选修6unit5学案审定稿2

1、Unit5The power of nature 第一课时【学习目标】知识与能力：学习本单元重点单词短语，掌握文章中出现的重要句式。过程与方法：阅读获取知识信息为主，提前预习，小组讨论解决问题。情感态度价值观：了解关于火山的知识，培养探索大自然的兴趣。【课前自学】通过阅读课文，完成下列重点短语。1. 把和进行比较 2. 穿上；戴上3. 正要、即将要做某事 4. 组成；形成5. 在远方 6. burn to the ground 7. out of the way 8. make ones way 9. take risks/ a risk 10. take notice 【问题展示】Read

2、text 1 quickly and choose the best answer.1. Whats the main idea of the passage?A. An eruption occurred in Hawaii.B. A volcanologists job is exciting.C. A volcanologists exciting job and his first sight of an eruption.D. A sight of an eruption is horrible.2. Whats the main idea of para.3?A. Boiling

3、rock which erupts from the volcano and crashes back less damage.B. The lava that flows slowly down the mountain causes far more damage.C. The eruption is much more exciting to watch.D. There had been an eruption in the side of the mountain.3. The writer doesnt mind the occasional danger of his job b

4、ecause .A. He travels to unusual places and meets interesting people from all over the world.B. He likes the different ways of working.C. He thinks his job the most important. D. He is excited about dangers and feels alive.4. As a result of the volcanologists work, .A. other scientists predict the p

5、rogress of lava from the volcano.B. many people have been warned to leave their homes.C. the eruption causes less damage.D. the eruption may be prevented from breaking out.5. Why did the volcanologists run out of the house into the back garden?A. Because his bed began shaking.B. Because his bedroom

6、suddenly became as bright as day.C. Because he thought there was an earthquake in Hawaii.D. Because he wanted to collect information about the eruption.6. What does the writer mean by using “lucky” in the sentence “I was lucky enough to have a much close look at it.”?A. He felt much safer on the top

7、 while the other two scientists climbed down into the crater.B. It was his first sight of an eruption.C. It was the first time for him to watch the crater.D. Both B and C. Unit5The power of nature 第二课时Language points (1) 重点单词词组及句型volcano; alongside; appoint ;burn to the ground; evaluate; wave ;erupt

8、ion ;absolutely ;suit ;make ones way ;potential1 volcano n.It shows a volcano erupting.Can you imagine climbing into a live volcano in order to measure the temperature of the boiling rock inside? (回归课本 Page33 )【归纳拓展】n. pl. volcanoes /vocanosan_/a _/an dormant volcano 一座活、死、休眠火山火山学 volcanology -ology

9、: “ 学/论。” oceanology _ climatology_ zoology_ musicology _ dialectology_ methodology_火山学家 volcanologist -ist “学家 ” pianist _ physicist_2 alongsideI travel to unusual places and work alongside people from all over the world. (回归课本Reading Page 34) (1)A police car pulled up alongside us (2)Tom caught up

10、 with me, and walked alongside. alongside （1）词性_词义_（2）词性_词义_ 3. appoint v. I was appointed as a volcanologist working for the Hawaiian Volcano Observatory. (回归课本Reading Page 34)【用法点拨】(1) A committee was appointed to consider the plans. (2) Our school appointed a day in September for the opening cere

11、mony. 根据语义找匹配A. 任命，委派B. 确定(时间、地点等)，约定(1) _(2) _【用法点拨】appoint sb. to do sth. _appoint sb. to sth. / as sth. _appointment n. 任命，委派，约会，预约appointee n. 被任命人， 被指定人【即学活用】用appoint的适当形式填空Rose _to act as secretary. Now she is making _with the manager of Marketing Department. 4burn() to the ground 全部焚毁 burn (b

12、urnt,burnt; burned,burned)Unfortunately, we cannot move their homes out of the way, and many houses have been covered with lava or burned to the ground. (回归课本 Page34 )【归纳拓展】(1)He has no place to live in because his house has been burnt to the ground.(2)Spart will burn to the ground. 斯巴达将被战火夷为平地burn(

13、) down烧成平地(烧毁,烧光)Don't leave the gas on you might burn the house down.别忘了关煤气炉-不然会把房子烧掉的.The house burnt down in half an hour.那所房子在半小时之内就被焚为平地.burn up 烧完; 烧尽; 烧光;烧旺起来All the wood has been burnt up.木柴全部烧光了。burn off 烧掉Burn the old paint off before re-painting the door.先把门上的旧漆烧掉再上新漆.burn out 烧掉 burn

14、 (sb/oneself) out 累垮（某人）The hotel was completely burnt out.该旅馆毁於大火.If he doesn't stop working so hard, he'll burn himself out.他继续这样拚命地工作，就会累垮的。5. evaluateHaving collected and evaluated the information, I help other scientists to predict where lava from the volcano will flow next and how fast

15、. (回归课本Reading Page 34)【用法点拨】(1) How would your coworkers evaluate you? (2)An expert will evaluate the old furniture in this house.(3)We must scrutinize（细看） and evaluate.(4)They had no idea how to evaluate from a financial perspective（角度） what management was doing.【归纳拓展】evalue sb /sth/wh- _evaluatio

16、n n.(c,u) an evaluation of the health care system_evaluative adj.6. wave The lava that flows slowly like a wave down the mountain causes far more damage because it buries everything in its path under the molten rock. (回归课本Reading Page 34)【用法点拨】(1)Force yourself through the wave.(2)The flowers wave i

17、n the gentle wind, and provide cover for many hiding birds.(3)Wave and smile when you part.(4)She has a natural wave in her hair(5)The guard wave his flag and the train leave the station.【归纳拓展】wave n,波，波浪，（头发）卷曲 v.波动，起伏，挥手，vt挥舞7 .eruptionHowever , the eruption itself is exciting to watch and I shall

18、 never forget my first sight of one. (回归课本Reading Page 34)【用法点拨】(1)Moreover, the current eruption is different from many previous incidents because the Icelandic volcano is beneath a glacier.此外，因为冰岛的火山位于冰川之下，目前的火山爆发与以往许多火山喷发的情况不同。(2)Such was the force of the eruption that the whole town was covered

19、with ash.(3)an eruption of violent protest 暴力反抗的大爆发【归纳拓展】eruption n.(c,u)火山大爆发；（战争等）爆发erupt vt.&viAsh began to erupt from the crater。（vi.）An immense volume(大量的) of rocks and molten lava was erupted.（vt.）Violence erupted outside the embassy gates. （break out） 8.absolutelyIt was an absolutely fant

20、astic sight. (回归课本Reading Page 34)【用法点拨】(1)used to emphasize that something is completely trueYou're absolutely right.He made it absolutely clear.I'm not absolutely certain I posted it.It was absolutely pouring with rain.(2）used with adjectives or verbs that express strong feelings or extrem

21、e qualities to mean extremelyShe absolutely adores you.He's an absolutely brilliant cook9.suit We had white protective suits that covered our whole body, helmets, big boots and special gloves. (回归课本Reading Page 34)【用法点拨】 suit n. a business suit _a diving suit _ a suit of armour (盔甲) _suit v.(1）

22、to be convenient or useful for somebody suit somebody/something / it suits somebody to do something a. Choose a computer to suit your particular needs.b. If we met at 2, would that suit you?c. If you want to go by bus, that suits me fine.d. He can be very helpful, but only when it suits him.e. It su

23、its me to start work at a later time.(2)suit somebody (especially of clothes, colours, etc.) to make you look attractivea. Blue suits you. You should wear it more often.b. I don't think this coat really suits me.(3 )suit somebody/something (especially British English) (usually used in negative s

24、entences) to be right or good for somebody/somethingThis hot weather doesn't suit me. 10. make ones way （向某地）走（去）It was not easy to walk in these suits, but we slowly made our way to the edge of the crater and looked down into the red, boiling center. (回归课本Reading Page 35)【用法点拨】(1) Can you tell

25、me the_way to the library?(2) Come_this_way,_please. (3) Do you know the way of solving the problem?(4) I will make_way home now. 根据语义找匹配A. 这边走B. 走，前进C. 路D. 方法(1)_(2)_(3)_(4)_【归纳拓展】by the way 顺便问/说/提一下by way of 途径；通过方法in the way 妨碍，阻挡 all the way 一路上；一直 in no way 绝不 lead the way 带路，引路show sb. the wa

26、y 给某人指路on one's way to 在某人去的途中on the way 即将来临in a way 在某种程度上No way! 决不！the other way round 相反，反过来give way to sb. / sth. 让出，放弃，妥协make way for sb. / sth. 让某人或某物通过，给某人或某物让路make one's way in life 事业有所成就 make way (for) 让路，让位He made his way through the crowd to greet us.他穿过人群向我们打招呼。All the traffic

27、 has to make way for a fire engine. 所有的车辆都得给救火车让道。If you want to make your way in the world, you must learn to work hard while you are still young. 你若想要有出息，趁年轻的时候要学会发奋。feel one way摸索前进push ones way挤过find ones way找到路，设法到达go ones way走自己的路，我行我素fight ones way奋勇前进wind ones /its way蜿蜒前进lose ones way迷路11 p

28、otentialHaving studied volcanoes now for many years, I am still amazed at their beauty as well as their potential to cause great damage. (回归课本Reading Page 35)【用法点拨】(1)The most perceptive of the three, she was the first to realize the potential danger of their situation. (2)He hasn't realized his

29、 full potential yet.根据语义找匹配A. 潜力，可能性B. 有潜力的，潜在的(1)_(2)_with potential 有潜力 have / show potential to do sth. 有潜力做某事achieve / fulfill / realize one's potential 发挥某人的潜力potential benefit 潜在的好处potential danger / risk / threat 潜在的危害potentially adv. a potentially dangerous situation【即学活用】完成句子You are a b

30、oy with (1) _. Once it is (2) _， your progress is great, and nobody will equal you in the school. 你是一个有潜力的人，一旦它发挥出来了，你的进步就会很大，在学校没有人能比得上你。重点句型1 Having collected and evaluated the information, I help other scientists to predict where lava from the volcano will flow next and how fast it will flow. (回归

31、课本Reading Page 34 Line 9-11)本句为ing形式的完成式作状语。如果分词表示的动作在谓语动词表示的动作之前发生，该分词用完成式。 例如： Not having met the man before, I couldn't recognize him at first. Having finished my homework, I went to play football. _ the programme, they have to stay there for another two weeks. (C)A. Not completing B. Not com

32、pleted C. Not having completed D. Having not completedHaving_failed to reach them on the phone，we sent an email, instead. (1) Having done 是现在分词的完成式，在此句中作时间状语。现在分词作状语时，如果分词动作发生在主句谓语动词之前，就要用现在分词的完成式。如果分词动作与句子的主语之间是被动关系，则用 having been done，主动关系用having done。 Having suffered from heart trouble for years,

33、 his dad has to take some medicine with him whenever he goes. (2) 分词的完成式having done不作宾补，不作定语，分词与不定式的区别主要体现在动作发生的时间上。 完成句子(1)Having put on his gloves, the doctor began to do the operation. 戴上手套后，那位医生开始做手术了。(2)Having finished her homework， she stopped to have a break. 写完作业后，她停下来休息。(3)Hearing the news,

34、 the woman stood there, frightened. 听到这个消息，那位女士站在那儿，吓坏了。 2、I_was_about_to go back to sleep when suddenly my bedroom became as bright as day. (回归课本Reading Page 34 Line 25-26) 我刚要再睡，突然我的卧室亮如白昼。(1)He was about to go to bed when the telephone rang. (2)The students were discussing heatedly when their tea

35、cher came in. (3)I had traveled only two hours one day when the winds increased so much. when 的含义为 and then, and just then或at that time, 意为“那时，恰在那时，就在那时”等。 when 前可用逗号，也可省略，常与suddenly等连用，以加强语气。表示“正在做某事时突然 ”， when作并列连词主要有如下三种句型表达：(1)was / were about to do when 正要做忽然 He was just about to stand up when

36、he felt something moving near his feet. 他正要站起身来，忽然感到什么东西在他脚边蠕动。(2)was / were doingwhen 正在做忽然 We were watching TV when suddenly the light went out. 我们正在看电视，灯突然熄灭了。(3)hardlywhen 还没 (刚刚)就 短语中，主句常用过去完成时，从句用一般过去时。 A few students of our school had hardly arrived back when they were isolated. 我们学校的几名学生刚刚回来

37、就被隔离了。完成句子(1)I was about to go swimming when our guide saw me and shouted at me. 我正要去游泳，这时我们的导游看见了并对着我喊叫。(2)I was talking to Lucy when Lily cut in. 我正在和Lucy谈话时，突然被Lily打断。(3)The boys had hardly played basketball long when the bell rang.这些男生刚刚打篮球上课铃就响了。() 1. (2010·天津)My father warned me _ going t

38、o the West Coast because it was crowded with tourists. A. by B. onC. for D. againstOur work has saved many lives because people in the path of the lava can be_warned_to_leave their houses.(P34) Dwarn sb. against doing sth. 意为“警告某人不要做某事”。() 2. (2010·湖南)Dina, _ for months to find a job as a waitr

39、ess, finally took a position at a local advertising agency. A. struggling B. struggledC. having struggled D. to struggleC考查非谓语动词。分词短语作时间状语，其逻辑主语Dina与struggle为主动关系，故排除B项。由句中的finally可知非谓语动词表示的动作发生在句中谓语took a position之前，故用现在分词的完成主动式。Having_swallowed the fruit, the girl became pregnant and later gave bi

40、rth to a handsome boy.(P39)第三课时Language points (2) 重点单词shoot; panic;vary ;glance through; bathe; guarantee;12 shoot (shot, shot) vt.&vt. She was shot. (回归课本Reading Page 37)【用法点拨】(1)shoot (something) (at somebody/something) troops shooting at the enemya. The police rarely shoot to kill (= try to

41、kill the people they shoot at).shoot something (from something) b. He shot an arrow from his bow.c. They shot the lock off (= removed it by shooting). (2) transitive to kill or wound a person or an animal with a bullet, etcshoot somebody/something/yourself a. A man was shot in the legb. The guards w

42、ere ordered to shoot on sight（一见就） anyone trying to escape.shoot somebody/something + adjective c. Three people were shot dead during the robbery.(3） transitive, intransitive shoot (something) (of a gun or other weapon) to fire bullets, etcThis is just a toy gunit doesn't shoot real bullets.shoo

43、t n. new green shoots n.绿色新芽bamboo shoots n. 竹笋a fashion shoot n. 时装摄影13 panic (panicked, panicked)vi. & vt n.惊慌；恐慌I felt very nervous and had to force myself not to panic. (回归课本Reading Page 38)【用法点拨】(1)I panicked when I saw smoke coming out of the engine.(2)The gunfire panicked the horses.

44、 (3)We will not be panicked into making a decision before we have considered all the evidence.panic vt.&vi. panic somebody into doing something 使仓惶行事；使仓促行动panic n.a moment of panic They were in a state of panic. Office workers fled in panic as the fire took hold.There's no point getting into

45、 a panic about the exams.a panic attack (= a condition in which you suddenly feel very anxious, causing your heart to beat faster, etc.)a panic decision (= one that is made when you are in a state of panic )A look of panic crossed his face.14、glance through Glance through these questions. (回归课本Readi

46、ng Page 39)【用法点拨】glance through= glance overglance through the titles浏览标题Glance Through And Check翻检glance down/over/through sth匆匆浏览(1)He question if he may glance through my album.(2)I have a glance through the newspaper headlines.(3)A glance through the window offers a view of the West Lake.15、vary

47、 v. The height of the land varies from 700 metres above sea level to over 2,000 metres and is home to a great diversity of rare plants and animals. (回归课本Reading Page 39)【用法点拨】根据语境猜词义(1) My doctor said I should vary my diets more. (2) Her mood seems to vary according to the weather. (3) Test scores v

48、ary from school to school. (4) The results of the experiment varied widely. 根据语义找匹配 A. 从到之间变化B. 改变，使发生变化C. 大不相同D. 因而异(1) _(2) _(3) _(4) _【归纳拓展】vary fromto 从到之间变化vary widely / enormously / greatly / considerably 大不相同vary slightly 差别不大vary according to / depending on 因而异variety n. 变化，多样化，种类，品种 various

49、 adj. 各种各样的辨析change / vary / turn change指任何变化，完全改变，强调与原先的情况有明显的不同。 Her expression changed when she heard the news. vary暗示不规则或断断续续地变。 She varied her dress as fashion changes. turn指外形、颜色、气味、性质等方面的变化，比change更通俗。Caterpillars（毛毛虫） turned into butterflies.【即学活用】根据vary的相关短语填空(1)Culture _ from country to co

50、untry. (2)British English and American English _ slightly (差别不大). (3)Charges _ according to / depending on size. 单项填空 ()(4)Features such as height, weight, and skin color _ from individual to individual and from face to face. A. change B. varyC. alter D. turn 16 bathe vi.Others come to walk in the m

51、ountains, to see the spectacular waterfalls or to bathe in the hot water pools. (回归课本Reading Page 39)【用法点拨】根据语境猜词义(1) I shall have a hot bath and go to bed.(2) Your bath is ready. (3) You may bathe after supper. (4) The nurses were bathing the wound. 根据语义找匹配 A. 洗澡水B. 洗澡(n.)C. 洗澡(v.)D. 用水洗，清洗(1)_(2)

52、_(3) _(4) _bath n. 洗澡(水) have / take a bath洗澡 be bathed in brilliant sunshine/light 沐浴在阳光中/光线中be bathed in sweat大汗淋漓【即学活用】用 bath 和bathe的适当形式填空He prefers to release his pressure by playing basketball, (1) _ in sweat, and then has a hot (2) _. Everything is gone. 17、guarantee v. & n. If you are lu

53、cky enough to visit the Lake of Heaven with your loved one, dont forget to drop a coin into the clear blue water to guarantee your love will be as deep and lasting as the lake itself. (回归课本Reading Page 39)【用法点拨】根据语境猜词义(1)We cannot guarantee the punctual arrival of trains in foggy weather.(2)The bank will lend me money if my parents guarantee the loan. (3)His turning up will guarantee the success of the