Unit 3 课本知识预习+巩固练习（导学案）新五年级英语暑假自学课（北师大版三起·新教材）

五年级上册暑假自学课（北师大版三起） Unit 3 A better me 单元知识整合 一、必会词汇 before 以前，从前 speak 会说，会讲（某种语言） best 最好的 see 看 whose 谁的 boy 男孩 二、重点短语 better than 比……更好 the fastest 最快的 the tallest 最高的 the biggest 最大的 be good at 擅长，善于 more friends 更多朋友 than before 比以前 the best child 最好的孩子 get up earlier 更早起床 the best helper 最好的帮手 三、核心句型 1. You are all better than me. 你们都比我好。 2. Peter is good at sport. / Peter is the fastest. 彼得擅长运动。/彼得是最快的。 3. Your flower is the tallest. / It’s the biggest. 你的花是最高的。/它是最大的。 4. A bird is smaller than a dog. / An elephant is bigger than a horse. 鸟比狗小。/大象比马大。 四、重难点突破 1. 比较级 + than 的用法 表示两个人或事物之间的比较，用「形容词比较级 + than + 比较对象」。than意为「比」。 You are all better than me. 你们都比我好。 A bird is smaller than a dog. 鸟比狗小。 An elephant is bigger than a horse. 大象比马大。 注意：比较级前不加the，后面一定要有than。如：She is taller than me.（她比我高。） 【进阶训练】 1. Peter is _____ than me. He runs faster. A. good　　B. better　　C. best 2. A cat is _____ than an elephant. A. small　　B. smaller　　C. smallest 3. I have more friends _____ before. A. than　　B. then　　C. that 解析：第1题表示比较用比较级better，选B。 第2题有than提示用比较级smaller，选B。 第3题比较连词用than，选A。 2. 比较级变化规则 比较级的构成规则： ① 一般单音节形容词直接加-er：tall→taller, long→longer, small→smaller, fast→faster ② 以e结尾的形容词加-r：late→later, nice→nicer, large→larger ③ 重读闭音节（辅音+元音+辅音）双写最后一个辅音字母加-er：big→bigger, hot→hotter ④ 辅音字母+y结尾，改y为i加-er：heavy→heavier, easy→easier ⑤ 多音节形容词和部分双音节形容词在前加more：beautiful→more beautiful, friendly→more friendly ⑥ 不规则变化：good→better, bad→worse 【进阶训练】 4. Write the comparative: big → ________ 5. Write the comparative: good → ________ 6. Write the comparative: fast → ________ 7. Write the comparative: heavy → ________ 解析：第4题big重读闭音节双写g加-er→bigger。 第5题good不规则变化→better。 第6题一般直接加-er→faster。 第7题辅音+y结尾，y→i加-er→heavier。 3. 最高级 the + 形容词最高级 表示三个或以上人或事物中最……，用「the + 形容词最高级」。最高级前一定要加the。 Peter is the fastest. 彼得是最快的。 Your flower is the tallest. It’s the biggest. 你的花是最高的。它是最大的。 最高级变化规则：一般加-est（tall→tallest）；以e结尾加-st（nice→nicest）；重读闭音节双写加-est（big→biggest）；不规则：good→best。 【进阶训练】 8. Peter is the _____ at sport. A. good　　B. better　　C. best 9. Your flower is the _____ . A. tall　　B. taller　　C. tallest 10. It’s the _____ flower in the garden. A. big　　B. bigger　　C. biggest 解析：第8题表示最……用最高级best，选C。 第9题有the提示最高级tallest，选C。 第10题有the提示最高级biggest，选C。 4. be good at 的用法 be good at意为「擅长，善于」，后面接名词或动词-ing形式。be随主语变化：I am good at... / He is good at... / They are good at...。 Peter is good at sport. 彼得擅长运动。 注意：at后面的动词要用-ing形式，如I am good at swimming.（我擅长游泳。） 【进阶训练】 11. Peter is good _____ sport. A. in　　B. at　　C. on 12. She is good at _____ . A. sing　　B. sings　　C. singing 解析：第11题固定搭配be good at，选B。第12题at后接动词-ing，选C。 巩固练习 一、写出下列形容词的比较级和最高级。 1. tall → ________ → ________ 2. big → ________ → ________ 3. fast → ________ → ________ 4. good → ________ → ________ 5. heavy → ________ → ________ 6. nice → ________ → ________ 二、单项选择。 7. You are all _____ than me. A. good　　B. better　　C. best 8. Peter is good _____ sport. A. in　　B. at　　C. on 9. A bird is _____ than a dog. A. smaller　　B. smallest　　C. small 10. An elephant is _____ than a horse. A. big　　B. bigger　　C. biggest 11. Your flower is the _____ . A. tall　　B. taller　　C. tallest 12. She is good at _____ . A. dance　　B. dances　　C. dancing 三、用所给词的适当形式填空。 1. I am good at swimming. → I am ________ at swimming than before. (good) 2. Peter is fast. → Peter is the ________. (fast) 3. My flower is big. → My flower is the ________. (big) 4. A turtle is slow. → A turtle is ________ than a rabbit. (slow) 5. Tina is tall. → Tina is ________ than Alvin. (tall) 四、完形填空。 Peter is good 1 sport. He is the 2 at the game. But he isn’t 3 to Max. One day, Peter 4 his foot. Max helps him go to hospital. Max also helps Peter 5 after school. Now Peter knows: 6 we are the best! Peter is 7 than before. They are good 8 now. ( )1. A. in　　B. at　　C. on ( )2. A. good　　B. better　　C. best ( )3. A. friendly　　B. friend　　C. friends ( )4. A. hurts　　B. hurt　　C. hurting ( )5. A. study　　B. studying　　C. studies ( )6. A. Together　　B. Alone　　C. Slow ( )7. A. good　　B. better　　C. best ( )8. A. sport　　B. friends　　C. boy 五、阅读短文，判断正(T)误(F)。 Mr Lee asks the children to plant a seed. He wants to see who has the best flower in three months. Tina waters her flower every day. Her flower is the biggest and the tallest. Alvin’s seed doesn’t grow. Mr Lee says, “The seeds are cooked! Of course they can’t grow. You are the best child and you are my helper!” Alvin is honest. He is a better boy than before. ( )1. Mr Lee asks the children to draw a flower. ( )2. Tina’s flower is the biggest and the tallest. ( )3. Alvin’s seed grows into a beautiful flower. ( )4. Mr Lee thinks Alvin is the best child. ( )5. Alvin is honest, so he is a better boy than before. 参考答案 重难点突破：1. B 2. B 3. A 4. bigger 5. better 6. faster 7. heavier 8. C 9. C 10. C 11. B 12. C 巩固练习参考答案 一、1. taller; tallest 2. bigger; biggest 3. faster; fastest 4. better; best 5. heavier; heaviest 6. nicer; nicest 二、7. B 8. B 9. A 10. B 11. C 12. C 三、1. better 2. fastest 3. biggest 4. slower 5. taller 四、1. B 2. C 3. A 4. B 5. A 6. A 7. B 8. B 五、1. F 2. T 3. F 4. T 5. T 1 学科网（北京）股份有限公司 $