2014人教新目标英语八下《unit 7 what’s the highest mountain in the world》section a 1a2d课件 .ppt.ppt

Unit 7 What ’ s the highest mountain in the world? Section A 1a — 2d the tallest taller 1. 一般情况:+ er(比较级)+ est (最高级) quiet--quieter--the quietest bright--brighter---the brightest 2. 词末为--e (不发音) + r --+ st fine--finer--the finest nice--nicer--the nicest ,末尾只有一个辅音字母的:双写辅音字母+ er --双写辅音字母+ est hot--hotter--the hottest wet--wetter--the wettest more 和 most 5.. 特殊变化 good — better — best many/much — more — the most 1. 一般情况:+ er(比较级)+ est (最高级) quiet — quieter — the quietest bright — brighter — the brightest 2. 词末为-e(不发音) + r —+ st fine — finer — the finest nice — nicer — the nicest ,末尾只有一个辅音字母的:双写辅音字母+ er—双写辅音字母+ est hot — hotter — the hottest wet — wetter — the wettest more 和 most 5.. 特殊变化 good — better — best many/much — more — the most 比较级主要运用与两者比较,最高级运用于三者包括三者以上的比较。 A …+ er… than … B , A …+ est … of the three, A …+ est … than others one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen , seventeen eighteen een Can you read them? 8,448 5,654 4,321 9,543 23,345 34,666 43,233 67,321 Qomolangma . It’ s 8, meters high! The Nile It’ s 6,671 kilometers long. Caspian Sea It’ s 1,025 meters deep. The Sahara It’ s 9,600,000 square kilometers in size. 2,300 meters