1、七年级英语下册Unit 6语法讲解练习（形容词和副词的平级比较）一、知识讲解平级的比较：用于比较两个人或事物在某一方面的相同或不同。【形容词平级比较】This dress is as beautiful as that one.（这条裙子和那条一样漂亮。）The weather today is as nice as it was yesterday.（今天的天气和昨天一样好。）My brother is as strong as a bull.（我哥哥像公牛一样强壮。）The two sisters are as tall as each other.（这两姐妹一样高。）This probl
2、em is as difficult as that one.（这个问题和那个问题一样难。）副词平级比较He speaks English as fluently as his teacher.（他说英语和他的老师一样流利。）The car runs as smoothly as a new one.（这辆车开起来和新车一样平稳。）She sings as sweetly as a nightingale.（她唱歌像夜莺一样甜美。）They arrived as early as we did.（他们和我们到得一样早。）He works as carefully as his colleagu
3、e.（他工作和他的同事一样仔细。）【基本结构】1.“as + 形容词/副词原级 + as”结构，表示“和一样”。例如：He is as tall as his father.（他和他父亲一样高。）再比如：She runs as fast as her sister.（她跑得和她姐姐一样快。）2.否定形式“not as/so + 形容词/副词原级 + as”，表示“不如”。例如：This book is not as interesting as that one.（这本书不如那本书有趣。）=“This book is not so interesting as that one.”又如：He
4、doesnt work as hard as his classmate.（他学习不如他的同学努力。）拓展1.“A+倍数 + as + 形容词/副词原级 + as+B”表示：“A是B的几倍”。例如：My room is twice as big as yours.（我的房间是你的房间的两倍大。）2.“as much/many+名词+as”表示：“前后数量相同”例如：I have as many friends as my brother.我和我哥哥的朋友一样多。二、练习一、单项选择1.Tom is _ his twin brother.They both like sports.A.as ou
5、tgoing as B.more outgoing than C.less outgoing than D.so outgoing as2.Lily doesnt draw _ Lucy.A.as careful as B.as carefully asC.so careful than D.more carefully than3.Our school library is _ theirs.A.three times as large as B.three times large thanC.as three times large as D.as large three times as
6、4.The movie is _ the book.I enjoyed both.A.as interested as B.as interesting asC.so interested as D.more interesting as5.Jack runs _ David.They often tie in the race.A.as fast as B.faster than C.not so fast as D.more fast than二、根据汉语提示完成句子1.这个盒子和那个盒子一样重。This box is _ _ _ that one.3.她不如她姐姐擅长弹钢琴。She is
7、nt _ _ _ her sister at playing the piano.4.我的房间是你的两倍大。My room is _ _ _ _ yours.5.他们学习和我们一样努力。They study _ _ _ we do.6.这部电影没有那部电影有趣。This movie isnt _ _ _ that one.三、改错（每题一处错误）1.The cake tastes as well as the cookies.2.She can write as quick as her deskmate.3.Our classroom is as cleaner as theirs.4.Th
8、e storybook is three times as thicker as that one.5.He doesnt jump so high than his friend.【答案】一、单项选择1.A 2.B 3.A 4.B 5.A二、根据汉语提示完成句子1.as heavy as 2.as/so good as 3.twice as big as 4.as hard as 5.as/so interesting as三、改错1.well good（taste为系动词，后接形容词）2.quick quickly（修饰动词write用副词）3.去掉cleaner中的-er（原级比较用形容词原形）4.thicker thick（原级比较用形容词原形）5.than as（否定结构用not so.as）3
