Unit13 We’re trying to save the earth!重难点全解(2)

《Unit13 We’re trying to save the earth!重难点全解(2)》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit13We’retryingtosaveourearth!一、重点短语1.atthebottomof.......的底部atthetopof：在……顶端 2.befullofrubbish满是垃圾3.setup建立4.burncoal烧煤5.toomuchwaste太多的废物6.leadto通向；导致7.takepartin参加8.hearof/about听说9.turnoff关掉10.abowlofsharkfinsoup一碗鱼翅11.payfor支付12.bringback恢复；使想起13.cutoff切掉，剪掉14.notonly...Butalso...不仅......而且

2、......15.takeactions采取行动16.beindanger处于危险中17.throwaway扔掉；抛弃18.putsthtogooduse好好利用19.pulldown拆下；摧毁20.upsidedown上下颠倒，倒转21.beknownfor因......而出名22.theimportanceof...........的重要性  23.doharmto：对……有害重要知识点点拨考点1.辨析：cost/spend/take/pay  都与“花费”有关，但用法上有区别。 coststh.costs(sb.)+money spend1.spend+time/moneyonst

3、h.2.spend+time/money(in)doingsth. takeIttakes(sb.)time+todosth. paypay(sb.)+moneyforsth. 因此，“他们花两年建造这座桥”可以表示为： Theyspendtwoyearsonthisbridge. =Theyspenttwoyears(in)buildingthisbridge. =Ittookthemtwoyearstobuildthisbridge. “我花了2000块钱买这台电脑”可以表示为： Ispent2000Yuanonthenewcomputer. =Ispent2000Yuan(in)b

4、uyingthenewcomputer. =Thenewcomputercostme2000Yuan. =Ipaid2000Yuanforthenewcomputer.考点2.辨析：takepartin/join/joinin/attend  这些动词或词组均含“参加，加入”之意。 takepartin常指参加大型比赛或活动。 join特指加入党派、团体等；joinsb.in(doing)sth. 指“和某人一起做某事”。 attend侧重参加或出席会议、学术活动、音乐会、上课等等，着重强调成为其中的听众或观众。 Alotofcollegestudentstookpartinthemov

5、ementlastyear.  Hisbrotherjoinedthearmytwoyearsago.   Hundredsofstudentsattendedthelecturegivenbythefamousprofessor.考点3. 词义辨析：turn词组  turnon打开 turnoff关上 turnup把……调高 turndown把……调低 turnout原来是，结果是 turnout(tobe)+adj./n. turnaround转身 turnback返回 turnto翻到……；求助于…… turninto将……转变为……；译成…… turnover翻转 Theexpe

6、rimentturnedouttobeasuccess.  Iturnedaroundtoseewhowascallingme. PleaseturntoPage10. Ihaveturnedintoawomanwithstrongwill. Sheturnedoverandfelltosleep. affordtodosth.：买得起……，足够支付……  Wecan’taffordtopaysuchahighprice. beharmfulto：对……有害  Stayingupoftenisharmfultoyourhealth. 考点4. throwaway：扔掉；错过（机会等）  

7、throwat：扔向…… throwabout：到处扔 Don’tthrowawaythisopportunity.   拓展：bring词组bringback：归还；使想起 bringup：抚养长大  bringin：引进 Yourarticlebroughtbacksadmemoriesforme.  考点5.  英语中有些名词，单复数形式意义有差别。  manner方式，方法 manners礼貌，礼仪  arm 胳膊