初中英语人教版八年级下册whats the highest mountain in.docx

Whats the highest mountain in the world? 教案 Gao Lirong一：教学目标：1巩固形容词最高级的变化规则及运用中注意事项。2.To learn new words: weigh, birth, adult3.“倍数+比较级+than”，表示“比(大/小/长/短)几倍”。 二：教学重点：1.形容词最高级的变化规则及运用中注意事项。2.“倍数+比较级+than”，三：教学难点：1.形容词最高级的变化规则及运用中注意事项。2.“倍数+比较级+than”，四 教学运用幻灯片辅助讲解。五：教学过程：Step1.Leading 用TFboys 引入话题，讨论谁最高？Wang Junkai （Karry） is the tallest of the three.Step2：巩固最高级的变化规则及运用。最高级表示三者或三者以上的人或物进行比较时，用最高级。1,形容词的最高级前面要加定冠词the，副词最高级前面的the可以省略。在含有最高级的句子中，常有一个in/of短语来表示比较范围。 She is the best in her class. She is the most beautiful of the three.in是指一个广泛的范围,像in the world,in the class of是前后属于同一范围,像of the three people 举个例子 He is the tallest boy in my class.(he属于人，class属于包含的大范围) He is the tallest of these boys.(boys和he是都是人） 2,规则变化 1)一般单音节形容词的最高级，+est. 2) 以 辅音字母加-y 结尾的形容词的最高级是变y为 i +est构成. happy happiest 3) 以重读闭音节结尾且末尾只有一个辅音字母，其前面的元音字母发短元音的形容词的最高级，是双写该辅音字母然后再+est。 big biggest 4)多音节词和部分双音节词，在词前或most serious most serious 5)不规则变化good / well -best ill /bad/badly-worstmany / much -most little -least 6).由动词+后缀-ing/-ed构成的形容词，在词前加most构成最高级。如:interesting-most interesting，bored-most bored。 7).由形容词+后缀-ly构成的副词，在该副词前加most构成最高级。如:slowly-most slowly，happily-most happily。 3.倍数+比较级+thanThis elephant weighs many times more than this panda.An adult panda weighs many times more than a baby pandaAn adult panda weighs many times more than a baby panda.这个盒子比那个大三倍。This box is three times bigger than that one.Karry is the tallest boy in TFboys.Li Peng is the eldest of their four children.She is the most diligent student in our class.That was the best film I had ever seen.Berlin is the most important city in Germany.Elephant is 350 cm tall weighs 5,000 kilos eats 150 kilos of food a dayTry to describe the elephant using the information above. Panda is 150 cm tall (standing on two legs) weighs 100 kiloseats 10 kilos of food a day. Practice makes perfect.1.Jim is very _. Li Lei is _ than Jim.(hungry)2. Kates mooncakes are _ of all. (nice)3. Your box is _ than mine. But his is _ of the three (heavy).4. Unit 2 is quite _. Unit 3 is _ than Unit 2. Its _ in Book 2.(hard)5. This TV play is _ than that one. (good)6. My mother is very _. She is _ in my family. (busy)7. Lingling gets to school _ than the others. (early)8. She speaks English _ in our class. (well)9.This pen is _（长4倍)than that one.六Homework:1.Re