外研版 (2019)选择性必修 第四册Unit 5 Into the unknown获奖教案

Unit 5  Into the unknown

Period 2  Using language

 (教学设计)

( Teaching material analysis)

In the grammar item, students will be guided to review noun clauses. Through making noun clauses and talking about the disappearance of dinosaurs, students are expected to further improve the ability to use the noun sentences in real context.

In the vocabulary learning part, a passage covers the way people react instinctively in the face of the unknown. Useful expression swill help students think and voice their opinions on how to manage finances and maintain a good social credit record.

    Another main activity is to train the integrated skills of listening and speaking. Some facts and data about the human brain are presented in the interview, which focuses on sleep-related mysteries the scientists have done research on.  

(Teaching objectives & Core Competencies and Values for students)

1. Lead the students to summarize the types and functions of noun clauses and correctly use them in the real context.

2. Lead the students to learn useful words and expressions related with exploring the unknown after reading the passage about reaction in face of the unknown . 

3. Help the students further develop the integrated skills of listening and speaking in English.

4. Lead the students effectively express themselves about the investigations into scientific mystery using the useful expressions learned in this period.

(Teaching focuses)

1. Guide the students to correctly use noun clauses according to the real contexts.

2. Help the students further develop the skills of listening and speaking by understand sleep-related mysteries introduced in the interview.

3. Lead the students grasp the new expressions about the unknown and use them talk about the topic about the unknown.

(Teaching procedure)

Step 1  Review noun clauses

Activity 1  Decide the types and ideographic functions of noun clause.

A. Although his theory has been dismissed by scholars, it shows how powerful the secrets of Ancient May civilization are among people.

B. But the greatest mystery of all is what caused the Maya to abandon most of their great cities.

C. Why Maya civilization collapsed remains a mystery.

D. The fact that Maya society was technologically primitive makes its achievements all the more incredible and mysterious.

Step 2  Practice  Activity 2 & Activity 3

Activity 2  Complete the noun clauses with words in brackets.

1. In fact, it seems that they appeared very different from ___________ (think).

  →what people think

2. In recent, scientists have worked out ____________ (look): many of them were small with feathers.

  →what they looked like

3. However, __________ (have) feathers still isn’t clear--it might have been for communicating or for staying warm, but not just for flight.

→why they had

4. It seems _____________ (depend on) their habitats. That is, dinosaurs which could fly would have had different colors to those living in the sea.

  →as if they depended on

Activity 3  Talk about what caused the disappearance of dinosaurs using noun clauses where appropriate. Here are the notes to help you.

Step 3  Focus on vocabulary about facing the unknown

Activity 5 Read the passage and answer the question.

1. What is the flight instinct? Why do some people react that way in the face of the unknown?

2. What other reactions could people have when facing the unknown?

Activity 6  Put the words and expressions into the table.

Step 4  Listening

Activity 7  Understand the reading material on Page 55 before listening.

Question 1： What functions of the brain are mentioned in the passage?

Question 2： What is the current research situation concerning the brain?

Question 3： Share some interesting facts about the brain with the class.

Activity 8 & Activity 9  Listen to the interview and finish the tasks.

1. Choose the topic discussed in the interview.

A. Methods to keep the brain healthy and active.

B. Sleep-related mysteries.

C. Ways of improving sleep quality.

D. Methods of interpreting dreams.

2. Listen again and complete the table on Page 55 showing theories about the human brain and Dr Long’s comments.

Step 5   Posting listening 

Activity 10  Useful expressions for asking for more information and explaining.

Step 6  Discussion 

Activity 11

Talk about the investigation into another scientific mystery using the words and expressions learned in this lesson.

Step 7  Language appreciation

1. There are many mysteries about dinosaurs to which we long to find explanations.

[句式分析] “to which we long to find explanations” 为“介词 to +which +定语从句”用来修饰说明先行词 mysteries about dinosaurs。 其中介词与explanations构成固定搭配explanations to sth意为“对...的解释”；固定短语long to do sth意为“渴望做某事”。

[尝试翻译] 有许多关于恐龙的谜团，我们渴望找到解释。

2. Interestingly, it is the back part of the brain that is involved with our vision.   

[句式分析] 本句为强调句“It’s +被强调部分+that +句子的其余部分”，本语境为“It’s +主语+ that+句子的其余部分”，句中短语be involved with意为“与...关联，涉及到”。

[尝试翻译] 有趣的是，大脑的后部与我们的视觉有关。

Step 8: Assignments

1. Review the new words and expressions learned in this period.

2. Do more exercise to further master the grammar item-- noun clauses.

3. Listen to the interview on Page 55 again for more details.