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1、Unit 7 Whats the highest mountain in the world?,八年级下册英语（人教版）,单元语法专题Grammar Focus,百位数的基数词，百位和十位(若无十位，则和个位)之间一般需用and连接。英语中千位数以上的阿拉伯数字，一般从个位向十位、百位等高位数，每三位数加一个逗号。第一个逗号前的数字后加thousand，第二个逗号前的数字后加million，第三个逗号前的数字后加billion。如： 15，628 fifteen thousand，six hundred and twentyeight 16，312，493，678 sixteen billio
2、n，three hundred and twelve million, four hundred and ninetythree thousand，six hundred and seventyeight,【温馨提示】当hundred, thousand, million, billion 前有具体数词修饰时，这些词后既不能带s，也不能带of；当hundred, thousand, million, billion 等词与介词of 连用时，用复数形式，表示不确定数目，其前不可与数词连用。如： five million 五百万 hundreds of 数以百计的 thousands of 数以千
3、计的 millions of 数以百万计的,原级前可以用very，quite，rather，too，so，pretty等修饰，表示程度。如： The story is very interesting. 比较级前可以用much，a little，a bit，even 等修饰。 The shoes are a little bigger for me.,比较级的特殊句型 1“The比较级，the比较级”意为“越越”。如： The busier we are，the happier we will be. 2“比较级and比较级”意为“越来越”。如： Our country is getting
4、stronger and stronger. 最高级的特殊句型 1疑问词bethe最高级。如： Which is the biggest，the sun，the moon or the earth?,2“the序数词最高级”意为“第几”。如： The Yellow River is the second longest river in China. 3“one of the最高级复数名词”意为“最之一”。如： Shanghai is one of the biggest cities in the world.,一、用括号内所给单词的适当形式填空。 1Ann is _(careful) th
5、an any other student in her class. 2The earth is getting _and _(warm) 3The _(hard) you study，the _(much)you will learn. 4Who is _(tall) of the two girls? 5The tiger weighs many times _(much) than the cat.,more careful,warmer,warmer,harder,more,the taller,more,二、单项选择。 6The number 4，123 is read _ Afou
6、r thousand one hundred and twentythree Bfour thousand and one hundred twentythree Cfour thousand and a hundred and twentythree Dfour thousands a hundred and twentythree,A,7The bridge is over _ meters long. Aeight hundred and sixtythree Beight hundreds and sixtythree Ceight hundred，sixtythree Deight
7、hundred，sixty and three,A,8(德阳中考)My mother is hardworking._ she does for my family, _ she feels. AMore；happier BThe much；the happy CThe more；the happier DThe most；the happiest,C,9(眉山中考)Do you know that China is one of _ countries in the world? Yes, I do.Its _ older than America. Athe oldest；very Bol
8、d；very Cthe oldest；much Dold；much,C,10(达州中考)Is it _ cheaper and _ enjoyable to travel by train than by plane? Yes, I think so. Avery；very more Beven；a little Cmore；much more Dmuch；far more,D,三、根据汉语意思完成下列句子。 11对于老年人来说学习英语更困难。 Its _for old people to learn English. 12你能说得更慢些吗？ 我们听不清。 Can you speak _？We cant hear clearly. 13汤姆是我们班第二高的学生。 Tom is _student in our class.,more difficult,more slowly,the second tallest,14玛丽比她姐姐的语文学得好。 Mary is _Chinese than her sister. 15我希望我们的国家变得越来越富有。 l hope our country will become _,better at,richer and richer,
