Unit 7 单元语法小专题(Grammar Focus)-2018年八年级下册英语名师学案（人教版）

单元语法小专题(Grammar Focus) 语法精讲 形容词和副词的比较级和最高级 1．形容词和副词的比较级的句型结构 (1)比较级＋than＋比较对象。[来源:Zxxk.Com] 【注意】表示同一范围内两事物的比较用“比较级＋than＋any other＋比较对象”。 e．g.He is taller than any other student in his class.他比班上任何一个学生的个子都高。 (2)as＋原级＋as…意为“与……一样”，其否定形式为“not so/as…as…”意为“不及……；不与……一样”[来源:学+科+网] e．g.The building is as tall as that one.这栋楼与那栋楼一样高。 (3)“the＋比较级…，the＋比较级…”表示“越……就越……”。 e．g.The more you study，the more you know.你学得越多，就知道得越多。 (4)“比较级＋and＋比较级”表示“越来越……”。 e．g.Our hometown is nicer and nicer.我们的家乡越来越漂亮了。 (5)修饰比较级可用much，a little，even，still，a lot等。 2．形容词和副词的最高级的句型结构 (1)“主语＋be＋the＋最高级＋in/of＋范围”表示“在某范围内最……”。 (2)“one of＋the＋最高级＋可数名词复数”表示“最……之一”。 (3)“the＋序数词(除了first)＋形容词最高级＋可数名词单数”表示“第几最……”。 语法专练 　　　　　　　　　　　　　　　 一、用所给单词的适当形式填空。 1．Andy ran much __faster__(fast) than Julie in the race. 2．The third __tallest__(tall) girl in our class is Jane. 3．I think table tennis is as __exciting__(exciting) as soccer. 4．The more trees we plant，the __better__(good) our environment will be. 5．Take exercise one hour a day，and you will become __stronger__(strong) than before. 6．Who studies __harder__(hard)，Nelly or Linda? 7．This river is __wider__(wide) than that one.[来源:学科网ZXXK] 8．The white T­shirt is the __most_expensive__(expensive) in the clothes store. 9．The Yangtze River is one of the __longest__(long) rivers in the world. 10．I think swimming is __more_dangerous__(dangerous) than running. 二、单项选择。 　　　　　　　　　　　　　　　　　　　 (B)11.(2018·南充模拟)________ you speak，________ your English will be. A．The less；the more B．The more；the better C．The less；the better D．The more；the less (D)12.(2018·贵港模拟)He is very rich but that day he bought ________ bike to save money for the poor children.[来源:学§科§网Z§X§X§K] A．an expensive B．a more expensive C．the more cheaper D．the cheapest (A)13.—The stuntman(特技演员) is planning to walk on the wings of a flying plane. —What？I've never heard of ________ idea before. A．a crazier B．the crazier C．a craziest D．the craziest (D)14.(导学号：28446030)Ma Yun，head of Alibaba，is one of ________ persons