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1、Section A 第三课时第三课时(3a-4c)Unit 13 Were trying to save the earth.shark n.鲨鱼鲨鱼fin n.（鱼）鳍（鱼）鳍cruel adj.残酷的；残忍的残酷的；残忍的harmfuladj.有害的有害的3a3a3a3aRead the passage about sharks and complete the fact sheet below.Where shark fin soup is popularNumber of sharks caught and traded every yearHow much the numbers o
2、f some kinds of sharks have fallen in the last 20 to 30 yearsTwo environmental groups against“finning”soalthoughifbutwhen1.Many people do not realize they are killing a whole shark _ they enjoy a bowl of shark fin soup.2.Sharks are at the top of the food chain,_their numbers drop,the oceans ecosyste
3、m will be in danger.whenso3b3b3b3bRead the passage again and fill in the blanks with the words in the box.3.Many think that sharks are too strong to be endangered,_ they are wrong.4._ there are no scientific studies to support this,a lot of people believe that shark fins are good for health.5.Sharks
4、 may disappear one day _ we do not do something to stop the sale of shark fins.butAlthoughifGrammarFocusWere trying to save the earth.Present progressiveThe river used to be so clean.Used toThe air is badly polluted.Passive voiceNo scientific studies have shown that shark fins are good for health.Pr
5、esent perfectWe should help save the sharks.Modal verbsJoe:_ you ever _(take)part in an environmental project?Ken:Yes,I have.I _(help)with a Clean-Up Day last year.It was _ (consider)the biggest clean-up project this city _ ever _(have).Joe:How many people _(take)part?Havetaken helpconsidered to beh
6、adhadhave taken4a4a4a4aFill in the blanks with the correct forms of the verbs in brackets.Ken:I _(think)more than 1000 people _(come)to help out.Joe:Thats fantastic!I guess everyone in this city is _(try)to improve the environment.Ken:Yes,we cant afford to _ (wait)any longer to take action!thinkhave
7、 cometryingwaitingcanmay/mightcouldhave toshouldmustwould4b4b4b4bFill in the blanks with the appropriate modal verbs from the box.People _ think that big things _ be done to save the earth.Many forget that saving the earth begins with small things.For example,you _ save electricity by turning off th
8、e lights when you leave a room.You _ also use reusable bags instead of plastic bags.I think its a great idea that you now _ pay for plastic bags in some stores.maymustcancanhave toAnd instead of driving to school or work,you _ ride your bike or walk.If its far,you _ take the bus.All these small thin
9、gs _ add up and become big things that _ improve the environment.Lets take action now!couldcanmightcanI think that everyone should use public transportation.I disagree.Its difficult for parents with young children to use public transportation4c4c4c4cMake a list of things that people can do to help t
10、he environment and discuss your list with your partner1.Save the Sharks!save作作动词动词，意为，意为“救，拯救救，拯救”，后常跟，后常跟介词介词from。如：如：He saved the boy from the big fire.他从大火中救出了那个男孩。他从大火中救出了那个男孩。The dog saved the girls life.那只狗救了女孩的命。那只狗救了女孩的命。Language points拓展：拓展：save作作及物动词及物动词，意为，意为“储蓄，贮存；节省储蓄，贮存；节省”。如：如：She sav
11、ed her strength for the last minutes of the race.她保存体力，准备在比赛的最后几分钟冲刺。她保存体力，准备在比赛的最后几分钟冲刺。save作作不及物动词不及物动词，意为，意为“节省；存钱；贮存物品节省；存钱；贮存物品”。如：如：Some animals save for the future.一些动物为未来之需储存食品。一些动物为未来之需储存食品。Language points2.When people catch sharks,they cut off their fins and throw the shark back into the o
12、cean.cut off有以下几种意思：有以下几种意思：切断（水、电）；中断；关掉。切断（水、电）；中断；关掉。如：如：Their water supply was cut off 他们的水源被切断了。他们的水源被切断了。切下来；剪下来。切下来；剪下来。如：如：They cut off the heads of their captives 他们把俘虏的头砍了下来。他们把俘虏的头砍了下来。Language points孤立。孤立。如：如：The enemy soldiers were cut off from their headquarters敌军同总部的联系被切断，成了孤军。敌军同总部的联
13、系被切断，成了孤军。The flood cut off the villagers from the rest of the world洪水切断了村民们与外界的联系。洪水切断了村民们与外界的联系。剥夺继承权。剥夺继承权。如：如：He has cut his son off without a penny 他取消了儿子的继承权，一便士也不给。他取消了儿子的继承权，一便士也不给。Language points【拓展拓展】关于关于cut的用法：的用法：cut down 削减；砍倒；杀死；删节；胜过削减；砍倒；杀死；删节；胜过 cut in 插嘴；超车；插入插嘴；超车；插入 cut into 打断；侵
14、犯打断；侵犯 cut out 切断；删去；停止；关掉切断；删去；停止；关掉 cut back 削减；修剪；（美）倒叙削减；修剪；（美）倒叙cut short缩短；打断；缩减缩短；打断；缩减 cut from 从从上切下上切下 cut through 刺穿；抄近路走过刺穿；抄近路走过 cut down on 削减，减少削减，减少 cut up 切碎；抨击切碎；抨击 cut away 切掉，砍掉切掉，砍掉Language points1.(2014潍坊潍坊)-Are Betty and LingLing still living in Beijing?-No,they _ to Qingdao.A
15、.will move B.are movedC.have just moved D.move2.(2014黔西南黔西南)I _ my homework for a long time,I really miss it.A.left B.went away fromC.have left D.have been away fromCD3.(2013福建泉州福建泉州)-If we take a shower instead of bath,more water _.-I agree with you.A.has saved B.can save C.can be saved4.I was _ in
16、 the middle of the telephone call.A.cut off B.cut downC.cut in D.cut away5.People who _ sports must be in condition.A.join B.join in C.take part inCAC完成课完成课后提升后提升作业。作业。书到用时方恨少，事非经过不知难。书到用时方恨少，事非经过不知难。陆游陆游1、了解面对逆境，远比如何接受顺境重要得多2023/4/232023/4/232:07:14 PM。2023/4/232023/4/23Sunday,April 23,20232、一般的伟人总
17、是让身边的人感到渺小Sunday,April 23,20232:07:14 PM4/23/2023 2:07:14 PM14:07Apr-23。2023/4/232023/4/232023/4/234/23/2023 2:07:14 PM3、2023/4/23Apr-2323-Apr-234、昨天是张退票的支票23-Apr-232:07:14 PM14:072023/4/232023/4/232023/4/23Sunday,April 23,20235、积极人格的完善是本，财富的确立是末23-4月-23。2023/4/232023/4/232023/4/232023/4/234/23/2023
18、6、昨晚多几分钟的准备4/23/2023 2:07:14 PM23 四月 20232023/4/232023/4/232023/4/237、每一发奋努力的背，必有加倍的赏赐2023/4/23四月 232023/4/232023/4/232023/4/234/23/20238、业余生活要有意义，不要越轨。2023/4/232023/4/2323 April 20239、要及时把握梦想，因为梦想一死4/23/2023 2:07:14 PM。2023/4/232023/4/232023/4/232023/4/2310、一个人的梦想也许不值钱，但一个人的努力很值钱。4/23/2023 2:07:14
19、PM2023/4/2323-4月-2311、在真实的生命里，每桩伟业都由信心开始，并由信心跨出第一步。4/23/2023 2:07 PM4/23/2023 2:07 PM2023/4/232023/4/23谢谢大家谢谢大家1、每一个成功者都有一个开始。勇于开始，才能找到成功的路2023/4/2314:072、成功源于不懈的努力，人生最大的敌人是自己怯懦。2023/4/232023/4/232023/4/234/23/2023 2:07:15 PM3、每天只看目标，别老想障碍Sunday,April 23,2023。2023/4/232023/4/232023/4/23Monday,July 1
20、9,202123-Apr-234、宁愿辛苦一阵子，不要辛苦一辈子2023/4/23。2023/4/232023/4/232023/4/23Sunday,April 23,20235、积极向上的心态，是成功者的最基本要素2023/4/23。2023/4/232023/4/232023/4/232023/4/234/23/20236、生活总会给你另一个机会，2023/4/232:07:15 PM2023/4/232023/4/232023/4/237、人生就像骑单车，想保持平衡就得往前走21:19:482023/4/232023/4/234/23/20238、业余生活要有意义，不要越轨。2023/4/232023/4/2323 April 20239、我们必须在失败中寻找胜利Sunday,April 23,20232023/4/2310、一个人的梦想也许不值钱，但一个人的努力很值钱。4/23/2023 2:07:15 PM2023/4/2323-4月-2311、在真实的生命里，每桩伟业都由信心开始，并由信心跨出第一步。4/23/2023 2:07 PM4/23/2023 2:07 PM2023/4/232023/4/23谢谢大家谢谢大家