高中生物 第7章 第2节 现代生物进化理论的主要内容课件 新人教版必修2 (64)

1、选修选修6 Unit 5 The power of nature 重点单词重点单词1._vi.(指火山)爆发；突然发生_n.火山爆发；（战争等)爆发2. _n.灰；灰末3. _adv.在旁边；沿着边 prep.在旁边；沿着的边4. _n.设备；装备_v.装备5. _vt.任命；委派_ n. 任命；约定6. _vt.评估；评价；估计7. _n.波浪；波涛vi.波动；起伏；挥手8. _adj.绝对的；完全的_adv.绝对地；完全地erupteruptionashalongsideequipmentequipappointappointment evaluatewaveabsoluteabsolut

2、ely（学生用书见（学生用书见P P156156） 重点单词重点单词9._n.一套外衣；套装vt.适合；使适宜_adj.合适的10. _n.潜在性；可能性；潜能adj.可能的；潜在的11. _adj.实在的；实际的_adv.实际上；事实上12. _n.样品，样本 13. _n.候选人，候补者14_adj.珍贵的；贵重的15. _ adj.不舒服的；不舒适的_（反义词）adj.舒适的；合适的_vt.使安慰16. _adj.失去知觉的；未察觉的17. _vt.射中；射伤_n.射击；枪炮声suitsuitablepotentialactualactuallysamplecandidateprecio

3、usuncomfortablecomfortablecomfortunconsciousshootshot 重点单词重点单词18._vi.摇晃；摇动；颤抖19. _adj.忧虑的；不安的_adv.不安地；忧虑地_n.担心；焦虑；渴望20._vi.& vt.惊慌n.惊慌；恐慌21. _adj.多种多样的；不同的_n.多种多样；多样性22. _n.欣赏；感激；感谢_v.欣赏；感激23. _vt.保证；担保trembleanxiousanxiouslyanxietypanicdiversediversityappreciationappreciateguarantee 重点短语重点短语1._

4、 全部焚毁2. _ 前往3. _匆匆看一遍4. _ 由到不等5. _被委派为6. _ 生产；产生burn to the groundmake ones way glance throughvary from.to.be appointed asgive birth to1.“be about to.when.”结构，意为“正要/就要这时”I was about to go back to sleep when suddenly my bedroom became as bright as day. （教材P34）2.独立主格结构The other two climbed down into t

5、he crater to collect some lava for later study， but this being my first experience， I stayed at the top and watched them. (教材P35)3.it be+过去分词+that 从句It is said that this boy， who had a great gift for languages and persuasion， is the father of the Manchu people. (教材P39) 重点句型重点句型复习v.-ing形式I was appoin

6、ted as a volcanologist working for the Hawaiian Volcano Observatory (HVO) twenty years ago. (教材P34)Having worked hard all day, I went to bed early. (教材P34)语法要点语法要点appoint vt.任命，委派；约定，指定，安排I was appointed as a volcanologist working for the Hawaiian Volcano Observatory (HVO) twenty years ago. (教材P34)二

7、十年前我被任命为火山学家，为夏威夷火山观测站工作。1（学生用书见（学生用书见P P157157） appoint sb.as/to be.任命某人为 appoint sb.to+n.任命，委托 appoint sb.to do sth.委派某人做某事 appoint sth.(for sth.)(为某事)确定(日期、场所) appointment n.任命；约会 make an appointment with sb.与某人约会 keep/break an appointment守/违约(1) (2) She has been appointed as sales director/to th

8、e post of sales director.她被任命为销售部经理。 She has recently been appointed to the committee.她最近被委任为委员会成员。 We are considering appointing him to act as secretary.我们在考虑任命他当秘书。 We appointed the place and time for the next meeting.我们决定了下次集会的地点与时间。 I have an appointment with them in the evening.今晚我与他们有个约会。suit

9、n.一套外衣；套装 v适合；使适宜We had white protective suits that covered our whole body， helmets， big boots and special gloves. (教材P34)我们都穿着白色的防护服遮住全身，戴上了头盔和特别的手套，还穿了一双大靴子。2 fit多指衣服等尺寸、大小合身，合适。 suit指衣服等颜色、款式、花样等适合。 match指事物在大小、色调、性质等方面的两两相搭配。 It is almost impossible to find a time that suits everyboby.要想找到适合所有人的

10、时间几乎是不可能的。 If you want to go by bus， that suits me fine.如果你想坐公共汽车去，我也可以。 A good teacher suits his lesson to the age of his pupils.一位优秀教师讲课应适合这个年龄的学生。 I tried the dress on but it didnt fit. It was too small.我试穿了那件连衣裙，但不合身,它太小了。 Her clothes dont match her age.她的服装和年龄不相配。anxious adj.忧虑的，不安的I was so anx

11、ious and couldnt move at first. (教材P38)我非常担心，一开始吓得动弹不得。3 be anxious about/for sb./sth.对某人/某事感到忧虑 be anxious (for sb.) to do sth.渴望(某人)做某事 anxiey n.忧虑；担心；渴望 with anxiety焦虑地=anxiously （1）（2） Troy seems to be anxious about the test coming up.特洛伊似乎对即将到来的考试感到担忧。 They must be anxious to know the particula

12、rs.他们一定急于知道详细情况。 She was anxious for them all to leave her room.她渴望他们全部都离开她的房间。 I felt anxiety for/about his safety when I heard the news of the train accident.当我听到火车事故的消息时，我很担心他的安全。panic v(panicked，panicking) (使人或动物)受惊；惊慌 n.惊讶；恐慌I felt very nervous and had to force myself not to panic. (教材P38)我非常紧张

13、，不得不强迫自己不要惊慌。 4 panic over/about/at 因而恐慌 panic o doing sth. 使某人惊慌地做某事 be in a panic 处在恐慌中 get into a panic 陷入恐慌 in panic 惊慌失措地(1) (2) The banks were panicked into selling dollars.银行惊恐地抛售美元。 They got into a panic about/over/at the fire in the building.他们因大楼起火而变得慌乱起来。 All would get into a mess i

14、f you only got into a panic.如果你只是惊慌失措，所有的事情都会变得一团糟。 At the two gun shots the crowd fled in panic.听到两声枪响，人群恐慌地逃走了。guarantee vt.保证免受损失或伤害；确保 n.保证；保证书If you are lucky 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

15、 be as deep and lasting as the lake itself. (教材P39)如果你有幸同你所爱的人去游天池，别忘了投一枚硬币到清澈碧蓝的水中，以确保你们的爱情像湖水一样幽深而长久。5 sb. sth./ sth.to sb. 向某人担保或保证某事 sb. against/from sth. 保证某人免受损害、危险等 to do sth.保证去做某事 give sb. a guarantee that. 向某人担保 be under guarantee 在保修期内(2) (1) guarantee He will guarantee us possession of t

16、he house by May.他保证我们在五月可拥有这间房子。 We will do our best， but I cant guarantee that we will win.我们会尽力，但我不能保证我们会赢。 This insurance guarantees you against loss in case of fire.这项保险保证你在发生火灾时不受金钱上的损失。 Can you give me a guarantee that the work will be finished on time？你能向我保证按时完成工作吗？make ones way 前往；获得成功It was

17、 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 centre. (教材P35)穿着这些衣服走起路来实在不容易，但我们还是缓缓往火山口的边缘走去，并且向下看到了红红的沸腾的中央。1（学生用书见（学生用书见P P158158）feel ones way 摸索着前行find ones way 找到出路；设法到达lose ones way 迷路fight ones way 打杀出去；奋勇前进push o

18、nes way 推挤着前行force ones way out 挤出去；冲出去wind ones way 蜿蜒前行 The man hesitated， but made his way to the woods.那个人犹豫了一下，但还是朝树林走去。 Without experience on it， we have to feel our way.由于在这方面没有经验，我们必须摸索着前进。 As we got into a forest， we lost our way.进入森林后我们迷路了。 We fought our way through the forest.我们穿过森林前进。var

19、y from.to. 由到不等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. (教材P39)这里地面的高度从海拔700米至2000多米不等，是多种多样稀有动植物的生长地。2 vary in sth. （大小、形状等）不同，有别 vary with 随变化，改变 vary between.and. 从到转变 various adj.各种各样的 varied a

20、dj.各种各样的；变化的 variety n.种种；多样化 a variety of = varieties of 多种多样的(1) (3) (2) Opinions on this matter vary from person to person.对于这件事，人人意见不一。Everyones usual temperature varies with the times of the day.每个人平常体温会随着每天不同的时刻而变化。Everyones usual temperature varies with the times of the day.每个人平常体温会随着每天不同的时刻而

21、变化。 For various reasons， he didnt attend the meeting.因种种原因，他没参加会议。 The girls come from a variety of different backgrounds.姑娘们的出身背景各异。“be about to.when.” 结构，意为“正要/就要这时”I was about to go back to sleep when suddenly my bedroom became as bright as day. （教材P34）我刚要再睡，突然我的卧室亮如白昼。1（学生用书见（学生用书见P P158158）本句型中

22、的“be about to do sth.”意为“正要、就要做某事”，表示即将发生的动作，在时间上指最近的将来，意为“正要；就要”，不与表将来的时间状语连用，但可以与when构成固定句式，其中when为并列连词，意为“就在这时”=and then (at that moment). He was just about to leave when someone called him.他正要离开的时候，有人叫住了他。 The accident happened as the jet was about to take off.喷气式飞机正要起飞时出了事故。when 表示“这时”，还用于以下句型：

23、（1）be+adj./doing.when. 正在这时 I was fast asleep when suddenly my bed began shaking and I heard a strange sound, like a railway train passing my window. 我睡得正熟，这时我的床突然开始摇晃，我听到一个奇怪的响声，就像一列火车经过我的窗口。 He was walking along the sands when he caught sight of a huge footprint.他正沿着沙滩行走，这时突然看见一个巨大的脚印。（2）be on the

24、 point of doing.when. 正要这时 She was on the point of jumping off the building when a policeman came.她正要跳楼，这时来了一名警察。（3）be on the way to.when. 即将这时 He was on the way home when a stranger stopped him.他正在回家的路上，这时一个陌生人拦住了他。（4）had just done.when. 刚这时 I had just gone to bed when the telephone rang.我刚上床正准备睡觉，

25、这时电话响了。it be+过去分词+that从句从句It is said that this boy， who had a great gift for language and persuasion， is the father of the Manchu people. (教材P39)据说这个具有语言天赋和很强的说服力的男孩是满族人的祖先。2在本句型中，it为形式主语，that引导的从句是真正的主语，相当于People say that. 的意思。该句型可转化为sb./sth. is said to be/to do.的形式。 It is said that that strange ol

26、d man is a great artist.That strange old man is said to be a great artist.据说那个怪老头是一位艺术大师。 It is said that a new school has been built in our hometown.A new school is said to have been built in our hometown.据说我们家乡已建起了一所新学校。 It is said that she was the best student in the class.She is said to have bee

27、n the best student in the class.据说她曾是班里最优秀的学生。 It is said he will study/is studying/studied in Holand.= He is said to study/to be studying/to have studied in Holand.据说他要去/正在荷兰学习/在荷兰上过学。此类句型还有：It is believed/hoped/supposed/suggested/learned/thought/considered/reported etc. that. 意为“人们相信/希望/假设/建议/得知/认

28、为/考虑/据报道”。.品句填词品句填词（用所给词的恰当形式或根据语境写一个合适的词）1.Do you allow your son to travel in Europe alone this summer? (absolute) not. 【答案】1.Absolutely2.She then took the little key, and opened it, (tremble), but could not at first see anything plainly, because the windows were shut. 【答案】2.trembling3.It says the

29、objects are about 650 years old and (evaluate) for their provenance(出处) and worth now.【答案】3.are being evaluated4.The fear of all kinds of examinations can be a source of deep (anxious) to many students.【答案】 4.anxiety（学生用书见（学生用书见P P159159）5. (make) his way back to the girl in white, he handed her a g

30、lass and asked her to stroll with him along the lake.【答案】 5.Making6.Although technology has made great progress, yet still there are some problems of (guarantee) people as many as possible benefits from this achievement.【答案】 6.guaranteeing7.In Jakarta, the earthquake caused many tall buildings to sw

31、ay, causing thousands of (panic) office workers to flee onto streets. 【答案】 7.panicked8.She was hit on the head and thus remained (conscious) for several minutes.【答案】 8.unconscious9.Even when the cold winds blow and the world seems to be covered in (fog) shadows, the goodness of life lives on. 【答案】 9

32、.foggy10.They come from different places, and their backgrounds and beliefs reflect their (diverse) of America.【答案】10.diversity.单句改错单句改错（含词汇和本单元的语法）1. She was on the point of continuing her walk, while she caught a glimpse of a gentleman waving at her. 【答案】while when2.Having raised our efficiency, w

33、e decided to expand our business and products at once.【答案】productsproduction3.At present, the entire collection includes 60 such photographs varied from work, leisure, sports, and war-related scenes.【答案】variedvarying4.Being aroused the greatest appreciation, the tourist attraction is raising its adm

34、ission prices.【答案】BeingHaving5.Berry, gave birth to her daughter, Nahla, in March, didnt want to face the widespread questioning on the Internet.【答案】gave前加who 或者gave giving6.How can you face and understand these challenges will determine your stress and anxiety levels throughout this process.【答案】去掉c

35、an7.Having fixed eyes on for several minutes, the little girl felt uncomfortable and her face was red with shame.【答案】fixed前加been8.Having informed of instant departure, Harry waved to us to gather together immediately.【答案】informed前加been9.Burned it to the ground, the house lay in ruins and we lost too many valuables in this fire.【答案】去掉it10.Made our way to the coach, I found many seashells washed out of the sand by the waves. 【答案】MadeMaking / have been studying .课文语法填空课文语法填空 I 1._（appoint） as a volcanologist working for the Hawaiian Volcano Observatory.