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1、Unit 1 A healthy body重点单词：1. centimetre ( cm ) n. 公分 厘米 2. kilogram ( kg ) n. 千克3. light a. 轻的 4. heavy a. 重的5. weak a. 弱的 6. strong a. 强壮的7. slow a. 缓慢的 8. fast a. 快速的9. lift v. 举起（ n. 电梯 ） 10. weight n. 哑铃11. pull-up n. 引体向上 12. test n. 测试13. than conj. 比 14. cheer v. 欢呼15. congratulation n. 祝贺 16
2、. wake v. 醒17. lazy a. 懒惰的 18. exercise v. 运动 锻炼重点词组：1. last year 去年 2. this year 今年3. do well 做得好 4. lots of 许多5. very often 经常 6. fall asleep 睡着了7. wake up 醒来 8. finish line 终点线9. be good for 对有好处 10. be bad for 对有坏处重点句型：1. I was short. 我是矮的。2. I was 138 cm tall and I was 29 kg. 我有138厘米高，29公斤重。3.
3、I like to exercise. 我喜欢运动。4. I didnt exercise very often. 我不经常运动。5. Im taller and heavier. 我高了也重了。6. Im taller than Tim now. 我现在比Tim 高了。7. Good for you ! 你真棒！8. Congratulations! 祝贺你！9. Pat is taller and heavier this year (than last year). Yes, shes growing fast. Pat今年比去年长得更高更重了。是的，她长得很快。10. Tim is f
4、aster this year (than last year). Yes, hes doing well. 今年Tim的速度更快了。是的，他一直训练得很好。11. Bob is slower and weaker this year (than last year). Hes last in the race. He can only do two pull-ups. Bob今年速度更慢了，并且体质更弱了。在比赛中，他跑在最后。他现在只能做两个引体向上。12. Candy is stronger this year (than last year). She can lift some ve
5、ry heavy weights. Candy今年更健壮了。她可以举起一些很重的哑铃。13. Tim is faster than Bob this year. Tim今年比Bob速度更快。14. Haley is faster than Ted but she is also very lazy. Haley虽然跑得比Ted快，但她却很懒。15. Ted was slower but he did not stop. Ted虽然跑得慢，但是他没有停下来。16. Haley ran very fast but it was too late. She did not get to the fi
6、nish line before Ted. Haley跑得飞快，但已经太晚了。她没有在Ted之前到达终点线。 17. You need to eat healthy food to have a healthy body.你需要吃健康的食物来保证你拥有健康的身体。 18. It is important to eat many different kinds of food but you should be careful about the amount you eat.吃各种各样的食物对身体很重要，但你应该注意食物的摄入量。19. Meat, chicken, fish and eggs
7、 are good for you but dont eat too much.猪肉、鸡、鱼和鸡蛋对身体有好处，但不能吃得太多。20. Too much sugar is bad for your body and your teeth!吃太多的糖对身体和牙齿都有害。拓展句型：1. How old are you ? = Whats your age? 你多大年龄了？/ 你几岁了？ Imyears old. 2. How tall are you? = Whats your height? 你有多高？你的身高是多少？ Im cm/centimetres tall. = Im cm/centim
8、etres in height.3. How heavy are you? = Whats your weight? = How much do you weigh? 你有多重？ Im kg/kilograms. = My weight iskg/kilograms.= I weigh kg/kilograms.4. How long is the ruler? = Whats the length of the ruler?这把尺子有多长？ Its 30cm / centimetres long. = Its 30cm / centimetres in length.5. How wide
9、is the river?=Whats the width of the river？这条河有多宽？ Its about 200m / metres wide.=Its about 200m / metres in width. 它大约有200米宽。学法指导：字母s 作为名词复数后缀时，在清辅音后读作s，在元音或浊辅音后读作z；字母组合es在这里读作iz。如：s books maps desks cups giraffesz beds bags tables tigers photosiz classes watches fishes boxes形容词的反义词：1. big-small 2.
10、heavy-light 3. slow-fast 4. dirty-clean 5. beautiful-ugly 6. fat-thin7. long-short 8. tall-short 9. hot-cold 10. different-same 11. weak-strong 12. fun-boring形容词的比较级:1、含义：形容词的比较级是指在两个人或两件同类事物之间进行的比较。2、比较级的句型结构： “A + be + 形容词比较级 + than + B” 意思为： “A 比B 更” 如： I am taller than you. 我比你更高。 注意：不同类的事物不能进行比
11、较。例如：我的头发比你的（头发）长。 应该说： My hair is longer than your hair. = My hair is longer than yours. 不能说：My hair is longer than you.3、形容词比较级的构成： 单音节形容词和部分双音节形容词的比较级是在原级后面直接加er，比较级后面加than；多音节或部分双音节形容词的比较级是在原级前面加more4、具体的拼写规则：1. 一般情况在原级词尾后+er tall-taller short-shorter light-lighter long-longer strong-stronger we
12、ak-weaker slow-slower fast-faster small-smaller1. 以e结尾的词，直接+ernice-nicer large-larger3. 以辅音字母+y结尾的词，应先改y为 i 后+er heavy-heavier happy-happier lazy-lazier easy-easier noisy-noisier early-earlier4. 以重读闭音节且只有一个辅音字母结尾的词，应双写这个辅音字母后+erbig-bigger fat-fatter thin-thinnerhot-hotter wet-wetter red-redder附本课所学形
13、容词及其比较级：注意这些形容词词尾的变化规则（必背、必写）short-shorter tall-taller long-longer light-lighter strong-stronger weak-weakersmall-smaller fast-faster slow-slower loud-louder high-higher young-youngernice-nicer large-larger late-later big-bigger hot-hotter thin-thinner fat-fatter wet-wetter heavy-heavier healthy-healthier lazy-lazier dry-drierearly-earlier easy-easier busy-busier happy-happier5、英语单位词的用法： cm是单词centimetre 或centimeter的缩写形式，意为“厘米”； kg是单词kilogram的缩写形式，意为“千克、公斤”。在表示复数时，如果用完整形式，centimetre 和kilogram后面要加上“s”；但是如果用它们的缩写形式, cm 和 kg后面就不用加 “s”.练一练一、仿照例子写出下列形容词的比较级（1）talltaller
