Unit 3 A day out Grammar (),八年级 英语 上,1. This knife is _ (sharp) than that one. 2. Is this bag _ (heavy) of the three? 3. You dont know _ (well) than I do. 4. German is _ (difficult) of all the subjects .,Revision:,sharper,the heaviest,better,the most difficult,5. Guilin is _ (beautiful) than any other place. 6. Shanghai is _ (big) in China. 7. This river is _ (long) than that one.,more beautiful,the biggest,longer,Look at the following table, compare the students, using tall, heavy, fast.,Look at the following table, compare the students, using good, bad,Millie thinks : Swimming is as dangerous as skiing. Swimming is not as interesting as climbing.,asas “和一样” not asas “和不一样” A is not asas B.“A不如B”,1. Make up sentences using “asas”, “not as as”/ “not soas”. 2. Finish the exercises on Page 35.,Practice,拓展 同级比较/比较级的转换：,1). Im not as tall as he is. = Im shorter than he is. 2). Nanjing is not as big as Shanghai. = Nanjing is smaller than Shanghai.,最高级/比较级/同级比较的相互转换：,1). Shanghai is the biggest city in China. = Shanghai is bigger than any other city in China. = No city is as big as Shanghai in China.,2). He is the tallest boy in the class. = He is taller than any other boy in the class. =No boy is as tall as he is in the class.,3) Tom is the most handsome boy in our school. =Tom is more handsome than any other boy in our school. =No boy is as handsome as Tom.,1. Millie 的英语和Jenny的一样好。 Millies English is as good as Jennys. 2. 我想潜水不如游泳有趣。 I think diving is not as interesting as swimming. 3. 大连和三亚一样美丽。 Dalian is as beautiful as Sanya. 4. 英语不如日语难. English is not as difficult as Japanese.,