九年级英语上册Unit9教案

　　杨寨中学初四英语 学科教学设计
　　课题
　　unit9 sectionb
　　课型
　　new
　　环节
　　教 学 内 容
　　教 法 学 法
　　二次备课
　　教
　　学
　　目
　　标
　　aim1 掌握比较等级的表达法, 运用比较级来描述身边的事情。
　　aim2 了解一些自然灾害的基本知识并学会保护自己。
　　认
　　定
　　目
　　标
　　自
　　主
　　学
　　习
　　aim1 掌握比较等级的表达法, 运用比较级来描述身边的事情。
　　three times as strong as
　　ten centimeters longer than
　　a is three times as strong as b
　　a is not nearly as strong as b
　　a is more than ten times bigger than b
　　aim2 了解一些自然灾害的基本知识并学会保护自己。
　　war, flood, pollution, natural, desert, earthquake,
　　be lack of water
　　from bad to worse
　　prevent… from…
　　be filled with
　　learn by themselves:
　　a is three times as strong as b
　　a is not nearly as strong as b
　　a is more than ten times bigger than b
　　flood is one of the biggest problems in the world.
　　ask the students to read the aims together, make sure they can grasp the aims.
　　give them five minutes to learn the language focus by themselves.
　　教学
　　重点
　　aim1 掌握比较等级的表达法, 运用比较级来描述身边的事情。
　　教学
　　难点
　　aim2 了解一些自然灾害的基本知识并学会保护自己。
　　环节
　　教 学 内 容
　　教 法 学 法
　　二次备课
　　导
　　入
　　新
　　课
　　present:
　　war, flood, pollution, natural, desert, earthquake,
　　be lack of water
　　we’ll focus on the factors that threaten human being.
　　预
　　习
　　展
　　示
　　three times as strong as
　　ten centimeters longer than
　　a little more
　　from bad to worse
　　prevent… from…
　　be filled with
　　choose each student from the groups to write down the phrases.
　　环节
　　教 学 内 容
　　教 法 学 法
　　二次备课
　　作
　　业
　　设
　　计
　　exercise1. translate the following phrases.
　　exercises2. recite the important sentences and translate the sentences.
　　exercises3. find information about one and write an article for a news magazine. use at least two comparisons.
　　合
　　作
　　探
　　究
　　当
　　堂
　　达
　　标
　　1. soldiers worked hard to save people, and tried to prevent the water from rising higher by using bags filled wih sand.
　　动词不定式的用法
　　prevent…. from ….
　　2. the longer people waited for help, the more dangerous the situation
　　the+ 比较级， the +比较级
　　translate the sentences.
　　1. 这条河的长度是那条河的三倍。
　　2. 大象比海龟几乎长五倍。
　　3. 这座房子比你的房子大两倍。
　　discuss the language focus
　　and give some examples. if necessary, give them some help.
　　板
　　书
　　设
　　计
　　unit9 sectionb
　　three times as strong as a is three times as strong as b
　　ten centimeters longer than a is not nearly as strong as b
　　a little more a is more than ten times bigger than b
　　from bad to worse
　　prevent… from…
　　be filled with
　　教学
　　反思
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