内容正文:
Unit 5 Lesson 29
教学目标
1.记忆单词: DNA, blueprint, general, complex, twin, repeat, pattern,identify,related,grandson,granddaughter,instruction
短语in general, except for, be related to, billions of。
2.掌握重点句型:
①In general, a blueprint is a drawing that shows how to put a house together with many different parts.
②But building a living thing is far more complex than building a house.
③You have your own unique DNA, but it repeats patterns from your parents’ DNA.
④From your DNA, scientists can identify not only you, but also people who are related to you.
教学重点
Through learning this lesson ,learn to use the key points related to this lesson
教学难点
Learn talking about DNA
教学过程
一、课前预习—导学
I. Read and do Let`s Do It.(Part One), then finish the following exercises.
完成句子
1.你的数学老师来自哪里?
Where does your math teacher ___ ___?
2.除了窗户小之外,这座房子很漂亮。
The house is beautiful ___ ___ the small windows.
3.莎士比亚不仅是一名作家,还是一名演员。
Shahakespeare was ___ a writer ___ ___ an actor.
4.昨晚他去看电影了,我也去了。
He went to see a film yesterday evening.___ ___ ___.
5.在课文中找出这个问题的答案。
Please find ____ ____ the question in the text.
预习课文,查阅资料,掌握知识点。
二、自学检测------在线测学,质疑思学
在线测学:请你在平台完成以下自学检测作业(Unit 5-Lesson 29自学检测),提交后自己看错题及解析。
单项选择
1.Your story is good ____ the ending.
A.but B.besides
C.except D.except for
2.—Will you fix up the machine according to the ___ , David?
—No problem.
A. instructions B.inventions
C.invitations D.interviews
3.The country spends ____ dollars helping the poor every year.
A.two billion of B.two billions
C.billion of D.billions of
4.“重要的事情说三遍。”can be translated into “Important things must be ____ again and again and again. ”
A.spoken B.repeated
C.described D.introduced
5.—Have you ever heard of Lang Lang?
—Sure. He is one of ____ pianists ____ I have ever seen.
A. good; that B.much better; who
C.the best; which D.the best; that
三、基础达标
1.Would you like to_____(