外研版必修1高中英语 Module 5 Grammar课件 外研社版必修1.ppt

孔隆教育 孔隆教育 * Period 5 Grammar Degrees of comparison The tallest man and the shortest man in the world The Pakistani is four times as high as the Iranian. Or we can say: The Pakistani is four times higher than the Iranian. The Pakistani is four times the height of the Iranian. 0.64m 2.55m 118 years old 12 years old The old woman is about ten times as old as her granddaughter. Or we can say: The old woman is about ten times older than her granddaughter. The old woman is about ten times the age of her granddaughter. ②倍数+形容词比较级+as … ③倍数+the size ( height, length, weight, width, depth, age) +of … ①倍数（half, double, twice, times…） +as+形容词+as … Answer the questions: 2.The men are about 1.7meters tall,and the truck is three and a half times as high as the men,how high is the truck? 1.What’s wrong with this sentence? Ball 2 is two times as big as ball 1. Correct:Ball 2 is twice as big as ball 1. Ball 2 is two times as big as ball 1. 3.The canna is 10(cm) big,and the king flower is ten times bigger than the canna,how big is the king flower? Discuss in groups of three. Make sentences about the comparative sizes of the pairs. Use the words in the brackets . Winter in Harbin Winter in Beijing -20℃ -5℃ （cold/coldness） Mount Tai Mount Qumolangma 1521m 8848m (high/height) Diameter (Earth=1) Jupiter=11 (big/size) Example: A: The Yangtze River is about three times as long as the Songhua River. B: The Yangtze River is about three times longer than the Songhua River. C: The Yangtze River is about three times the length of the Songhua River. Mount Tai Mount Qumolangma 1521m 8848m (high/height) A:Mount Qumolangma is about six times as high as Mount Tai. B:Mount Qumolangma is about six times higher than Mount Tai. C:Mount Qumolangma is about six times the height of Mount Tai. Winter in Harbin Winter in Beijing -20℃ -5℃ （cold/coldness） A:Winter is four times as cold in Harbin as in Beijing. B: Winter is four times colder in Harbin than in Beijing. C: Winter in Harbin is fou