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1、精选,1,第19课时 九年级Units 1314,精选,2,考点一 cut down的用法 【课文原句】 Well, to cut down air pollution, we should take the bus or subway instead of driving. 为了减少空气污染，我们应该乘坐公共汽车或者地铁， 而不是开车。(九P98),精选,3,(1)cut down意为“减少”，是“动词副词”结构的短语， 所接的宾语若为名词，宾语可位于down的前面或后面； 若为代词，只能位于down的前面。 Youd better cut the article down to about
2、 2，000 words. 你最好把这篇文章缩减到2 000字左右。,精选,4,(2)cut down还可表示“砍倒”。 They cut down the big tree. 他们砍倒了这棵大树。 (3)含有cut的短语：cut off 切断；切除 cut into把切成cut up切碎 cut in插队；插嘴,精选,5,1(2018江苏扬州江都模拟)It is impolite for children to when their parents are talking with others. Acut down Bcut out Ccut in Dcut short,精选,6,2(20
3、16山东青岛中考)Our country is taking action to air pollution. Acut down Bcut up Ccut out Dcut off,精选,7,考点二 表示“花费”含义的单词辨析 【课文原句】 Its good for health and it doesnt cost anything！ 它对健康有益而且不花钱！(九P98),精选,8,cost, spend, take, pay表示“花费”的区别,精选,9,3(2017山东济宁中考)That one mistake almost him his life. Atook Bpaid Ccost
4、 Dspent,精选,10,考点三 be harmful to的用法 【课文原句】 This is not only cruel, but also harmful to the environment. 这种做法不仅残忍，而且对环境有害。(九P99),精选,11,be harmful to意为“对有害”，相当于do harm to 或be bad for。 Smoking is harmful to our health.Smoking does harm to our health.Smoking is bad for our health. 吸烟对我们的健康有害。,精选,12,4(201
5、8福建泉州质检改编)The farm chemicals remained on the vegetable and fruit are to our health. Yes. They may cause lots of diseases. Aimportant Bharmful Cnecessary Dhealthy,精选,13,考点四 do something to do sth. 【课文原句】 Sharks may disappear one day if we do not do something to stop the sale of shark fins. 如果我们不采取行动阻
6、止鲨鱼翅的销售，总有一天鲨鱼 会消失的。(九P99),精选,14,do something to do sth.意为“采取措施去做某事”，相当 于take action to do sth.“采取行动去做某事”。 People should take action to protect the environment. 人们应该采取行动来保护环境。,精选,15,考点五 afford的用法 【课文原句】 Yes, we cant afford to wait any longer to take action！是的，我们不能再等了，必须采取行动！(九P100) afford意为“承担得起(后果)
7、；买得起”。常与can, could, be able to等连用，多用于否定句和疑问句中。,精选,16,It is too expensive, and I cant afford it. 它太贵了，我买不起。 We cant afford to go abroad this summer. 今年夏天我们没有足够的钱去国外。,精选,17,5(2018天津中考)I am afraid we can not to take a taxi. Lets go by underground instead. Arefuse Bafford Cforget Dfall,精选,18,考点六 pay的用法
8、【课文原句】 I think its a great idea that you now have to pay for plastic bags in some stores. 我认为现在有些商店塑料袋需要购买这个想法很好。 (九P100),精选,19,(1)pay (sb.) money for sth.付钱(给某人)买 I have to pay them 20 pounds for this room each month. 我每个月要付给他们20英镑的房租。 (2)pay for sth.付的钱 I have to pay for the book. 我不得不付钱买这本书。,精选,2
9、0,(3)pay for sb.替某人付钱 Dont worry! Ill pay for you. 别担心，我会给你付钱的。 (4)pay sb.付钱给某人 They pay us every month. 他们每月给我们报酬。,精选,21,6(2015河北中考)This food is free. You dont have to it. Alook for Bpay for Cask for Dwait for,精选,22,考点七 throw的用法 【课文原句】 Do you often throw away things you dont need anymore？ 你经常把你不再需要
10、的东西扔掉吗？(九P102) throw“扔；抛”，其过去式和过去分词分别为threw 和thrown; throw away 意为“扔掉；抛弃”。 You shouldnt throw away your old clothes. 你不应该把旧衣服扔掉。,精选,23,7(2017福建中考改编)Dont the waste paper. We can collect and recycle it. Youre right. Everyone should be a greener person. Ablow away Bput away Cthrow away Dgive away,精选,24
11、,考点八 look back的用法 【课文原句】 Looking back at these past three years 回望过去的三年(九P107) (1)look back (at/on sth.)意为“回首(往事)；回忆；回顾”。 We can learn something whenever we look back. 每当回首往事，我们都能学到东西。 When I look back at those days, I realize I was very happy. 当我回想起那些日子，我意识到那时我非常快乐。,精选,25,(2)look的其他常见短语 look for寻找l
12、ook at看 look up向上看；查找 look after照顾 look through浏览,精选,26,8(2017湖北黄冈中考) these past three years, which teachers will you miss most? Mr. Jiang. Hes helped me a lot. ALooking back at BLooking for CLooking through DLooking after,精选,27,9(2017山东潍坊中考)Why do you Liu Hulan? Because she is a great hero. Alook l
13、ike Blook down Clook over Dlook up to,精选,28,考点九 “Its time to do sth.”句型 【课文原句】 And now its time to graduate 现在到毕业的时候了(九P107) Its time(for sb.) to do sth.表示“该(是某人) 做某事的时候了”。 Tom, its time to get up. 汤姆，该起床了。,精选,29,Its time forn.(v.ing)意为“该做某事了，到了做某事的 时间了”，相当于“Its time to do sth.”。 Be quiet, everyone.
14、 Its time for class. 大家安静，该上课了。,精选,30,【拓展】 与time相关的句型还有Itsthe序数词time to do sth.表示“某人第几次做某事”，可以与Itsthe 序数词timethat从句互相转换。 Its the first time for me to visit Disney land. I feel so excited.Its the first time that I visit Disney land. I feel so excited.这是我第一次参观迪士尼乐园。我感到很兴奋。,精选,31,10(2017黑龙江龙东中考改编)Its t
15、ime for me goodbye to my mother school. I will never forget all love. Ato say; teachers Bsaying; teachers Cto say; teachers Dsaying; teachers,精选,32,考点十 first of all/congratulate的用法 【课文原句】 First of all, Id like to congratulate all the students who are here today. 首先，我想祝贺今天所有在座的同学们。(九P110),精选,33,(1)fi
16、rst of all 意为“首先”，常放在句首表示次序，后面往往接next, then等，其反义词组为at last, in the end。 First of all, let me introduce myself to you. 首先，让我向你做一下自我介绍。,精选,34,(2)congratulate 意为“祝贺”，通常用于“congratulate sb. on sth.”， 表示“为某事而祝贺某人”。 She congratulated me warmly on my good exam results. 她热情地祝贺我考试取得了好成绩。,精选,35,congratulation是congratulate的名词形式，其复数形式 常单独使用。 Ive got the first prize. 我得了一等奖。 Congratulations！ 祝贺！,精选,36,考点十一 thirsty的用法 【课文原句】 You were all so full of energy and thirsty for knowledge.你们朝气蓬勃，渴求知识。(
