外研版（2019）选择性必修第四册Unit 5 Into the unknown Period 2 Using language 导学案
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| 名称 | 外研版（2019）选择性必修第四册Unit 5 Into the unknown Period 2 Using language 导学案 |  | |
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| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-08-29 21:45:12 | ||
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Unit 5 Into the unknown
Period 2 Using language
(导学案)
1. To review and master the usages of noun clauses, and correctly use them in real contexts.
2. To develop integrated skills of listening and speaking by completing relevant tasks.
3. To learn and use new words and expressions used for relating the unknown and mysteries.
1. To decide connectives introducing noun clauses and correctly use noun clauses in specific contexts.
2. To extract key information to complete tasks when listening to the interview about sleep-related mysteries.
3. To talk about facing the unknown or mysteries using new words and expressions in the lesson.
Key words and expressions for Period One
1 make a getaway 9 set out
2 run for one’s life 10 unchanged
3 check out 11 delve
4 test the waters 12 threw oneself into
5 steer clear of... 13 think twice
6 retreat 14 shrink from
7 subdue 15 look into
8 the unknown 16 investigation
Step 1 Review noun clauses
Activity 1
Fill in the blanks with proper connectives, and then decide the types and functions of noun clause.
A. Although his theory has been dismissed by scholars, it shows ________ powerful the secrets of Ancient May civilization are among people.
B. But the greatest mystery of all is _________ caused the Maya to abandon most of their great cities.
C. __________ Maya civilization collapsed in the early 16th century remains a mystery.
D. The fact _________ Maya society was technologically primitive makes its achievements all the more incredible and mysterious.
1 subject clause It serves as the subject of the sentence.
2 object clause It serves as the object of the sentence.
3 predictive clause It serves as the predictive of the sentence.
4 appositive clause The clause gives further information about the noun before the clause.
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).
2. In recent, scientists have worked out ____________ (look): many of them were small with feathers.
3. However, __________ (have) feathers still isn’t clear--it might have been for communicating or for staying warm, but not just for flight.
4. It seems _____________ (depend on) their habitats. That is, dinosaurs which could fly would have had different colors to those living in the sea.
Activity 3 Talk about what caused the disappearance of dinosaurs using noun clauses where appropriate. Here are the notes to help you.
What caused the disappearance of dinosaurs: 1 a huge meteorite hitting Earth 2 ash and gas from erupting volcanoes 3 disease
Among the many unsolved mysteries about dinosaurs, what really interests me is their disappearance. One possible explanation is that __________________________________________________________
____________________________________________________________________________________
____________________________________________________________________________________
____________________________________________________________________________________.
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.
1 make a quick getaway 9 set out into
2 run for one’s lives from 10 delve into
3 check out 11 think twice
4 test the waters of 12 take action
5 steer clear of 13 shrink from
6 retreat to 14 look into
7 subdue 15 consider one’s options
8 endure
Avoiding Exploring Overcoming Hesitating
Step 4 Listening
Activity 7
Before listening, understand the reading material on Page 55.
1. What functions of the brain are mentioned in the passage
2. What is the current research situation concerning the brain
3. Share some interesting facts about the brain with the class.
Activity 8 & Activity 9
Listen to the interview and finish the following 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.
Theories The brain needs time to 1 ____________________
The brain 3 _______________ when we’re awake. It needs sleep to 4 ______________
7 __________ in the brain while we’re awake, and the brain reflects on them and 8 ______ in our dreams.
Dr Long’s comments Recent students prove that our brains 2 ______________ during sleep.
There isn’t 5 ___________ to confirm this. It might not be 6 _____________ for sleep.
A lot of research has been conducted, but we still can’t prove that 9 _____________.
Unanswered questions Why do we “see” our dreams 10 _______________________________________
Step 5 Posting listening
Activity 10 Useful expressions for asking for more information and explaining.
1 Could you tell us something about... 2 It’s because... 3 ...prove... 4 What other reasons could there be for it 5 Would you tell us more about...
Asking for more information Explaining
Step 6 Discussion
Activity 11
Talk about the investigation into another scientific mystery.
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_________从句，其结构为“介词 to +which +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“____________________”。
[尝试翻译] 。
2. Interestingly, it is the back part of the brain that is involved with our vision.
[句式分析] 本句为____________ 句式，“It’s + ____________+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“________________________”。
[尝试翻译] 。
【参考答案】
Step 1 Review noun clauses
Activity 1 【答案】
Fill in the blanks with proper connectives, and then decide the types and 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 in the early 16th century remains a mystery.
D. The fact _ that Maya society was technologically primitive makes its achievements all the more incredible and mysterious.
1 subject clause It serves as the subject of the sentence. C
2 object clause It serves as the object of the sentence. A
3 predictive clause It serves as the predictive of the sentence. B
4 appositive clause The clause gives further information about the noun before the clause. D
Step 2 Practice Activity 2 & Activity 3
Activity 2 Complete the noun clauses with words in brackets. 【答案】
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.
→what they looked like
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.
What caused the disappearance of dinosaurs: 1 a huge meteorite hitting Earth 2 ash and gas from erupting volcanoes 3 disease
【答案】
Among the many unsolved mysteries about dinosaurs, what really interests me is their disappearance. One possible explanation is that there was a huge meteorite hitting Earth. But what I believed most was ash and gas from erupting volcanoes. Where so much magma went, all the living things including dinosaurs lost their lives. Besides, clouds of fire and smoke blocked the whole sky so that they had no sunshine to enjoy and no oxygen to take in.
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
【答案】
1. Making a quick getaway. It is a human instinct.
2. They chose to subdue their fears and pursue the unknown.
Activity 6 Put the words and expressions into the table. 【答案】
1 make a quick getaway 9 set out into
2 run for one’s lives from 10 delve into
3 check out 11 think twice
4 test the waters of 12 take action
5 steer clear of 13 shrink from
6 retreat to 14 look into
7 subdue 15 consider one’s options
8 endure
Avoiding Exploring Overcoming Hesitating
1/2//6/13 3/4/9/10/14 7/8/12 11/15
Step 4 Listening
Activity 7
Before listening, understand the reading material on Page 55.
1. What functions of the brain are mentioned in the passage
2. What is the current research situation concerning the brain
3. Share some interesting facts about the brain with the class.
【答案】
1. The brain is the centre of the nervous system and controls most of the body’s activities. The back part of it is involved with our vision and the sides of it are involved in memory, speech and rhythm.
2. There is still a long way to go before we can completely understand the workings of the brain.
Activity 8 & Activity 9
Listen to the interview and finish the following tasks.
1. Choose the topic discussed in the interview. 【答案：B 】
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.
Theories The brain needs time to 1 ____________________
The brain 3 _______________ when we’re awake. It needs sleep to 4 ______________
7 __________ in the brain while we’re awake, and the brain reflects on them and 8 ______ in our dreams.
Dr Long’s comments Recent students prove that our brains 2 ______________ during sleep.
There isn’t 5 ___________ to confirm this. It might not be 6 _____________ for sleep.
A lot of research has been conducted, but we still can’t prove that 9 _____________.
Unanswered questions Why do we “see” our dreams 10 _______________________________________
【答案】
1 rest and do maintenance 6 the most important reason
2 remain active 7 New connections are formed between parts.
3 makes lots of poisonous chemicals 8 use them to form new memories
4 remove these chemicals 9 sleep is necessary to this function
5 enough data 10 Why do people dream in color and other don’t
Step 5 Posting listening
Activity 10 Useful expressions for asking for more information and explaining. 【答案】
1 Could you tell us something about... 2 It’s because... 3 ...prove... 4 What other reasons could there be for it 5 Would you tell us more about...
Asking for more information Explaining
1/ 4/ 5 2/ 3
Step 6 Discussion
Activity 11
Talk about the investigation into another scientific mystery. 【答案】
Possible vision：
The aliens are a general term used by humans to describe imaginary life from other planets. Nowadays, the human beings have not actually detected whether there are aliens in universe, though quiet a few people said that they witnessed alien visit the earth.
In the last 50 years of researches, astronomers have not found any conclusive evidence of extraterrestrial life.
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 定语 从句，其结构为“介词 to +which +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 句式“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。
Period 2 Using language
(导学案)
1. To review and master the usages of noun clauses, and correctly use them in real contexts.
2. To develop integrated skills of listening and speaking by completing relevant tasks.
3. To learn and use new words and expressions used for relating the unknown and mysteries.
1. To decide connectives introducing noun clauses and correctly use noun clauses in specific contexts.
2. To extract key information to complete tasks when listening to the interview about sleep-related mysteries.
3. To talk about facing the unknown or mysteries using new words and expressions in the lesson.
Key words and expressions for Period One
1 make a getaway 9 set out
2 run for one’s life 10 unchanged
3 check out 11 delve
4 test the waters 12 threw oneself into
5 steer clear of... 13 think twice
6 retreat 14 shrink from
7 subdue 15 look into
8 the unknown 16 investigation
Step 1 Review noun clauses
Activity 1
Fill in the blanks with proper connectives, and then decide the types and functions of noun clause.
A. Although his theory has been dismissed by scholars, it shows ________ powerful the secrets of Ancient May civilization are among people.
B. But the greatest mystery of all is _________ caused the Maya to abandon most of their great cities.
C. __________ Maya civilization collapsed in the early 16th century remains a mystery.
D. The fact _________ Maya society was technologically primitive makes its achievements all the more incredible and mysterious.
1 subject clause It serves as the subject of the sentence.
2 object clause It serves as the object of the sentence.
3 predictive clause It serves as the predictive of the sentence.
4 appositive clause The clause gives further information about the noun before the clause.
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).
2. In recent, scientists have worked out ____________ (look): many of them were small with feathers.
3. However, __________ (have) feathers still isn’t clear--it might have been for communicating or for staying warm, but not just for flight.
4. It seems _____________ (depend on) their habitats. That is, dinosaurs which could fly would have had different colors to those living in the sea.
Activity 3 Talk about what caused the disappearance of dinosaurs using noun clauses where appropriate. Here are the notes to help you.
What caused the disappearance of dinosaurs: 1 a huge meteorite hitting Earth 2 ash and gas from erupting volcanoes 3 disease
Among the many unsolved mysteries about dinosaurs, what really interests me is their disappearance. One possible explanation is that __________________________________________________________
____________________________________________________________________________________
____________________________________________________________________________________
____________________________________________________________________________________.
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.
1 make a quick getaway 9 set out into
2 run for one’s lives from 10 delve into
3 check out 11 think twice
4 test the waters of 12 take action
5 steer clear of 13 shrink from
6 retreat to 14 look into
7 subdue 15 consider one’s options
8 endure
Avoiding Exploring Overcoming Hesitating
Step 4 Listening
Activity 7
Before listening, understand the reading material on Page 55.
1. What functions of the brain are mentioned in the passage
2. What is the current research situation concerning the brain
3. Share some interesting facts about the brain with the class.
Activity 8 & Activity 9
Listen to the interview and finish the following 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.
Theories The brain needs time to 1 ____________________
The brain 3 _______________ when we’re awake. It needs sleep to 4 ______________
7 __________ in the brain while we’re awake, and the brain reflects on them and 8 ______ in our dreams.
Dr Long’s comments Recent students prove that our brains 2 ______________ during sleep.
There isn’t 5 ___________ to confirm this. It might not be 6 _____________ for sleep.
A lot of research has been conducted, but we still can’t prove that 9 _____________.
Unanswered questions Why do we “see” our dreams 10 _______________________________________
Step 5 Posting listening
Activity 10 Useful expressions for asking for more information and explaining.
1 Could you tell us something about... 2 It’s because... 3 ...prove... 4 What other reasons could there be for it 5 Would you tell us more about...
Asking for more information Explaining
Step 6 Discussion
Activity 11
Talk about the investigation into another scientific mystery.
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_________从句，其结构为“介词 to +which +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“____________________”。
[尝试翻译] 。
2. Interestingly, it is the back part of the brain that is involved with our vision.
[句式分析] 本句为____________ 句式，“It’s + ____________+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“________________________”。
[尝试翻译] 。
【参考答案】
Step 1 Review noun clauses
Activity 1 【答案】
Fill in the blanks with proper connectives, and then decide the types and 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 in the early 16th century remains a mystery.
D. The fact _ that Maya society was technologically primitive makes its achievements all the more incredible and mysterious.
1 subject clause It serves as the subject of the sentence. C
2 object clause It serves as the object of the sentence. A
3 predictive clause It serves as the predictive of the sentence. B
4 appositive clause The clause gives further information about the noun before the clause. D
Step 2 Practice Activity 2 & Activity 3
Activity 2 Complete the noun clauses with words in brackets. 【答案】
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.
→what they looked like
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.
What caused the disappearance of dinosaurs: 1 a huge meteorite hitting Earth 2 ash and gas from erupting volcanoes 3 disease
【答案】
Among the many unsolved mysteries about dinosaurs, what really interests me is their disappearance. One possible explanation is that there was a huge meteorite hitting Earth. But what I believed most was ash and gas from erupting volcanoes. Where so much magma went, all the living things including dinosaurs lost their lives. Besides, clouds of fire and smoke blocked the whole sky so that they had no sunshine to enjoy and no oxygen to take in.
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
【答案】
1. Making a quick getaway. It is a human instinct.
2. They chose to subdue their fears and pursue the unknown.
Activity 6 Put the words and expressions into the table. 【答案】
1 make a quick getaway 9 set out into
2 run for one’s lives from 10 delve into
3 check out 11 think twice
4 test the waters of 12 take action
5 steer clear of 13 shrink from
6 retreat to 14 look into
7 subdue 15 consider one’s options
8 endure
Avoiding Exploring Overcoming Hesitating
1/2//6/13 3/4/9/10/14 7/8/12 11/15
Step 4 Listening
Activity 7
Before listening, understand the reading material on Page 55.
1. What functions of the brain are mentioned in the passage
2. What is the current research situation concerning the brain
3. Share some interesting facts about the brain with the class.
【答案】
1. The brain is the centre of the nervous system and controls most of the body’s activities. The back part of it is involved with our vision and the sides of it are involved in memory, speech and rhythm.
2. There is still a long way to go before we can completely understand the workings of the brain.
Activity 8 & Activity 9
Listen to the interview and finish the following tasks.
1. Choose the topic discussed in the interview. 【答案：B 】
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.
Theories The brain needs time to 1 ____________________
The brain 3 _______________ when we’re awake. It needs sleep to 4 ______________
7 __________ in the brain while we’re awake, and the brain reflects on them and 8 ______ in our dreams.
Dr Long’s comments Recent students prove that our brains 2 ______________ during sleep.
There isn’t 5 ___________ to confirm this. It might not be 6 _____________ for sleep.
A lot of research has been conducted, but we still can’t prove that 9 _____________.
Unanswered questions Why do we “see” our dreams 10 _______________________________________
【答案】
1 rest and do maintenance 6 the most important reason
2 remain active 7 New connections are formed between parts.
3 makes lots of poisonous chemicals 8 use them to form new memories
4 remove these chemicals 9 sleep is necessary to this function
5 enough data 10 Why do people dream in color and other don’t
Step 5 Posting listening
Activity 10 Useful expressions for asking for more information and explaining. 【答案】
1 Could you tell us something about... 2 It’s because... 3 ...prove... 4 What other reasons could there be for it 5 Would you tell us more about...
Asking for more information Explaining
1/ 4/ 5 2/ 3
Step 6 Discussion
Activity 11
Talk about the investigation into another scientific mystery. 【答案】
Possible vision：
The aliens are a general term used by humans to describe imaginary life from other planets. Nowadays, the human beings have not actually detected whether there are aliens in universe, though quiet a few people said that they witnessed alien visit the earth.
In the last 50 years of researches, astronomers have not found any conclusive evidence of extraterrestrial life.
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 定语 从句，其结构为“介词 to +which +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 句式“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。