九年级英语全册Unit13We’retryingtosavetheearth教学

1、Section ASection B in this town should play a part in cleaning it up!(教材P97)这个镇上的每个人都应该参与清理河流!解读 play a part in意为“参与;在方面起作用”,后跟名词、代词或动词-ing形式作宾语。He didnt play a part in the competition at all.他根本没有参加这次比赛。A good diet plays a large part in helping people live longer.健康的饮食在帮助人们长寿方面起着非常大的作用。拓展:take part

2、 in 意为“参加”。In early days only male athletes were allowed to take part in the Olympic Games.在奥林匹克运动会早期,只有男性运动员才能参加比赛。Section ASection B,to cut down air pollution,we should take the bus or subway instead of driving.(教材P98)嗯,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。解读1 cut down 意为“减少”;是“动词+副词”结构的短语,所带的宾语为名词时,宾语可位

3、于down的前面或后面;为代词时,只能位于down的前面。Youd better cut the article down to about 2,000 words.你最好能把这篇文章缩到两千字左右。Section ASection B拓展:(1)cut down 还可意为“砍倒”。They cut down the big tree.他们砍倒了这棵大树。(2)cut的有关短语Section ASection BSection ASection BSection ASection B解读2 instead of 意为“代替;反而”,介词短语,后跟名词、代词或动词-ing形式。I gave hi

4、m advice instead of money.我给了他忠告,而不是钱。Now I can walk to work instead of going by car.现在我可以步行去上班,而不必开车了。拓展:instead副词,意为“相反;而不是”。 If you cant go,I will go instead.如果你不能去,我替你去。Section ASection B3.Its good for health and it doesnt cost anything!(教材P98)它对身体有好处并且不会花费任何东西。解读 cost动词,意为“花费”。How much do the v

5、egetables cost?这些蔬菜值多少钱?Thats a beautiful leather wallet,but it costs too much.那个皮夹子很漂亮,但是价钱太贵了。拓展:cost还可作名词,意为“花费;价钱”。The cost of living has gone up again.生活费用又上涨了。Section ASection B易混辨析Section ASection BSection ASection BSection ASection B名师解题 Section ASection BSection ASection B,I never take wood

6、en chopsticks or plastic forks when I buy takeaway food.(教材P98)还有,当我买外卖食物时我从来不拿木筷或塑料叉。解读 wooden形容词,意为“木制的;木头的”。He has two old wooden tables.他有两张老式的木制桌子。Thats not plasticIts wooden.那不是塑料的它是木头的。拓展:wood名词,意为“木头”。He put some more wood on the fire.他又往火上加了些木头。Section ASection B have heard of shark fin sou

7、p.(教材P99)很多人都听说过鱼翅汤。解读 hear of 意为“听说”,相当于hear about。Have you ever heard of/about this matter?你听说过这件事吗?Section ASection BSection ASection BSection ASection B a fin,a shark can no longer swim and slowly dies.(教材P99)没有了鱼鳍,鲨鱼就不能再游泳并会慢慢死去。解读 no longer意为“不再”,相当于not.any longer,侧重时间上“不再”。 Im no longer a stu

8、dent.我不再是个学生了。 He no longer lives here.= He doesnt live here any longer.他不在这儿居住了。拓展:no more/not.any more意为“不再”,侧重程度和数量。 You can drink no more.= You cant drink any more.你不能再喝了。Section ASection B you ever taken part in an environmental project?(教材P100)你曾经参加过环境保护活动吗?解读 take part in意为“参加”。Many parents w

9、ere invited to take part in the pageant.很多家长被邀请参加这次盛典。Section ASection B易混辨析Section ASection BSection ASection B名师解题 Section ASection BSection ASection B,we cant afford to wait any longer to take action!(教材P100)是的,我们不能再等了,行动起来吧。解读 afford动词,意为“承担得起;买得起”,常与can或could连用,后跟名词、代词或动词不定式作宾语。The car is too e

10、xpensive for me.I cant afford it.这汽车对我来说太贵,我买不起。He cant afford to buy the house.他买不起这栋房子。Section ASection B名师解题 Section ASection BSection ASection B example,you could/should save electricity by turning off the lights when you leave a room.(教材P100)例如,当你离开房间的时候,你可以/应该关灯以节约用电。解读 turn off 意为“关掉”,代词作宾语时,

11、放在短语的中间;其反义词turn on,意为“打开”。Please turn the television off before you go to bed.睡觉前请关掉电视。Section ASection B易混辨析Section ASection BSection ASection B拓展:turn相关短语turn up调高(音量)turn down调低;拒绝turn into 变成;进入 turn on 打开Section ASection B think its a great idea that you now have to pay for plastic bags in som

12、e stores.(教材P100)现在在这些商店你不得不花钱买塑料袋,我认为这是很好的主意。解读1 Its a great idea that.句型中,it是形式主语,真正的主语是that引导的从句。It is a surprise that you gave such an answer to the question.你对这个问题做了这样的回答,这令人吃惊。拓展:Its a pity that.意为“是可惜的”。Its a pity that he cant come.很遗憾他不能来。Section ASection B解读2 pay for意为“付费;付出代价”。You get what

13、 you pay for.一分钱一分货。Youll have to pay for what you have done.你将不得不为你的行为付出代价。Section ASection B名师解题 Section ASection BSection ASection BSection ASection B you often throw away things you dont need anymore?(教材P102)你经常扔掉你不再需要的东西吗?解读 throw away意为“扔掉,抛弃”。He threw away the old sofa.他把旧沙发扔掉了。I never throw

14、anything away.我从来不扔任何东西。拓展:throw away还可以意为“错过;浪费”。Dont throw away this opportunity.不要错过这个机会。It will be time and money thrown away.这将是浪费时间和金钱。Section ASection B you ever thought about how these things can actually be put to good use?(教材P102)你有没有想过实际上这些东西可以怎样被好好地利用?解读 put sth.to good use意为“好好利用某物”,相当于

15、make good use of sth.。Your creative talents can also be put to good use,if you can work up the energy.如果你能让自己精力充沛起来,你的创作才能也能得到很好的发挥。Section ASection B lives in a house in the UK that she built herself out of rubbish.(教材P102)她住在英国,房子是她自己用废弃物建造而成的。解读 build/make.out of 意为“用建造/制造”。He built a model ship

16、out of wood.他用木头造了个模型船。Some birds build nests out of twigs.一些鸟用小枝筑巢。Section ASection B windows and doors come from old buildings around her town that were pulled down.(教材P102)窗户和门都取自她城镇周边被拆除掉的旧建筑。解读 pull.down意为“拆下;摧毁”。The cinema she used to visit had been pulled down.她常去的那家电影院已经拆除了。拓展:pull down还可意为“

17、把拉下”。People who live in glass houses should pull down the blinds(窗帘).住在玻璃房子里的人们,理应放下窗帘。Section ASection B名师解题 Section ASection BSection ASection B top of the house is an old boat turned upside down.(教材P102)房子的顶部是一条翻转过来的旧船。解读 turned upside down 意为“被翻转过来的;被颠倒过来的”,作后置定语修饰boat。upside down意为“上下颠倒;倒转”。Ton

18、y had an upside-down map of Britain on his wall.托尼的墙上倒挂了一张英国地图。The lid,turned upside down,served as a coffee table.那个盖子被翻过来当作咖啡桌。Section ASection B is known for using iron and other materials from old cars to make beautiful art pieces.(教材P102)他以使用从旧汽车上拆下的铁和其他材料做成美丽的艺术品而出名。解读 be known for意为“因而出名”。He

19、is known for his profound(渊博的) knowledge.他以学问渊博而出名。拓展:be known as意为“作为而出名”。Zhou Jielun is known as a rap singer.周杰伦是作为一个说唱歌手而出名。 Section ASection BSection ASection B more popular works can even been seen in art shops around the city.(教材P102)更受欢迎的艺术品甚至可以在全市的艺术品商店里看得到。解读 work可数名词,意为“(音乐、艺术)作品;著作”。 He

20、has read many of Hemingways works.他读过许多海明威的作品。联想:work可作不可数名词,意为“工作”,也可作动词,意为“工作”。There is plenty of work to be done in the garden.园子里有许多工作要做。He has worked in the factory since last year.从去年开始,他就在工厂里工作。Section ASection B8.Not only can the art bring happiness to others,but it also shows that even cold

21、,hard iron can be brought back to life with a little creativity.(教材P102)不仅艺术品能给人们带来快乐,而且冰冷坚硬的钢铁在艺术创作下也恢复了生命。解读 not only.but also.意为“不但而且”,not only位于句首时,前一个分句要部分倒装。Not only had the poor man been fined,but also he had been sent to prison.这个可怜的人不仅被罚款,而且还被送进了监狱。拓展:not only.but also.连接两个并列的主语时,谓语动词的数应与but also后主语的数保持一致,即“就近原则”。Not only you but also Mr.Zhang teaches in this college.不仅你,张老师也在此学院教书。语法复习本单元复习现在进行时、被动语态和现在完成时。一、现在进行时(1)含义:表示正在发生或进行的动