1、第21課時 九年級Units 1314,考點一 cut down的用法 【課文原句】 Well, to cut down air pollution, we should take the bus or subway instead of driving.為了減少空氣污 染，我們應(yīng)該乘坐公共汽車或者地鐵，而不是開車。 (九P98),(1)cut down意為“減少”，是“動詞副詞”結(jié)構(gòu)的短語，所 接的賓語若為名詞，賓語可位于down的前面或后面；若為 代詞，只能位于down的前面。 Youd better cut the article down to about 2，000 words. 你

2、最好把這篇文章縮減到2 000字左右。,(2)cut down還可表示“砍倒”。 They cut down the big tree.他們砍倒了這棵大樹。 (3)含有cut的短語：cut off 切斷；切除 cut into把切成 cut up切碎cut in插隊；插嘴,1(2018江蘇揚州江都模擬)It is impolite for children to _ when their parents are talking with others. Acut down Bcut out Ccut in Dcut short,C,2(2016山東青島中考)Our country is tak

3、ing action to _ air pollution. Acut down Bcut up Ccut out Dcut off,A,考點二 表示“花費”含義的單詞辨析 【課文原句】 Its good for health and it doesnt cost anything！它對健康有益而且不花錢！(九P98) cost, spend, take, pay表示“花費”的區(qū)別,3(2017山東濟寧中考)That one mistake almost _ him his life. Atook Bpaid Ccost Dspent,C,考點三 be harmful to的用法 【課文原句】

4、 This is not only cruel, but also harmful to the environment.這種做法不僅殘忍，而且對環(huán)境有害。 (九P99),be harmful to意為“對有害”，相當于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.吸煙對我們的 健康有害。,4(2018福建泉州質(zhì)檢改編)The farm chemicals remained on the vegetable

5、 and fruit are _ to our health. Yes. They may cause lots of diseases. Aimportant Bharmful Cnecessary Dhealthy,B,考點四 do something to do sth. 【課文原句】 Sharks may disappear one day if we do not do something to stop the sale of shark fins.如果我們不采取行 動阻止鯊魚翅的銷售，總有一天鯊魚會消失的。(九P99),do something to do sth.意為“采取措施

6、去做某事”，相當 于take action to do sth.“采取行動去做某事”。 People should take action to protect the environment.人們 應(yīng)該采取行動來保護環(huán)境。,考點五 afford的用法 【課文原句】 Yes, we cant afford to wait any longer to take action！是的，我們不能再等了，必須采取行動！(九P100) afford意為“承擔得起(后果)；買得起”。常與can, could, be able to等連用，多用于否定句和疑問句中。,It is too expensive, a

7、nd I cant afford it. 它太貴了，我買不起。 We cant afford to go abroad this summer. 今年夏天我們沒有足夠的錢去國外。,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,B,考點六 pay的用法 【課文原句】 I think its a great idea that you now have to pay for plastic bags in some s

8、tores.我認為現(xiàn)在有些商店塑 料袋需要購買這個想法很好。(九P100) (1)pay (sb.) money for sth.付錢(給某人)買 I have to pay them 20 pounds for this room each month. 我每個月要付給他們20英鎊的房租。,(2)pay for sth.付的錢 I have to pay for the book.我不得不付錢買這本書。 (3)pay for sb.替某人付錢 Dont worry! Ill pay for you.別擔心，我會給你付錢的。 (4)pay sb.付錢給某人 They pay us every

9、month.他們每月給我們報酬。,6(2015河北中考)This food is free. You dont have to _ it. Alook for Bpay for Cask for Dwait for,B,考點七 throw的用法 【課文原句】 Do you often throw away things you dont need anymore？你經(jīng)常把你不再需要的東西扔掉嗎？ (九P102) throw“扔；拋”，其過去式和過去分詞分別為threw和 thrown; throw away 意為“扔掉；拋棄”。 You shouldnt throw away your old

10、 clothes.你不應(yīng)該把 舊衣服扔掉。,7(2017福建中考改編)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,C,考點八 look back的用法 【課文原句】 Looking back at these past three years 回望過去的三年(九P107) (1)look back (at/on sth.)意為“回首(往事)；回

11、憶；回顧”。 We can learn something whenever we look back.每當回首 往事，我們都能學到東西。 When I look back at those days, I realize I was very happy. 當我回想起那些日子，我意識到那時我非?？鞓?。,(2)look的其他常見短語 look for尋找look at看look up向上看；查找 look after照顧look through瀏覽,8(2017湖北黃岡中考) _ these past three years, which teachers will you miss most

12、? Mr. Jiang. Hes helped me a lot. ALooking back at BLooking for CLooking through DLooking after,A,9(2017山東濰坊中考)Why do you _ Liu Hulan? Because she is a great hero. Alook like Blook down Clook over Dlook up to,D,考點九 “Its time to do sth.”句型 【課文原句】 And now its time to graduate現(xiàn)在到畢業(yè) 的時候了(九P107) Its time

13、(for sb.) to do sth.表示“該(是某人)做某事的時 候了”。 Tom, its time to get up.湯姆，該起床了。,Its time forn.(v.ing)意為“該做某事了，到了做某事的 時間了”，相當于“Its time to do sth.”。 Be quiet, everyone. Its time for class.大家安靜，該上課了。,【拓展】 與time相關(guān)的句型還有Itsthe序數(shù)詞time to do sth.表示“某人第幾次做某事”，可以與Itsthe序數(shù) 詞timethat從句互相轉(zhuǎn)換。 Its the first time for me

14、to visit Disney land. I feel so excited. Its the first time that I visit Disney land. I feel so excited. 這是我第一次參觀迪士尼樂園。我感到很興奮。,10(2017黑龍江龍東中考改編)Its time for me _ goodbye to my mother school. I will never forget all _love. Ato say; teachers Bsaying; teachers Cto say; teachers Dsaying; teachers,A,考點十

15、first of all/congratulate的用法 【課文原句】 First of all, Id like to congratulate all the students who are here today.首先，我想祝賀今天所有在 座的同學們。(九P110),(1)first of all 意為“首先”，常放在句首表示次序，后面往往接next, then 等，其反義詞組為at last, in the end。 First of all, let me introduce myself to you.首先，讓我向你 做一下自我介紹。,(2)congratulate 意為“祝賀”，

16、通常用于“congratulate sb. on sth.”，表示 “為某事而祝賀某人”。 She congratulated me warmly on my good exam results. 她熱情地祝賀我考試取得了好成績。,congratulation是congratulate的名詞形式，其復數(shù)形 式常單獨使用。 Ive got the first prize.我得了一等獎。 Congratulations！祝賀！,考點十一 thirsty的用法 【課文原句】 You were all so full of energy and thirsty for knowledge.你們朝氣蓬勃

17、，渴求知識。(九P110) thirsty“渴望的；口渴的”；be thirsty for意為“渴望；渴 求”，后跟名詞或動詞ing形式作賓語。 We are thirsty for success.我們渴望成功。,11(2015山東淄博中考)After the football match, the players were very _ and tired. Acool Bfull Clively Dthirsty,D,12(2019原創(chuàng))The children in countryside are really thirsty _ knowledge. Afor Bto Cat Dof

18、,A,考點十二 set out的用法 【課文原句】 As you set out on your new journey, you shouldnt forget where you came from.在你們踏上新征程 時，不要忘記你們來自哪里。(九P110),(1)set out 意為“出發(fā)；啟程”，其后常跟“for地點”，表示出發(fā)去 某地。 The army are about to set out.部隊就要出發(fā)了。 Lingling and I will set out for Hangzhou.玲玲和我將啟程 去杭州。,(2)set out on sth. 意為“開始進行新的或重要的事情”。 When we set out on this project, we knew it would be difficult.我們開始著手這個項目時就知道它很難。,(3)set out to do sth. 意為“著手做某事”，相當于“set about doing sth.”。 At five in the morning, he set out to do his work.清晨五點 他就開始工作。 As soon as she got home, she set abo