义。 7 full /fol/adj..满的；充满的；饱的 词形变化：fully(adv.完全地)；fullness(n.满) 搭配：be full of=be filled with充满；a full moon满月 例佝：The bus is full of people..公共汽车里挤满了人。 'm full..Ican't eat any more.我饱了，不能再吃了。 考点通关 单元词汇 (一)单句填空 (用所给词的适当形式填空) 1.I want to (make)friends with my new classmates 2.My pen is (miss).I can't find it anywhere 3.There are (plenty)of books in the library. 4.We live in a (peace)community 5.Our new neighbour is very (friend)to us 6.What time does the train (arrival)at the station? 7.The bottle is (full)of water.Don't spill it. 8.Please (change)your clothes before dinner. 9.She felt (peace)when listening to music. 10.1 (arrive)home late yesterday 11.They are (friend)with each other. 12.The box is (full)of toys.It's heavy. (二)短文填空 Dear Tom, How are you?I'm writing to tell you about my new school life.It's very 1. (peace)here.The campus is beautiful and the air is clean.There are 2. (plenty)of trees and flowers.My classmates are very 3. (friend).They often help me.My teacher says we should 4._ (change)our bad habits.I think she is right.Yesterday,I 5. (arrive)at school on time.I looked for my pencil box,but it was 6. (miss).I felt worried.Later,I found it under my desk.It was 7. (full)of pens and pencils.I was so happy.I hope you can come and visit me.Please write back soon. Yours, Li Hua 参考答案 1.changing;2.missing;3.plenty;4.peaceful;5.friendly;6.arrive;7.full; (一)单句填空 8.change;9.peaceful;10.arrived;11.friendly;12.full (二) 短文填空 1.peaceful;2.plenty;3.friendly;4.change;5.arrived;6.missing;7.full 教材同步语法全解全练 重点2 单元语法 现在进行时表将来(go/come/leave等趋向动词) 项目 内容 在英语中，某些表示位置移动的动词（如 定义 go,come,leave,arrive,start,fly等)可以 用现在进行时(be+doing)表达即将发生 的动作，常与表示将来的时间状语连用。 肯定句：主语+am/is/are+动词-ing+将 来时间(l am leaving tomorrow.) 否定句：主语+am/is/are+not+动词 ing+将来时间(He is not coming tonight.) 结构 一般疑问句：Am/Is/Are+主语+动词-ing +将来时间？(Are they going to Beijing next week?) 特殊疑问句：特殊疑问词+am/is/are+主 语+动词-ing+将来时间？When are you leaving?) 常见趋向动词 go,come,leave,arrive,start,fly,move, return 常用时间状语 tonight,tomorrow,next week/month, this evening,soon We are going to the zoo tomorrow. The bus is arriving at 8:00. 例句 She is coming back tonight. Are you leaving now? *When is the train leaving? 考点通关 单元语法 语法专练一：单项选择(8题) 1.-When you for Shanghai? -Next Monday. A.do;leave B.are;leaving C.is;leave D.are;leave 2.Look!The plane in ten minutes. A.is arriving B.arriving C.arrives D.arrive 3.My mother to the supermarket this evening. A.goes B.is going C.go D.are going 4. they to the park this weekend? -Yes,they are. A.Are;go B.Are;going C.Do;go D.Is;going 5.1 my uncle next Sunday. A.am visiting B.visit C.visits D.visiting 6.The train at 7:30,so we must hurry. A.leaves B.leaving C.is leaving D.leave 7.-What are you doing this Saturday? — a basketball game with my friends A.watch B.am watching C.watches D.watched 8.They to London tomorrow morning. A.fly B.flying C.are flying D.flies 语法专练二：语法填空(10题) 用所给动词的适当形式填空，每空一词。 1.1 to the library this afternoon. 2.The boss for Beijing tomorrow 3.We a party next Friday. 4.-When you your trip? -Next month. 5.Look!The bus 6.She to the meeting tonight. 7.- they at the airport soon? -Yes,they are. 8.My parents home next week. 9.The movie in five minutes. 10.1 until you tell me the truth. 参考答案 语法专练一：单项选择 1.B;2.A;3.B;4.B;5.A;6.C;7.B;8.C 1.am going;2.is leaving;3.are having;4are;starting; 语法专练二：语法填空 5.is coming;6.is not coming isn't coming;7.Are; arriving;8.are returning;9.is beginning;10.am not leaving A 教材同步文章句型精讲 重点3 文章句型 1.There used to be thousands of us. 结构：There used to be+名词短语（过去常常有…） 短语：thousands of成干上万的 译：过去曾经有成干上万只我们。 2.You may think I'm just a character in Alice's Adventures in Wonderland. 结构：主语+may think+宾语从句 短语：a character in.里的一个角色 译：你他许觉得我只是《爱丽丝梦游仙境》里的一个角色。 3.Actually,there used to be thousands of us for real. 短语：for real真的，真实地 译：实际上，过去真的有成千上万只我们。 4.We lived on an island in the Indian Ocean. 结构：主语+lived on+地点 短语：in the Indian Ocean在印度洋 译：我们生活在印度洋的一个岛屿上。 5.All the other animals were friendly. 结构：all the other+复数名词+were+形容词 短语：all the other所有其他的 译：所有其他的动物都很友好。 6.What a peaceful and safe life! 结构：What a/an+形容词+名词+主语+谓语！（感叹句） 短语：peaceful and safe和平又安全的 译：多么和平又安全的生活啊！ 7.However,in 1598,humans arrived. 结构：时间状语+主语+谓语（一般过去时） 短语：in1598在1598年 译：然而，在1598年，人类来了。 8.They cut down the trees and our lovely forest was gone. 结构：主语+cut down+名词（砍倒） 短语：be gone消失了，不在了 译：他们砍倒了树木，我们可爱的森林消失了。 9.They hunted us because we were slow and couldn't fly. 结构：主句+because+原因状语从句 短语：couldn't fly不能飞 译：他们猎杀我们，因为我们很慢而且不会飞。 10.As a result,we soon died out. 短语：as a result结果；die out灭绝 译：结果，我们很快就灭绝了。 11.When you see us,please remember our sad story. 结构：When+时间状语从句，主句（祈使句） 短语：remember our sad story记住我们悲伤的故事 译：当你们看到我们时，请记住我们悲伤的故事。 12.Please try your best to help them. 结构：try one's best to do sth.尽力做某事 译：请尽力帮助它们。 (13.Make them as happy as a clam,not as dead as a dodo. 结构：make+宾语+形容词；as+形容词+as+名词（像.…一样…） 短语：as happy as a clam像蛤蜊一样快乐（非常快乐）；as dead as a dodo像 渡渡鸟一样灭绝（早已过时） 译：让它们像蛤猁一样快乐，而不是像渡渡鸟一样灭绝。 考点通关 文章句型 练习一：单项选择(10小题) 1.There thousands of dodos in the past. A.is B.are C.used to be D.was 2.The dodo is character in Alice's Adventures in Wonderland. A./ B.a C.an D.the 3.Dodos lived an island in the Indian Ocean. A.in B.on C.at D.for 4.All the other animals friendly A.is B.are C.was D.were 5. a peaceful life they had! A.What B.What a C.How D.How a 6.In 1598,humans A.arrive B.arrived C.arrives D.arriving 7.People cut the trees and the forest was gone. A.off B.up C.down D.out 8.Dodos died out humans hunted them. A.so B.but C.because D.and 9.Please try your to help animals. A.good B.well C.best D.better 10.Make animals as happy a clam. A.so B.as C.like D.than 练习二：完成句子（根据中文提示完成英文句子，每空一词） 1.过去曾经有成汗上万只渡渡鸟。 There be thousands of dodos. 2.你也许觉得我只是一个角色。 You think I'mjust a 3实际上，它们真的存在过。 Actually,they were for 4.渡渡鸟生活在印度洋的一个岛屿上。 Dodos an island in the Indian Ocean. 5.所有其他的动物都很友好。 the other animals friendly. 6.多么和平又安全的生活啊！ and safe life! 7.人类砍倒了树木。 Humans the trees. 8.它们因为很慢并且不会飞而被捕猎。 They were hunted they were slow and fly. 9.结果，它们很快就灭绝了。 a they soon died out. 10.让动物们像蛤琍一样快乐。 them as happy a clam. 练习三：翻译句子（根据中文意思翻译成英语） 1.过去曾经有很多渡渡鸟。 2.它们生活在印度的一个岛屿上。 3.所有其他的动物都很友好。 4.多么和平的生活啊！ 5.人类砍倒了树木。 6.因为渡渡鸟很慢而且不会飞，所以它们被猎杀了。 7结果，它们灭绝了。 8请尽力帮助动物们。 参考答案 练习一：单项选择 1.C2.B3.B4D5.A6.B7.C8.C9.C10.B 1.used to 2.may;character 3.real;real 4.lived on 5.All;were 练习二：完成句子 6.What;peaceful 7.cut down 8.because;couldn't 9.As;result 10.Make;as 练习三：翻译句子 1.There used to be many dodos. 2.They lived on an island in the Indian Ocean. 3.All the other animals were friendly. 4.What a peaceful life! 5.Humans cut down the trees. 6.Dodos were hunted because they were slow and couldn't fly. 7.As a result,they died out. 8.Please try your best to help animals. A 教材同步单元练习 一、阅读理解 A篇 Are pandas really as cute and harmless()as they seem?In fact,pandas have a surprising side.Although they mainly eat bamboo,pandas are actually omnivores( )In the wild,they sometimes eat small animals or eggs.Their strong jaws (can bite (through bamboo,but they can also cause serious harm. Pandas are also excellent tree climbers.Young pandas climb trees to escape from enemies.Adult pandas climb to find food or rest high up in the branches.This skill helps them survive in the forests. Another little-known fact:pandas communicate by making sounds like bleats() and barks.Mother pandas talk to their babies with special noises.They also leave scent marks(气味标记)on trees to tell other pandas"This is my home." In 2021,China downgraded pandas from "endangered"to "vulnerable( )"This is great news!But there are still only about 1,800 pandas living in the wild. We need to keep protecting the bamboo forests so pandas can live safely.As the WWF says,"Together,we can make a difference for pandas." ()1.What does the word "harmless"mean in the first paragraph? A.无害的 B.有害的 C.可爱的 D.危险的 ()2.Why do young pandas climb trees? A.To find food. B.To rest high up. C.To escape from enemies. D.To play with friends. ()3.How do pandas communicate according to the passage? A.Only by making sounds B.Only by leaving scent marks. C.By making sounds and leaving scent marks. D.By moving their tails. ()4.What happened to pandas in 2021? A.They became endangered. B.They became more dangerous. C.They were no longer endangered. D.They were all caught and kept in zoos. ()5.What is the author's main purpose in writing this passage? A.To show how cute pandas are. B.To tell people pandas are dangerous. C.To introduce some little-known facts about pandas and call for protection. D.To explain why pandas eat bamboo. B篇 Dolphins are very friendly animals.They live in groups and help each other.Sometimes, they even help humans.There are many stories about dolphins saving people in the sea.But do you know that dolphins can also "talk"to each other? Dolphins make different sounds to communicate.They use clicks to find food and find their way.This is called echolocation(▣声定位).They also whistle(吹口哨)to "talk"with other dolphins.Each dolphin has a special whistle,just like a name.When a dolphin wants to call a friend,it will make that friend's whistle. Scientists have found that dolphins can remember the whistles of their friends for more than 20 years!Even if they don't see each other for a long time,they still recognize(H)the sound.This shows how strong their friendship is. However,dolphins are in danger today.Many dolphins are killed by fishing nets.Some are hurt by pollution in the ocean.We should protect these wonderful animals and their ocean home.As a famous saying goes,"The greatness of a nation can be judged by how it treats its animals." ()1.How do dolphins find food? A.By using their eyes. B.By making clicks. C.By smelling. D.By asking other dolphins. ()2.What does the special whistle of a dolphin mean? A.It means danger. B.It's like a name. C.It means food. D.It's a call for help. ()3.How long can dolphins remember their friends'whistles? A.For a few days. B.For a few months. C.For more than 20 years. D.For their whole life. ()4.Why are dolphins in danger? A.Because they have too many enemies. B.Because they can't find enough food. C.Because they are killed by fishing nets and hurt by pollution. D.Because they are caught for shows. ()5.What is the best title of this passage? A.How Dolphins Talk B.Dolphins:Our Ocean Friends C.The Danger Dolphins Face D.How to Protect Dolphins 二、完形填空 Good morning,everyone!Today I'd like to share a story about my best friend,Tim. Tim and I 1.classmates since primary school.He is a friendly boy and always 2. me when I have problems.Last month,I lost my favorite watch.I was very 3. because it was a gift from my grandfather.Tim noticed I was sad and 4. to help me look for it.We searched everywhere-in the classroom,the playground,and even the library.5.,we found it under a desk in the music room.I was so thankful! Tim also loves animals.He has a dog 6.Lucky.Every weekend,he 7. Lucky for a walk in the park.He says animals are fantastic friends.Last year,he 8. _a bird with a broken wing and took care of it until it could fly again."We should be kind to all animals,"Tim often says. 9. my best friend,Tim teaches me the meaning of true friendship.I hope we can stay friends forever.After all,10.a friend like Tim makes life more colorful. ()1A.are B.have been C.were D.will be ()2 A.helps B.helped C.is helping D.will help ()3 A.happy B.excited C.sad D.angry ()4A.offered B.offers C.was offering D.is offering ()5 A.Suddenly B.Luckily C.Unluckily D.Finally ()6A.call B.calls C.called D.calling ()7 A.took B.takes C.is taking D.will take ()8 A.finds B.found C.has found D.was finding ()9A.For B.With C.To D.As (10 A.have B.has C.having D.to have 三、阅读短文回答问题 Many animals are in danger because of human activities.One such animal is the African elephant.Thousands of years ago,there were millions of African elephants.But now,only about 400,000 are left.Why are they in danger? First,people cut down forests to make farms and cities.This takes away the elephants'homes.Elephants need large areas to find food and water.Without enough space,they cannot survive. Second,some people hunt elephants for their ivory tusks ()Although it is illegal to sell ivory,some hunters still kill elephants to get tusks.This is a big problem. Third,climate change气候变化)also affects elephants..In some places,,there is less rain,so rivers dry up.Elephants cannot find enough water to drink. What can we do to help?We can support organizations that protect elephants.We can also learn more about them and tell others about their situation.Every small action counts.Let's be a friend to elephants! 1.How many African elephants were there thousands of years ago? 2.(1)People cut down forests and took away elephants'homes. 3.(2)Some people hunt elephants for their ivory tusks. 4.(3)Climate change causes less rain and rivers dry up. 5.What does the word "illegal"mean in the third paragraph? 6.What can we do to help African elephants?(Give one example) 7.What is the passage mainly about? 四、短文填空 用方框中所给单词的适当形式填空，使短文完整正确。（每个单词限用一次，每空限填一个单 词。) change,friend,peace,arrive,full,miss,plentiful,danger,die,help Do you know the dodo?It was a large bird that lived on an island in the Indian Ocean. Long ago,there was 1. of food for dodos.They lived a 2.and safe life. All the other animals were 3. to them. But in 1598,humans 4.on the island.They 5.the forest by cutting down trees.They also hunted dodos because the birds were slow and couldn't fly. Soon,the number of dodos began to 6.,As a result,the dodos 7.out completely.Today,you can only see them in museums. This sad story 8. us that we should protect animals.The world is 9.of amazing creatures.Please don't let any more animals go 10..Try your best to help them! 1. 2. 3. 4. 5. 6 7 8. 9. 10 五、导作 话题：My Fantastic Animal Friend 提示： 1.你的动物朋友是什么？ 2.你们之间有什么故事？ 3.你对动物有什么看法？ 要求：80词左右，语句通顺，语法正确。 参考答案 一、 阅读理 A篇：1.A2.C3.C4.C5.C 解 B篇：1.B2.B3.C4.C5.B 二、完形填 1.B;2.A;3.C;4.A;5.D;6.C;7.B;8.B;9.D;10.C 空 There were millions of African elephants. (1)People cut down forests and took away elephants'homes. (2)Some people hunt elephants for their ivory tusks. 三、阅读短 (3)Climate change causes less rain and rivers dry up. 文回答问题 It means"违法的”/"非法的”. We can support organizations that protect elephants./We can learn more about them and tell others. It is mainly about why African elephants are in danger and how we can help them. 四、短文填 1.plenty 2.peaceful 3.friendly 4.arrived 5.changed 6.die 7.died 8.helps 9.full 空 10.missing 五、导作 范文： My Fantastic Animal Friend My fantastic animal friend is a lovely dog named Coco.I got her two years ago on my birthday.She is white and brown,with big bright eyes.Coco is very friendly and always wags her tail when she sees me.Last summer,I was sad about my exam.She came to me and licked my hand,making me feel better.Animals like Coco bring us joy and love.We should treat them as true friends and protect them.They make our world more wonderful.