高一英语(比较级的表达方式)课件 外研版必修1 课件VIP免费

Grammar: degrees of comparison比较级的表达方式The tallest man and the shortest man in the worldThe Mongol is four times as high as the superman.Or we can say:The Mongol is four times higher than the superman.0.64m2.55mThe old woman is about twenty times twenty times as old asas old as her granddaughter.Or we can Or we can say:say:The old woman is about twenty times times olderolder thanthan her granddaughter..What’s wrong with this sentence?Ball 2 is two times as big as ball 1.Correct: Ball 2 is twice as big as big as Ball 1.② A ＋倍数 + 形容词比较级+than B…①A ＋倍数（ half, double, twice, ××times… ） +as+ 形容词 +as B …倍数的表达法Winter in HarbinWinter in Beijing-20℃-5℃ （（ coldcold ））Mount Tai Mount Qumolangma1521m8848mDiameter (Earth=1)Jupiter=11(big)(big)Discuss in groups of three. Make Discuss in groups of three. Make sentences about the comparative sizes of sentences about the comparative sizes of the pairs. the pairs. (high)(high)Example:Example:A: The Yangtze River is about A: The Yangtze River is about three times as long as the Songhua the Songhua River.River.B: The Yangtze River is about B: The Yangtze River is about three times longer than the Songhua River. the Songhua River.• Winter is Winter is four times as coldfour times as cold in Harbin in Harbin as in Beijing.as in Beijing.•Winter is Winter is four times colderfour times colder in Harbin in Harbin thanthan in Beijing. in Beijing.• Mountain Qumolangma is about Mountain Qumolangma is about six times six times as high asas high as Mount Tai, Mount Tai,• Mountain Qumolangma is about Mountain Qumolangma is about six times six times higher thanhigher than Mount Tai. Mount Tai.• My aunt’s house is My aunt’s house i...