2014年高二英语（人教版选修7）教学精品课件：UNIT 3 PERIOD Ⅰ.ppt

1、【美文阅读】广袤无垠的海洋，孕育了无数生命传奇，以其独有的神秘吸引着人类对其进行不懈的探索。为此，海洋科学家通常把海洋分为五个区域。现在就让我们一起了解一下吧！Below 4,000 metres，the temperature is near freezing and there is no light at all.In fact，the zone is so dark and empty that scientists named this zone after the Greek word for“no bottom”There is not much life to be found

2、 in this cold and unpleasant part of the ocean，but some small creatures still manage to survive here despite the high water pressure.The very deepest part of the ocean is found 2,000 metres further down.At this depth，the water pressure is extremely high and life is very difficult for the few creatur

3、es that live here.Compared to the other zones，this one has very little life.Since there is no light here，some of the animals do not have eyes.Next time you look at the ocean from the beach or on a map，remember that what you are seeing is only the surface only the beginning of the large and varied ad

4、venture.教师用书独具演示教学目标初步掌握本课文中的词汇，浅层次理解课文，了解相关的背景知识。本课时主要是通过学生对学案所给出的内容的学习，了解本课文中所出现的词汇，初步了解课文以及相关的背景知识，让学生在下一堂课中对课文的全面理解起到一个铺垫作用。教学地位本单元的中心话题是“海底世界”。听说读写等活动主要围绕海底动植物、海底奇妙景观，以及有关大海的神话故事展开。本单元引导学生讨论这些话题，目的在于让他们了解海底世界的博大与奇妙。从而增强保护海洋和开发利用海洋的意识。新课导入建议可以通过讨论教材第19页的图画引导学生了解这些海底动植物。培养学生热爱和保护海洋生物的意识。演示结束.篇章结构

5、阅读文章，然后完成下面表格(每空不超过3词)The main idea of the textI 1.a scene where Old Tom，the killer whale，helped the whalers catch the huge whales.Time2.Details of the storyOld Tom made a loud noise，3.us that there was a whale out there for us.We jumped into the boat and headed out into the bay.Old Tom 4.us the way

6、.As we approached，the killers over there were throwing themselves 5.the whales blowhole to stop it 6.，and the others were stopping it diving or 7out to sea.One man aimed at the whale and his harpoon hit the spot.The whales body was 8by the killers down into the 9of the sea.We went home and intended

7、to get the whales body the next day.In the following 24 hours，the killers would have a good feed on its 10.【答案】1.witnessed2.One afternoon3.telling4showed5.on top of6.breathing7.fleeing8dragged9.depths10.lips and tongue.语篇理解阅读P2021的Reading部分，从每题所给的3个选项中选择最佳答案1Who first shouted that the killer was com

8、ing?AThe writer.BJames.CGeorge.2Which of the following is TRUE?A Old Tom and his friends were helpful to the whalers.BOld Tom was 70 years old.COld Tom never did any favor for the whalers.3Why did the killers throw themselves on top of the whales blowhole?ATo protect the whale.BTo help the whale run

9、 away.CTo stop the whale breathing.4The whalers returned home without the whales body because.Ait was too heavy to carryBthey didnt catch the whaleCit wouldnt float up to the surface for around 24 hours5Old Tom helped James by.Ahugging him in the waterBkeeping the shark away from JamesCholding up Ja

10、mes in the water【答案】15CACCC.课文缩写用所给单词或短语的正确形式完成课文缩写I had heard of the killers that helped whalers catch huge whales.When I worked at a whaling station，I 1.it many times.One afternoon，I heard a loud noise coming from the bay.We ran down to the shore2.time to see an enormous animal throwing itself out

11、 of the water.George，one of the whalers，told me that it was Old Tom，the killer，who was telling us theres a whale.Another whaler 3.out to 4.a whale hunt.We immediately headed out into the bay，with Old Tom 5.us the way.Using a telescope we saw that several killers 6.the whale were throwing themselves

12、on top of the whales blowhole to stop it 7.，while others were stopping it diving or 8.out to sea.Then the man in the bow of the boat aimed at the whale and killed it.These killers 9.harmed or attacked people.Once when we were in the bay，the sea was 10.，for which James was carried away by waves.Worse

13、 still，there was a shark.Fortunately，Old Tom rescued James.【答案】1.witnessed2.in3.yelled4.announce5showing6.over7.breathing8.fleeing9.never10.rough.词义搭配1urgeAto jump into the water head first2pause Bto run away；to escape(esp.from danger，threat etc)3witness Cto strongly recommend or suggest4abandon Dsh

14、ort stop while doing or saying something5yell Eto be present at sth.and see it6drag Fto give up completely7flee Gto utter a loud sharp cry or cries as of pain，excitement，etc8dive Hto pull(sb./sth.)along with effort and difficulty【答案】1.C2.D3.E4.F5.G6.H7.B8.A.短语填空sort out；help out；ahead of；in the mean

15、time；pack into；even though；wash off；point towards1There were three women waiting him in the queue.2Jane is her friend by lending him her car.3John a house，saying that was his home.4Ill need time to the office staffthey are hopelessly disorganized at the moment.5He got the first prize；，he broke the r

16、ecords.6These clothes wont be all one suitcase.【答案】1.ahead of2.helping out3.pointed towards 4sort out5.in the meantime6.packed into.句型背诵1 A few minutes later，there was no Tom，so George started beating the water with his oar and there was Tom，circling back to the boat，leading us to the hunt again.几分钟

17、之后，汤姆不见了，于是乔治开始用桨拍打水面。汤姆出现了，转回到船边，又领着我们前往捕猎处。2As we drew closer，I could see a whale being attacked by a pack of about six other killers.走近一看，原来是一头大鲸受到约六七条虎鲸的攻击。3“.And those others are stopping it diving or fleeingout to sea，”George told me，pointing towards the hunt.“而其他那些虎鲸则阻止它潜水或逃跑。”乔治一边指着捕猎的场景，一边告诉我。4It took over half an hour to get the boat back to James，.我们花了半个多小时才把船头调向詹姆斯，