2021新版北师大版必修第二册英语Unit 5 humansand nature sectionⅱ lesson1 教材讲解.doc

1、Section Lesson 1 1DiscussionLook at the following pictures and discuss the following films about seas.What do you think of them? Choose one of them and tell your classmates. Finding_Nemo_tells_the_story_of_clownfish_Marlin_and_his_only_son_Nemo.Nemo_is _a_clownfish_in_Chinese.In_the_sea,_Marlin_and_

2、Nemo_lead_a_safe_and_quiet_li fe.Like_all_the_fathers,_Marlin_tries_to_protect_his_son_from_being_hurt.But_N emo_is_eager_to_explore_the_reef_(岛礁) One_day,_Nemo_was_captured_by_a_cruel_man.Then_he_put_Nemo_and_many_fish_to_ _a_big_tank.After_the_coward(胆小 的 )_father_knew_it,_he_went_to_rescue_his_so

3、n_and_of_course_all_the_animals_ _in_Barrier_Reef_helped_him_find_his_naughty_son,_Nemo.In_doing_so,_Marlin_ove rcame_his_fear_and_rescued_his_son. 2PredictionLook at the pictures and the titles of the text on Page 30 and predict what the text is probably about. The_text_is_mainly_about_a_sea_story.

4、 1First readingRead the text and match the main idea with each part. Part 1 (Para.1) AThe process of the storyteller fighting against the “Moskoestrom” Part 2 (Paras.24) BThe storyteller survived the “Moskoestrom” Part 3 (Para.5) CSomething terrible happened to the storyteller three years ago. 答案 Pa

5、rt 1 C Part 2 A Part 3 B 2Second readingRead the text carefully and choose the best answer. (1)What made the writers hair change from black to white? AMedicine. BSorrow. CSomething terrible. DThe old age. (2) Which of the following is TRUE according to the passage? AThe moment the storyteller heard

6、the word “Moskoestrom”， he took it for granted. BWhen they were on the edge of the whirlpool, the storyteller felt calmer than when they were moving towards it. CThe storyteller didnt see any other objects in the whirlpool clearly. DThe storyteller made four important observations. (3)What does “All

7、 at once” mean in the second paragraph? ASuddenly. BOnly once. CAt one time. DAt a time. (4)What can we learn from the last paragraph? AThe storyteller made the right decision and he survived. B Soon after the storytellers brother was pulled into the bottom of the whirlpool , the whirlpool became mo

8、re wild. CWhen the storyteller was saved, the fishermen recognised him. DThe fishermen believed the storytellers story. (5)Who didnt save the writer? AThe barrel. BThe writer himself. CSome fishermen. DThe writers brother. 答案 (1)C (2)B (3)A (4)A (5)D 3Third readingRead the text carefully again and t

9、hen fill in the form below. Coming across a powerful whirlpool One day about three years ago，my two brothers and I were coming back from the islands when the sky was covered with dark clouds and in less than a minute we were in a terrible storm. A huge wave covered our boat and we came across“Moskoe

10、 strom！” The process of fighting against“Moskoe strom” With the wind and waves，we were going in the direction of the whirlpool. When we were on the edge of the whirlpool，I felt calmer than when we were moving towards it. When the boat was on the inside of the huge whirlpool we were going round in ci

11、rcles at great speed.I made three important observations So I tied myself to a barrel to help me float.I tried to make my brother understand，but he was too frightened and stayed in the heavy boat. Succeeding in escaping from“Moskoestrom” I made the right decisionIn the end，a boat picked me up.I was

12、saved. 1Group work：What lessons have you learned from the story？Give your reasons. The_most_important_thing_is_to_keep_calm,_never_panic!_Then_remember_the_follo wing_key_points： breathe_deeply,_hold_your_breath_and_quickly_observe_the_surrounding_situation,_ choose_the_general_direction_of_escape.

13、2Thinking：Why did the storyteller survive while his elder brother didnt? The_answer_is_open. 与海洋自然环境相关的名词 1tsunami 海啸 2whirlpool 漩涡 3tide 潮 4wave 浪 5undertow 回头浪 6tempest 风暴 7ground swell 涌浪 8seaquake 海震，海啸 9ice floe 冰川 10iceberg 冰山 11current 洋流 12hurricane 飓风 13tornado 旋风；龙卷风 14cyclone 旋风 15typhoon

14、 台风 16whirlwind 龙卷风 如何解细节排序题 此类试题要求根据原文内容对所发生的多个细节性信息进行排序。此类试题会出现在各种文体中，记叙文 的排序题通常以事件发生的时间为线索，也就是排出什么时间发生了什么事情；说明文中的排序题常以说 明的先后顺序为线索，也就是排出先说明什么后说明什么；议论文中的排序题则以逻辑顺序为线索，比如 解决问题的方法等。 因此，解题时，应仔细阅读题干内容，弄清要求排序的范围，然后带着这一范围回到原文按照文章记叙， 说明或议论的顺序，将特定范围内的细节进行排序。做此类题时，不宜用代入法将四个备选项的细节性信 息一一排序。这样既浪费时间又容易造成急躁心理。 语言

15、现象感知 .单词理解 体会句中加黑单词的词性和含义 1When he looked towards me, I smiled and waved.vi.挥手 2This achievement is unlikely ever to be equalled.vt.比得上 3They refused to recognise that a wrong decision had been made.vt.承认 4I took the tube then the train and came straight here.n.地铁 .词块积累 写出下列词块的含义 1body and soul 身心 2

16、all at once 突然；一瞬间 3in the direction of the whirlpool 朝漩涡的方向 4the power of nature 自然的力量 5make three important observations 做三个重要的观察 6of the same size 同样大小 7as you can see 正如你所看到的 8in the end 最后，终于 9at great speed 全速 .句式欣赏 1where 引导非限制性定语从句 One day, my two brothers and I were coming back from the isl

17、ands where we often risked going and got more fish than others. 2but 连接并列句；when 引导时间状语从句 It may appear strange, but at that moment, when we were on the edge of the whirlpool, I felt calmer than when we were moving towards it. 3and 连接两个 how 引导的并列的宾语从句 I began to think how amazing a thing it was to di

18、e in such a way, and how wonderful it was to see the power of nature. .单词语境记忆根据英汉提示写出单词的适当形式 1At last the writer escaped(逃跑), but his brothers didnt. 2I wish she had survived(幸存) the plane crash. 3The horse that/which was frightened(frighten) ran away from the fire. 4Turning around, she saw her husb

19、and and calmed(镇静下来) down. 5My sister and I were curious (好奇的)children and delighted in finding out all sorts of things. 6It was and, to a large extent(程度), still is a good show. 7It was encouraging that he recognised (意识到)the dangers the company faced. 8In hospital shell be under observation(observ

20、e) all the time. .短语语境填空根据汉语提示写出适当的短语 1Do you remember that time she picked_up(接) my daughter when I was ill? 2I wrote my wish on a piece of cloth and tied_it_to(把它系在) the tree. 3This text is_adapted_from (由改编而来)a story in Chinese literature. 4My garden was_covered_with (覆盖着)so many butterflies that

21、 I could hardly see the flowers. 5The giant panda is_known_as (以著名)a national treasure of China. 6Why are you sitting on_the_edge_of (在的边缘)the building? Its dangerous. .句式语境仿写 1The moment I heard the word I became very frightened. 我一听到这个词就非常害怕。 仿写 他困得很，一上床就睡着了。 He was so sleepy that he fell asleep t

22、he_moment_he_went_to_bed 2.the larger the bodies were, the more rapidly they fell；. 身体越大，下落越快 仿写 汽车的功率越大，就越难驾驭。 The_more_powerful the car, the_more_difficult it is to handle. 3As you can see, the reason why Im here to tell the story is that I made the right decision. 如你所见，我来这里讲故事的原因是我做了正确的决定。 仿写 我们(

23、之)所以没有去，是因为我们得到通知太晚了。 The reason why_we_didnt_go was that_we_were_notified_too_late 记单词 .一言串记形近词 I thought there would be little chance of survival，but luckily, I survived the terrible car crash last week and I was the only survivor of the accident. .词缀法助记派生词 1名词后缀： ation observe (v.) observation (n

24、.) 2形容词后缀：ed frighten (v.) frightened(adj.) .联想记忆近义词 由 calm 想到的 cool adj. 冷静的 quiet adj. 安静的 still adj. 不动的；静止的 silent adj. 沉默的 句型公式 1the moment.名词短语引导时间状语从句 2“the比较级(主语谓语)，the比较级(主语谓语) 3why 引导定语从句；that 引导表语从句 1escape vi. its about learning to dance in the rain.生活 不在于如何从暴风雨中幸存，而在于学会在雨中跳舞。 If he coul

25、dnt find his way out of the forest, there would be little chance of survival.如 果他找不到走出森林的路，他生存的可能性很小。 As far as I know, the old woman survived her husband by ten years. 据我所知，这位老太太比她丈夫多活了十年。 自主发现 A survive B by . A 比 B 活得长 名师提醒 survive 表示“幸免于难”时，是及物动词，其后不需要加介词 in 或 from。 巩固内化 单句语法填空/完成句子 The survivor

26、 of the earthquake often talks about his survival(survive) Survivors_were_rushed_to_hospital (幸存者被紧急送进医院) after the car crash. They did not know how they could survive_the_cold_night (挨过这个寒冷之夜) He survived_his_wife_by_two_years (比他妻子多活了两年) 3frightened adj.受惊的；害怕的 frighten v. 使惊吓；吓唬 frightening adj.令

27、人恐惧的 The moment I heard the word I became very frightened.(教材 P31) 我一听到这个词就非常害怕。 合作探究 体会 frightened 的用法和意义 A cry came from the frightened child.哭声来自受惊的孩子。 She was frightened at what she saw.她对看到的事情感到恐惧。 She was frightened of falling into the swimming pool.她害怕掉进游泳池。 I am frightened to go out alone at

28、 night.我不敢晚上一个人出去。 自主发现 be frightened at 对感到恐惧 be frightened of doing sth 害怕做某事 be frightened to_do sth 不敢做某事 巩固内化 完成句子 I was_frightened_at the sight of the snake. 看到那条蛇时我被吓坏了。 I was_frightened_of_hearing barks of the fierce dog. 听到那只凶猛的狗的叫声我吓坏了。 He was_frightened_to_look_down from the top of the ta

29、ll building. 他不敢从那座高楼顶上往下看。 4.curious adj.好奇的 curiosity n. 好奇；好奇心 After a while, I became curious about the whirlpool itself.(教材 P31) 过了一会儿，我对漩涡本身产生了好奇。 合作探究 体会 curious 的用法和意义 If a boy is curious, he is always asking questions. 一个好奇的孩子总是要不断地提出问题。 The boy is curious about everything. 这个男孩对任何事情都很好奇。 S

30、he is curious to know what happens. 她好奇地要知道发生了什么事。 自主发现 be curious about 对感到好奇 be curious _to_do. 好奇做 巩固内化 单句语法填空 As a little boy, he was curious about the origin of mankind. Hes curious_to_know (know) what she said. Curiosity(curious) drove him into the cave to see what happened. 5equal adj.相等的；相同的

31、 n同等的人；相等物 equality n平等，相等 .the second, between two objects of equal extent，round objects fell down less rapidly.(教 材 P31) 第二，在两个相同大小的物体之间，圆形物体下降得不太快 合作探究 体会 equal 的用法和意义 Not all men are equal in ability.人的能力不全一样。 Im not equal to (doing) the task.我不能胜任这项任务。 He is my equal in strength.他和我力气一样大。 No on

32、e equals him in spelling.在拼写方面，无人能和他相比。 自主发现 be equal to (doing) sth 能胜任(做)某事 be equal in sth 在某方面相同 equal sb in 在某方面与某人匹配 思考 表示“胜任”的其他常见表达还有哪些？ be_up_to be_fit_for be_qualified_for 巩固内化 (1)单句语法填空 A pound is roughly equal to 500 grams. He doesnt seem equal to doing (do) the task. Two plus two equals

33、 (equal) four. (2)同义句转换 The manager isnt fit for his position. The manager isnt equal_to his position. Twice three equals six. Twice three is_equal_to six. pick up 捡起；学会；结识；用车接；好转；恢复；收听；购买 In the end, a boat picked me up.(教材 P31)最后，一艘船把我救了起来。 短语记牢 记牢下列短语 pick out 挑出，辨别出 pick ones pocket 扒窃 pick on s

34、b 对某人刁难挑剔 He has picked up slowly since he came out of hospital. 他自出院以来，身体慢慢地康复了。 He gets picked on by the other boys because hes so small. 他因为个子小受到其他男孩子的欺负。 She was picked out for the job.她被挑选出来做这份工作。 巩固内化 写出下列句中 pick up 的含义 I was able to pick you up on the short wave radio.收听到 Ill pick you up at t

35、he school gate.用车接 He picked up the book from the floor.拾起，捡起 The children have picked up the local accent.学会 1I felt sick，as if I was falling from a mountain top in a dream.(教材 P31) 我觉得恶心，好像我在梦中从山顶上摔下来。 句式解读 句中 as if 意为“好像，似乎”，引导方式状语从句，可由 as though 代替。 用法总结 (1)as if 在 seem，look 等系动词后可引导表语从句。 It see

36、ms as if the boy has lost his way. 那个男孩好像迷路了。(陈述语气) (2)as if 引导的从句有语气上的变化： 1as if 从句用陈述语气的情况： 当说话者认为句子所述的是真实的或极有可能发生或存在的事实时。 2as if 从句用虚拟语气的情况： 当说话人认为句子所述的是不真实的或极少有可能发生或存在情况时，从句用虚拟语气，其形式如下： a如果从句表示与现在事实相反，谓语动词用一般过去时。 b如果从句表示与过去事实相反，谓语动词用“had过去分词”。 c如果从句表示与将来事实相反，谓语动词用“would/could/might动词原形”。 She tre

37、ated her husband as if/though he were a stranger. 她待她丈夫如陌生人。(虚拟语气) She talks and talks as if she would never stop. 她说了又说，好像永远停不下来。(虚拟语气) 巩固内化 (1)单句语法填空 The young man with long hair looks as if he were a girl. He acted as though he had_known(know)nothing about it. (2)翻译句子 看起来她好像有点不高兴。 It_looks_as_if_

38、she_is_a_little_unhappy. 他张开口，像是要说话。 He_opened_his_mouth_as_if_(he_was_going)_to_speak. He dressed himself as if he were a strange being from another planet. 他打扮得像来自其他星球的奇异生物。 2.the larger the bodies were, the more rapidly they fell；.(教材 P31)身体越大，下落 越快 句式解读 “the比较级， the比较级”表示“越就越” 。 用法总结 (1)第一个“the比

39、较级”是条件状语从句，第二个“the比较级”是主句。如果第二个“the 比较级”用一般将来时，则第一个“the比较级”通常用一般现在时代替将来时。 (2)这个句型表示从句和主句的变化是同时进行的，即：主句的情况随着从句的情况而变化。两个“the 比较级”要分别放在两个句子的主谓结构之前，两句之间可以用逗号隔开。当意思很明白时，两句常 采用省略形式。 The more you talk, the less attention he will pay to you. 你说得越多，他越不注意听你讲。 The more he eats, the fatter he gets.他吃得越多就变得越胖。 T

40、he less you worry, the better results you will get in the examination. 你越放松，考试的成绩就会越好。 The sooner, the better.越快越好。 巩固内化 单句语法填空/完成句子 The more we do for the people, the happier (happy) we will feel. The longer the war lasts (last), the more the people there will suffer. The more she learns，the_more_s

41、he_wants_to_learn 她越学越想学。 The_more_English_you_practise，the better your English will be. 你练习英语越多，你的英语就越好。 .课文语法填空 About three years ago, the storyteller experienced a horrible storm, 1.which had broken his body and soul. One day, he was out fishing around some islands with his two brothers when the

42、sky 2.was_covered(cover) with clouds.They were in a terrible storm in less than a minute.His 3.younger(young) brother fell into the sea.He and his elder brother were pushed 4.in the direction of the whirlpool and went round and round it.The storyteller felt sick, as if he was falling from 5.a_mounta

43、in top in a dream.It may appear strange, but at that moment, when they were on the edge of the whirlpool, he felt calmer than when they were moving towards it.After a while, he made three important 6.observations(observe).7.Based(base) on what he had found, he tied 8.himself_(he)to a barrel，which he

44、lped him to float.Although he tried to make his elder brother understand that he should do the same, his brother was too 9.frightened(frighten) and stayed in the heavy boat.10.Finally(final), the storyteller was saved. .根据提示完成课堂小作文 天气很好，这就是我们决定去参观一座古老的寺庙的原因( Thats the reason why.)。一大早，我们 就朝寺庙的方向(in

45、the direction of)出发。 我们一到达(the moment)， 就了解到这座寺庙经历了(survive) 一场可怕(horrible)的大地震。当我们正在欣赏寺庙的美丽时，突然(all at once)我们听到一声可怕的 尖叫声。一名受惊吓的(frightened)游客掉到一条很深的河里，我立即把他救起来(pick up)并设法把他 送到医院。尽管我不能好好欣赏一下寺庙，但这对我很有意义。 The_weather_was_good.Thats_the_reason_why_we_decided_to_visit_an_old_temple. Early_in_the_morni

46、ng,_we_set_out_in_the_direction_ of_the_temple.The_moment_we_arrived,_we_learned_that_the_temple_had_survived_a _horrible_earthquake.While_we_were_enjoying_the_beauty_of_the_temple,_all_at_o nce_we_heard_a_terrible_scream.A_frightened_tourist_fell_into_a_deep_river.I_i mmediately_picked_him_up_ and_

47、managed_to_take_him_to_the_hospital.Although_I_cant_enjoy_ the_temple,_it_means_a_lot_to_me. 关系副词引导的定语从句 合作探究 阅读下列句子，体会定语从句的用法。 But it was also a time when there were many great philosophers. Ancient China was a place where states were often at war with each other. Do you know the reason why he has

48、been late? 自主发现 1 句中黑体部分的引导词是关系副词，分别在定语从句中充当时间、地点、原因状语。 1when 引导的定语从句 合作探究 I still remember the day when we met for the first time. 我仍然记得我们第一次相遇的那一天。 It was an exciting moment for the Spanish fans，when for the first time their team won the World Cup. 对于西班牙球迷来说，那是一个激动人心的时刻，因为在那一刻，他们的球队第一次赢得了世界杯。 自主发现 2 先行词是指时间的名词，如：time, day, year, month, moment, week, hour, minute 等，when 在从句 中作时间状语。 2where 引导的定语从句 合作探究 After living in Paris for fifty years he returned to the small town where he grew up as a child. 在巴黎生活了 50 年后，他回到了儿时成长的那个小镇。 She is teaching at the university where her moth