人教版英语八年级上册 Unit 2 How often do you exercise?Section B(2a-2e）教案

第四课时　Section B (2a～2e)
【学习目标】
1．学生能掌握本课时的核心重点单词和短语，读懂介绍别人课余活动的文章。
2．学生能根据所学内容，用英语口头表达自己的课余生活。
3．学生能通过开展小组活动学习，掌握阅读方法，提升自己的阅读技能。
【学习重点】
学会并掌握阅读技巧，掌握not…at all等重点短语的用法。
【学习难点】
通过阅读训练和交流，了解如何描述自己的生活习惯
Learning action tips：
This is an article about a survey of daily life. Teacher can prepare a few questions, then invite some students to answer these questions.
Task 1
Learning action tips：Preview the words on Page13－14 in the word list.Students read the words by phonetic symbols, then underline new words in 2b and mark the Chinese meaning.
【Method coach】
▲percent的用法
作名词，意为“百分之……”，无复数形式。
注意：当“数词＋percent＋of＋限定词＋名词”作主语时，谓语动词的数要根据其后面的名词来确定。
【导练】
(1)Fifty percent of the apples are (be)bad.
(2)Twenty percent of the meat is (be)in the fridge.
▲although与through的用法
(1)although作连词，意为“尽管，虽然；即使”。
注意：although引导的从句不能与but连用。
情景导入　生成问题
1．T：What do you usually do in your free time
S：________________________________________________________________________
2．T：What activities do you think is good for the mind and the body
S：________________________________________________________________________
自学互研　生成能力
Task 1　Let's read the new words and the phrases.
1．I can read.(我会读)
percent，online，television，although，body，through，mind，together，die，writer
2．I can write.(我会写)
翻译下列短语。
(1)在某人的空闲时间in__one’s__free__time
(2)上网go__online
(3)一周一到三次one__to__three__times__a__week
(4)我们问题的答案the__answers__to__our__questions
(5)例如such__as
3．I can understand.(我会理解)
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)The__answers__to our questions about watching television were also interesting.
对我们提出的有关看电视的问题的回答很有意思。
(2)It__is__healthy__for the mind and the body.
锻炼有益于身心健康。
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。
Task 2　Read 2b and get the main idea of the passage.
1．Fast reading.(快读)
(1)阅读2b，回答问题。
①How many kinds of free time activities are mentioned(提到)in the passage
Three.
②What is the best way to relax
The__best__way__to__relax__is__through__exercise.
(2)完成Page14：2b饼状图。
　　(2)through作介词，课文中意为“以，凭借”，此外还有“穿过”之意，表示“从……内部穿过”。
【导练】
(1)They went through the forest yesterday.
(2)Although he left home early，he was late.
▲not…at all
意为“一点也不”，not应和be动词、助动词或情态动词连用。如：
The story isn’t interesting at all.那个故事一点也不有趣。
▲take，spend，pay，cost的用法
(1)take构成的句型为：It takes sb.some time to do sth.(it为形式主语)。
(2)spend一般以人作主语：sb.spend…on sth./(in)doing sth.。
(3)pay一般以人作主语，常与for连用。
(4)cost常以“物”作主语：sth.cost (sb)money。
▲such as
意为“像……这样”，表示列举。
结构常为：“名词＋such as＋例子”，一般列举同类人或事物中的几个。
注意：其后面不可列举出所有的事物。
Task 2
Learning action tips：
1．Fast reading.①Students read the passage quickly, know the main idea well and finish the task in 2b.②Students try to translate the difficult sentences in the passage.
2．Careful reading.①Stu dents read the passage carefully, then answer the questions in 2c after reading.②Finish the task in 2d.
3．Retell. Students sort out the main points and try to retell the story.2.Careful reading.(细读)
(1)细读文章，回答2c中的问题。
(2)根据教材2b的数据，让学生用always，usually及sometimes造句，完成2d。
3．I can retell.(我会复述)
你能写下文章的要点，并根据它们进行复述吗？大胆挑战下自我吧！请在黑板上板书这些要点。
________________________________________________________________________
________________________________________________________________________
Task 3　Finish 2e.
调查同学的课余生活，完成表格并尝试课后将其做成饼状图。
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 blackboard.
Task 2：First the students discuss and check the answers in Task 2 in groups, then use different reading methods to understand the text ，discuss and translate the key paragraphs and 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 to the pronunciation of “although” and “through”；(2)Consolidate the words by word games.
2．I can write.(1)Translate the phrases and sentences into English or Chinese by answering quickly；(2)Read together；(3)Spot test：consolidate the usage of the phrases by making sentences or translating.
3．I can understand.(1)Help students translate key sentences according to the phrases in“I can write”；(2)Explain with the phrases in Method coach, then consolidate with guided training and check the answers by answer quickly.
Task 2：1.Fast reading.(1)Read the passage quickly and understand the main idea；(2)Answer questions by spotting test.
2．Careful reading.(1)Read the passage with the questions，then answer them in details；(2)Read the passage again，use the information to finish the dialogues；(3)Spot test according to the dialogues.
3．I can retell. Sort out the key points of the text on the blackboard, and try to retell the text in English，choose the high level students to set examples, then retell together after 2 minutes.
当堂演练　达成目标
根据句意及首字母提示填写单词。
1．What would you like to drink，milk or coffee
2．My grandfather exercises every day，so he is healthy．
3．Kathy came to school yesterday although she was ill.
4．The moonlight goes through(穿出)the window and makes the room bright.
5．70 percent (百分之)of the students in my class watch TV every day.
课后反思　查漏补缺
收获：________________________________________________________________________
存在困惑：________________________________________________________________________