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1、第四课时Section B (2a2e)【学习目标】1学生能掌握本课时的重点单词和短语，读懂文章，了解未来机器人的发展趋势。2通过让学生看文章标题和插图预测大意，通过让学生概括段落大意，加强对篇章的整体理解。3指导学生通过开展小组学习活动，掌握阅读方法，提升学生的阅读技能。【学习重点】让学生学会阅读方法，提升其阅读能力。来源:学优高考网【学习难点】能够运用本课时的核心句型，想象和预测未来社会发展。Learning action tips：1Work in groups. Tell your partner what you know about robots. What do they loo
2、k like and what can they do?2Ask some students to describe the robots they know.Task 1Learning action tips：Preview the words on Page5354 in the words list. Students read the words by phonetic symbols, then underline new words in 2b and mark the Chinese meaning.【Method coach】hundred, thousand(千)，mill
3、ion(百万)表示不确切的数目时，在词尾加s，且和of连用，如：hundreds of, thousands of, millions of 分别表示“数百”，“数千”，“数百万”。当这些词有数词或several，some等修饰词时则不加s，也不跟介词of连用，直接跟名，如：some hundred, several thousand；three million。【导练】( A )There are _ of students in our school, but only _ of them are girls.Ahundreds; two hundredBhundred; two hund
4、redsChundreds; two hundredsDhundred; two hundredbe able up和can的用法(1)表示能力时，两者用法相同。情景导入生成问题1What do the robots look like?_2What will they do in the future?_自学互研生成能力Task 1Lets read the new words and the phrases.1I can read.(我会读)even, human, servant, dangerous, already, factory, believe, disagree, shape
5、, fall, possible, impossible, side2I can write.(我会写)翻译下列短语：(1)human servants人类的仆人(2)帮忙做家务help_with_the_housework(3)制造汽车build_cars(4)反复地over_and_over_again(5)感到厌烦get_bored(6)看起来像人类 look_like_humans(7)比如for_example(8)不同意某人disagree_with_sb(9)几百年 hundreds_of_years(10)倒塌，落下 fall_down(11)似乎不可能 seem_imposs
6、ible(12)从某方面来说at_some_point3I can understand.(我会理解)来源:gkstk.Com请尝试翻译以下课文中的句子。(特别注意画线部分的单词)(1)They help with the housework and do jobs like working in dirty or dangerous places.他们帮助做家务并且做一些像在肮脏或危险的地方干活之类的工作。(2)Today there are already robots working in factories现在已经有在工厂里工作的机器人了。(3)Scientists are now t
7、rying to make robots look like humans and do_the_same things as we do.科学家们正在努力使机器人更像人类并且能做与我们一样的事情。(4)However, they agree it may take hundreds_of years._然而，他们承认这可能会花费数百年时间。(5)If buildings fall_down with people inside,_these snake robots can help look_for people under the buildings._如果里面有人的建筑物突然倒塌，这些
8、蛇形机器人就能帮助寻找建筑物下的人。你还有不太懂的句子吗？请把它们写下来，并在组内讨论时翻译成中文。(2)can只有两种时态，即can和could；而be able to有多种时态。(3)表示过去通过努力终于做成了某事要用be able to。(4)can能表推测，用于疑问句和否定句中，而be able to 不行。(5)can可以表示“允许”，与may互换，此时不能用be able to。【导练】(1)两年后你将能够学另一门外语。You will_be_able_to learn another foreign language in two years.(2)我希望能和你一起去钓鱼。I h
9、ope to _be_able_to go fishing with you.(3)现在金先生不可能在家。Mr. King cant be at home now.(4)我一定能说好英语。 I must be_able_to speak English well.There is/aresb./sth/doing sth.表示“有某人/某物在做某事”。【导练】(C) There will be robots _ with us in the future.AtalkBwill talkCtalking DtalkedTask 2来源:学优高考网Learning action tips：1Fas
10、t reading.Students read the passage quickly，know the main idea well and finish the tasks in 2b，2c.Students try translating the difficult sentences in the passage.2Careful reading.Students read the passage carefully，then answer the questions after reading.Finish the task in 2d.3Retell. Students sort
11、out the main points and retell the text according to 2d, at last talk about the predictions to the robots in the future with 2e.Task 3Learning action tips：Students discuss the shape and function of the robot in the future in groups, finish the passage in 2e, at last, choose a few better passages to
12、show in class.Task 2Read 2b and get the main idea of the passage.1Fast reading.(快读)(1)请完成2b，将段落与每段讨论的问题搭配起来。(2)请完成2c中的句子。2Careful reading.(细读)3I can retell.(我会复述)你能写出文章的要点，并根据它们进行复述吗？大胆挑战一下自我吧！Task 3Finish 2e.来源:gkstk.Com你认为未来的机器人可能会像什么动物？他们又将能做什么呢？快来描述一下吧。你可以这样开始：I think some future robots might lo
13、ok like They will交流展示生成新知Preshow：Show in groups. (Time：six minutes)Task 1: First read the words and phrases in groups，then read together and sum up the usage of the words in groups，mark the difficult words in pronunciation and understanding(students can ask teacher for help)At last，write them on the
14、 blackboard.Task 2: First discuss and check the answers of Task 2 in groups，use different reading methods to understand the text，then translate the key sentences. At last，write them on the blackboard.Promotion show：Class show. (Time: sixteen minutes)Task 1：1.I can read.(1)Read together，pay attention
15、 to the pronunciation of “possible”，“impossible” and “dangerous”；(2)Consolidate the words by translating and spelling.2I can write.(1)Translate the phrases into English or Chinese by answering quickly；(2)Read together；(3)Spot test：consolidate the usage of the phrases by making sentences.3I can understand.(1)Help stud
