内容正文:
Unit 4 Life on Mars
Task
设计说明
由回答四个问题引入本课节,学生通过积极的思考与讨论,既复习了之前所学知识, 也为本课节的教学做好了铺垫。通过向学生解释说明62页A部分的语境,让学生快速找到自己所需信息并分析文章结构。通过蛛网图让学生将不同的话题协调地组织在一起。通过从服装、食物、住房、交通四个方面对要点进行梳理,让学生初步了解蛛网图的结构,既锻炼了学生分类整理信息的能力,又帮助学生更好地理解这些信息,为接下来的学习任务扫清障碍。通过完成各种学习任务,使学生掌握运用蛛网图来组织自己观点并完成写作的方法。
教学目标
通过本课节的教学,让学生达成以下目标:
1.知识目标
掌握单词:electronic
2.能力目标
(1)完成一份蛛网图;
(2)学会用蛛网图组织话题;
(3)能用蛛网图中的信息补全草稿。
3.情感目标
通过蛛网图锻炼思维, 注意组织观点的条理性。
重点难点
1.重点:掌握用蛛网图组织不同的话题并完成一份蛛网图的方法。
2.难点:完成一篇在另一个星球上生活的指南。
教学准备
PPT 课件;相关图片
授课时数
1 课时
教学过程
Step 1 Lead-in
Ask the students to say something about the Earth and Mars.
T: Can you tell me the differences between our Earth and Mars?
S: There isn’t enough water or oxygen on Mars. There is less gravity. However, there is more space for people.
T: If there isn’t enough water or oxygen on Mars, what would life be like?
S1: Plants wouldn’t grow.
S2: People would have to eat dried food.
S3: Food would be in the form of pills and would not be so tasty.
S4: Oxygen would be provided at home.
T: If there is less gravity, what would life be like?
S1: People would have to wear special boots to prevent them from floating off
into space.
S2: They would need sleeping bags to keep them in place while sleeping.
S3: Everything would float in the air.
T: If there is more space, what would life be like?
S1: Humans would live in houses with huge comfortable rooms.
S2: Traffic would not be so heavy.
S3: Humans would have more time and places to relax themselves.
Step 2 Presentation
1. Read and complete the spidergram.
Daniel is making a guide to living on Mars in the future. First, help him complete the spidergram below to organize his ideas. Write the correct letters in the blanks.
Answers: (1)f (2)b (3)e (4)h (5)d (6)g (7)a (8)c
2. Make sentences with the information in the spidergram.
Ask the students to read the spidergram and get more information.
T:Can you tell me something about money on Mars?
S1:Money on Mars is electronic.
S2:It is stored in the Planet Mars Bank