重点词汇:salty, sweet, sour, crispy, pleasant, potato chips, slipper, leaf, fire, scoop, light bulb, microwave oven, abacus, camera, beverage, be invented by, be used for, by mistake, by accident
重点句型:When was the telephone invented? I think it was invented in 1876.
技能目标
能够谈论发明的历史和用途
能够对生活中的发明发表自己的看法
能够解决生活问题,设计新发明
情感目标
充满想象力,善于观察事物
面对难题,用积极的态度解决,发挥创造能力
认识世界,改造世界
三、重点难点
重点
讨论重要发明的时间、发明者和用途,学习使用句型"When was the telephone invented?","Who was it/were they invented by?","What is it/are they used for?"和答语。
难点
如何描述一项新发明的来历和用途
四、课前准备老师准备
"大百宝箱"(由中等大小的盒子、彩纸等DIY而成),flashcards;
a package of potato chips, some bars of chocolate.
Step 1. Lead in: 通过讨论下面的问题,引出本节课的大任务。吸引学生,激发其学习兴趣,提高学生作为学习主体课堂参与意识。
列一个目录在黑板
1. How often do you exercise ?
2. How often do you eat vegetables?
3. How often do you eat fruit ?
4. How many hours do you sleep every night ?
5. How often do you drink milk ?
6. How often do you eat junk food ?
7. How often do you drink coffee ?
Step 2.Revision 让学生先以小组的形式复习section A 和section B的内容,使用大脑风暴法(让学生brainstorm)说出一些食物名称和healthy 有关的单词短语和句子,目的是激活学生头脑中和写作话题keep healthy 相关的东西来酝酿写作的思路,以便写作时能选择有意义的东西。
同时通过PPT出示一些good habits or bad habits及一些建议的短语:
Taking a walk after meals. Taking a walk after meals. Drinking enough water every day. Washing hands before meals Eating too much meat. Going to bed late and getting up late.
Throwing litter around.
Going to school without breakfast Problems: unhealthy Advice
1. should eat a lot of vegetables
2. should eat a lot of fruits
3. can drink milk every day
4. don’t drink coffee
5. shouldn’t eat junk food
6.exercise every day
7.should have eight hours’ sleep
8.don’t play computer games or watch TV too much
Step3. 展示作文题目,指导学生如何谋篇布局,规划文章结构,起草文章,组织语言。
请根据课文所给的关于饮食和运动的信息提示, 以 " How to keep healthy" 为题写一篇70个词左右的短文。
Students should understand the meaning of reading, master useful expressions and learn more about the present perfect tense.
Language Focus:
Useful topic: Surfing, beaches; useful expressions: have been, never, ever, no matter how, neither nor, etc; and other reading skills.
Properties:
Tape recorder, topic cards, answer sheet, etc.
Teaching Procedures:
I. Revision
Revise the Present Perfect tense, do the exercise 2 on page 97, ask students answer the questions one by one.
II. Pre-reading
There are many kinds of water sports, such as swimming, paddling, Boogie-boarding, and dragon boat race in China. What water sports have you watch? What kind of water sport you like best, why?
III. While-reading
Before first listening of Surfing, read the questions of exercises 1 on page 98. Prepare their answer sheet. Ask the students bring these questions to listen the tape or video first time. Write their answer if possible.
Then play the tape or video once again, ask the students check their answers. And then let them try to give the main sentence of this reading.
Open the textbook, turn to page 7. Let Ss find the new words and useful expressions in five parts (each part for each paragraph). Ask them give correct explanation. Make sure everyone is on task. While working, teacher go around the classroom and give help where need. Then show the answers of them. Teacher explains the main sentences, such as Now it is enjoyed by people all over the world; Its neither too hot nor too cold all the year round; etc.
IV. After-reading
Discussing in four parts, talk about San Francisco, Honolulu, Hawaii, Hainan island. After discussion Ss should give Where is it, What it famous for, What water sport are there, etc.
V. Homework
1. Finish exercises 2 on page 98.
2. Revise the new words, useful expression and sentences