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Unit 6 When was it invented？（第4课时）
【学习目标】1.知识与技能目标：掌握单词、短语和句型。2. 过程与方法：通过对短文的阅读和复述，培养及时记忆的能力。3.情感、态度和价值观目标：展开想象的翅膀，谈谈自己的创造发明，培养未来发明家。
【自主梳理】勾画出文中的疑难点，然后再读教材进行填空。 15分钟独立完成。学习建议;迅速浏览课文，跳过生词，捕捉关键信息，把握文章主题，完威阅读题目。
【重点领悟】Passive Voice and the history of the basketball.
【探究提升】本课时的主要内容是一篇关于篮球发展历史的短文，
在学习短文之前教师可准备几个与短文内容相关的问题，然后邀请几位同学就提出的问题给出自己的答案或见解。
Questions: Do you like basketball?
Do you watch basketball game?
How much do you know about this sports?
2. 进行短文学习之前，教师要准备几个有助于理解短文内容的问题。
要求学生带着问题去阅读短文。在阅读完短文之后应该能回答所给出的问题。
1.How old is the sport of basketball?
It's a little over 100 years old.
2.When was it invented? It was invented in 1861.
3.When was the first basketball game in history played?
On December 21st, 1891.
4.Why were the Berlin Olympics important for basketball?
Because it became an Olympic event in Berlin.
5.What do many Chinese play basketball for?
They play it for fun and exercise.
【学法引领】通过带着问题去学习短文，从而达到导入新课的目的，同时也可以使学生积极反思自己的学习生活，与以前的生活作比较，
科学安排好自己的学习时间。要求学生快速默读短文，熟知大意，并找出各段的主题 大意。然后邀请几位同学给出自己的答案，全班一起检查讨论。
【巩固训练】
根据句意及首字母提示完成单词。
1. These people were d_____ into two groups according to their ages.
2. Look, a few pear r_____ on the trees. Let’s pick them.
3. It’s said that the potato chips were invented by m____.
4. The hot weather made the milk s____.
5. My grandparents often goes shopping with a b____ (篮子).
The keys :1. divided ;2. remain; 3. mistake; 4. sour ;5. basket
【知识网络】It is believed that the first basketball game in history was played on December 21st, 1891.
人们认为1891年12月21日是历史上的第一次篮球比赛的日子。
本句中的It is believed that... 相当于people believe that...
是“人们相信/认为“的意思，that引导的是主语从句。
It is believed that by the year 2010, the population of the world will be seven billion.(=People believe that by the year 2010, the population of the world will be seven billion.)
人们都认为到2010年，世界人口将达到七十亿。
【横向辐射】类似的结构：
It is reported that… 据报道„„
It is supposed/thought that… 人们认为„„
It’s known that…众所周知„„
【学习反思】本课主要话题是谈论篮球的历史。主要练习被动语态的句式用法。难度较大，但是学生们对发明话题很感兴趣，所以学习积极性很高。
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