外研版（2019）必修 第一册Unit 5 Into the wild Starting out & understanding ideas 教学设计

Unit 5 Into the wild Starting out & understanding ideas
教学目标
1.学生通过两两互查，能识记掌握本文相关的词汇和短语；
2.学生通过自主学习、合作交流，能熟知文章结构，并且可以精准获取文章细节性信息，从而提高学生的阅读理解能力和分析文本能力；
3.学生通过合作交流，能够了解保护帝王蝶的必要性以及具体措施，进一步激发和提高学生的环保意识。
教学重点：
1. Lead the students to understand the author's intention.
2. Have a clear picture of the structure and inner logical relation of the passage.
教学难点：
1. Lead the students to comb the detailed information.
2.Guide the students to finish the task of speaking about how to protect the environment at the end of the class.
教学过程
Step 1: lead-in
1)Make a greeting
2)teacher let students enjoy a video about monarch migration
Step 2: words and expressions
The teacher asks the students to work in pairs to check if they have mastered the relevant words and expressions.
Step 3: while reading
1.Fast-reading: Match the main idea of each part.
Part1(para1) A. Measures to protect the monarch butterfly
Part2 (para2-3) B. Monarch’s trouble and causes
Part 3(para4) C. Definition about migration
Part 4(para5) D. Introduce Monarch’s migration
2.Careful-reading:
Activity1 Read Paragraph 1 carefully and answer the following questions.
1.What 's the migration
_______________________________________________________________
2.Why do the animals migrate
______________________________________________________________
______________________________________________________________
Activity 2 Read Paragraph 2 carefully and answer the following questions.
1.When do the monarch butterflies migrate
_______________________________________________________________
2.Where do the monarch butterflies migrate
______________________________________________________________
3.How long distance do the monarch butterflies migrate
_____________________________________________________________
Activity 3 Read Paragraph 3 carefully and finish the following tasks.
1.How did they migrate
________________________________________________________________
2.Read paragraph 3 again and fill in blanks to complete the “cause-effect” flow chart(因果流程图）.
a. The monarch butterfly is able to tell___________________.
b. Using these two pieces of information, the monarch butterfly determines _____________.
c. The monarch butterfly measures ____________________with its eyes.
d. The monarch butterfly reaches __________________________________.
Activity 4 Read Paragraph 4 carefully and finish the following tasks.
1.What caused the monarch butterflies to crash
________________________________________________________________
2.Read paragraph 4 again and fill in blanks to complete the “cause-effect” flow chart(因果流程图).
e. Humans ____ trees.
f. The _____________where monarch can be found is destroyed.
g. Humans use chemicals that __________ that monarch caterpillars eat.
h. The monarch butterfly’s population _________ in the last few years.
Activity 5 Read Paragraph 5 carefully and answer the question.
What are the measures to protect the monarch butterfly
__________________________________________________________________
Activity 6 Choose where you are mostly likely to find the passage.
1. In a scientific research paper about the monarch butterfly's migration.
2. In a popular nature magazine introducing the monarch butterfly.
3. In a travel leaflet（传单）encouraging people to visit North America.
Step 4: Post-reading
Think and share
Work in groups and answer the question.
What can people do to help protect the monarch butterfly
_________________________________________________________________
_________________________________________________________________
Step 5: Homework
1.Finish the relevant exercises on the operation card
2.Search for more information about animal migration on the Internet.