Unit1 A busy weekend [知识点归纳]一、重要单词、短语：on holiday: 度假on duty: 值日tear the toilet paper: 撕纸break the vase: 打坏花瓶do the housework: 做家务take the dog for a walk: 溜狗draw on the wall: 在墙上画画be worried about: worry about 担心on the computer: 在电脑上write an e-mail: 写电邮go out: 出门throw away the rubbish: 丢垃圾write a shopping list: 写购物清单clear up the mess: 清理乱团call me on 1234 1234: 打1234 1234找我make a mess: 弄得乱糟糟二、重要句型：Grandpa is taking the dog for a walk. They have drunk the milk.He has eaten the sandwich. --- Have you written a shopping list yet?--- Yes, I have already written a shopping list.--- Have you thrown away the rubbish yet? --- No, I haven’t thrown away the rubbish yet.[巩固练习]一、写出下列动词的过去式，过去分词，现在分词。

break _________ _________ _________ do _________ _________ _________ draw _________ _________ _________ drink _________ _________ _________ eat _________ _________ _________ give _________ _________ _________ go _________ _________ _________ swim _________ _________ _________ take _________ _________ _________ tear _________ _________ _________ throw _________ _________ _________ write _________ _________ _________二、仿照例子写句子。

eg. He is tearing the toilet paper now.He has torn the toilet paper.He tore the toilet paper a moment ago.____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________三、句型转换：把下列各句变为否定句和一般疑问句。

eg: He has already done his housework.He hasn’t done his homework yet.Has he done his homework yet?1. Tom has already made a mistake.________________________________________________________________________2. Lily has already been to Canada three times.________________________________________________________________________3. They have already made a mess.________________________________________________________________________Unit 2 Special things we have done [知识点归纳]一、重要单词、短语：ride a horse: 骑马wear a costume: 穿戏服fly in a balloon 坐轻气球sing on the stage: 在舞台上唱歌drive a racing car: 赛车take a photo of cartoon characters: 拍卡通照famous: 著名的interesting: 有趣的exciting: 兴奋的so far: 直到现在play games: 玩游戏break records: 破纪录dangerous: 危险的fly around the world: 球飞世界spend holidays: 度假write to sb.: 写信给某人speak to sb.: 和某人谈话sing in a concert: 在音乐会上唱歌二、重要句型：Cherry is riding a horse.Sir Richard has had a very interesting and exciting life so far. Sir Richard enjoys doing dangerous and exciting things.Sir Richard has tried to fly around the world.Sir Richard doesn’t like smoking.He always in invites his staff to join him.He is one of the richest businessmen in the world.三、语法：现在进行进，be (am/ is/ are) + 动词的现在分词(V-ing)现在完成时，have/ has +动词的过去分词(V-ed)[巩固练习]一、写出下列动词的过去式，过去分词，现在分词。

ride _________ _________ _________ wear _________ _________ _________ fly _________ _________ _________ sing _________ _________ _________ drive _________ _________ _________ take _________ _________ _________ speak _________ _________ _________ see _________ _________ _________ write _________ _________ _________二、仿照例句造句：eg: be/ right a horse.→He is riding a horse.→He has ridden a horse.1. Mary/ wear a costume→____________________________________ →____________________________________ 2. Tom/ drive a racing car→____________________________________ →____________________________________ 3. Peter and Tim/ fly in a balloon→____________________________________→____________________________________4. she/ sing in a concert→____________________________________→____________________________________三、用括号中动词的正确形式填空：Sir Richard _________ (start) his first company when he _________ (be) thirteen. Now he (run) many companies. When he travels on his own airline, he always _________ (help) his staff. He _________(talk) to passengers, _________ (serve) drinks and _________ (play) games with children.Sir Richard has done many things. He _________ (break) the world record for crossing the Pacific Ocean in a balloon. He _________ (try) to fly around the world too. Once there _________ (be) a fire in his balloon and he _________ (have) to land in the sea.Sir Richard is one of _________ (rich) businessmen in the world.四、IQ测试：1. What’s the biggest city in China?_____________________________________________2. Which three letters can frighten a thief?_____________________________________________3. Which letter is a kind of vegetables?_____________________________________________4. How many little starts in the China’s flag?_____________________________________________Unit 3 Trees[知识点归纳]一、重要单词、短语：talk about 谈论broad 广阔的short 短的leaf 树叶long 长的narrow 窄的branch 树枝think 薄的thick 厚的trunk 树干shallow 浅的deep 深的root 根shade 树萌cut down 吹倒wood 木头make furniture 做完具outside 在…外面keep cool 保持凉爽upon 在……上面hillside 山坡hilltop 山顶beside 在……旁边jungle 灌木丛desert 沙漠provide 提供seaside 海边neigh bour hood 邻近地区poem 诗歌poet 诗人important 重要的sunlight 阳光take in 吸收look after 照顾二、重要句型：There is a tree outside my window. It keeps me cool.Jane swings in the tree.The tree gives her lots of fun.They need to get water from the soil. They get food from these.They hold the soil together.They make the air clean.Why do trees have roots?Trees have roots because they need to get water from the soil to get water from the soil. [巩固练习]一、写出下列单词的反义词。