高中英语外研版 (2019)选择性必修 第四册Unit 5 Into the unknown优秀学案

Unit 5  Into the unknown

Period 1  Starting out & understanding ideas

  导学案

1. To improve the speaking ability by talking about natural phenomena and unsolved natural mysteries.

2. To deeply understand the text, including the logic structure, textural context, and the language features of the passage.

3. To think and share their views about the possible reasons for the disappearance of Maya civilization.

4. To cultivate the spirit of seeking truth and the awareness of protecting modern civilization after reading.

1. To learn useful expressions about natural phenomena and scientific explanations to lost civilization.

2. To enhance students’ reading comprehension and further grasp the features of an expository essay. 

3. To think about and share the reasons for the disappearance of Maya civilization and raise the students’ awareness of protecting modern civilization.

Key words and expressions for Period One

Step 1  Starting out  

Activity 1  Watch the video and get key information to fill in the table.

Activity 2  Look at the pictures and answer the questions.

Step 2  Before reading  

Activity 1  Look at the pictures on Page 50 and answer the following questions.

Question 1: What do you know about these ancient civilizations?

Question 2: What might be the reasons behind their collapse?

Question 3: What other ancient civilizations do you know?

Step 3  While reading  

1. Read the text and answer the questions.

① What happened in the early 16th century?

  A. The Maya lived a primitive life. 

B. Europeans arrived in Central America.

C. The Maya civilization reached its peak.

② Why has no one yet been able to fully explain the Maya writing system?

  A. It’s too mysterious.    B. It’s too impractical.     C. It’s too complicated.

③ What made the Maya people reduce their ability to deal with natural disasters?

  A. The growth of the Maya population.  

B. Not following the laws of nature to change the landscape.

C. Conflicts between foreign nationalities and local people.

④ What do scientists think was the main reason the Maya civilization began to collapse?

 A. Cutting down trees.       B. The drought.       C. Tropical cyclones.

2. Choose the topic sentences and write them on the lines to complete the text.

Activity 3

Step 4  Further reading

Activity 4  Organize information from the text and complete the file of Maya civilization.

Activity 5  Complete the cultural comparison with information from the passage.

Comparing the highly-sophisticated civilizations of the Maya and Ancient China reveals some surprising similarities. They both possessed a detailed understanding of 1 __________ and astronomy, which helped them maintain an accurate 2 __________, and a complex 3 __________ that used signs to represent sounds and meanings. It can therefore be difficult to explain why, despite their excellent construction skills, the Maya never learned to use 4 ______, while the ancient Chinese did. Facts such as these add to the mystery surrounding Maya civilization, driving people to find out why it 5 _______ while others, such as Ancient China, survived and thrived.

Step 5: Post- reading

Think & share

Think back the content of the passage and answer the following the question.

1  What is the author’s purpose in starting the passage with the story about William Gadoury?

2  What lessons can you learn from the collapse of Maya civilization? How can this information help the development of today’s society?

 Step 6: Language appreciation

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

[句式分析] “that Maya society was technologically primitive”是 that 引导的 __________ 从句，解释说明主名词the fact的具体内容，引导词that只起引导性作用，不在从句中充当任何成分。

[尝试翻译] ______________________________________________________________。

2. This is likely to have led to a series of drought, each lasting for a couple of years.

[句式分析] “each lasting for a couple of years”是由“代词+ 现在分词”构成的 ____________ 结构。 其中动词last 与逻辑主语each 构成 _________ 语态关系，故使用 ________ 分词。

[尝试翻译] ______________________________________________________________。

3. Meanwhile, the rise and fall of this civilization must also leaves us thinking about our own past, present and future.

[句式分析] “leave + 宾语+ 宾语补足语”表示“___________________”，宾语补足语可以是现在分词、过去分词、不定式、形容词、名词或小品词（on/off; up/ down; away/ in/out）。

[尝试翻译] _____________________________________________________________。

Step 7: Assignments

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

2. Listen and get the main idea as well as details of the text.  

3. Writing a 70-word summary of the passage.

【参考答案】

Step 1  Starting out  

Activity 1  Watch the video and get key information to fill in the table. 【答案】

Activity 2  Look at the pictures and answer the questions. 【参考答案】

Step 2  Before reading  

Activity 1  Look at the pictures on Page 50 and answer the following questions.

Question 1: What do you know about these ancient civilizations?

【答案】They were very popular before the ancient civilizations suddenly disappeared.

Question 2: What might be the reasons behind their collapse?

【答案】The destruction of mankind might be the reasons behind their collapse.

Question 3: What other ancient civilizations do you know?

【答案】The Khmer Empire: Founded in the 9th century, Angkor Wat was once one of the largest cities in Southeast Asia and is known for its art and wealth.

Step 3  While reading  

1. Read the text and answer the questions.

① What happened in the early 16th century?   【答案B】

  A. The Maya lived a primitive life. 

B. Europeans arrived in Central America.

C. The Maya civilization reached its peak.     

② Why has no one yet been able to fully explain the Maya writing system? 【答案C】

  A. It’s too mysterious.    B. It’s too impractical.     C. It’s too complicated.

③ What made the Maya people reduce their ability to deal with natural disasters? 【答案B】

  A. The growth of the Maya population.  

B. Not following the laws of nature to change the landscape.

C. Conflicts between foreign nationalities and local people.

④ What do scientists think was the main reason the Maya civilization began to collapse? 【答案B】

  A. Cutting down trees.       B. The drought.       C. Tropical cyclones.

2. Choose the topic sentences and write them on the lines to complete the text.

Activity 3

【答案】

Step 4  Further reading

Activity 4  Organize information from the text and complete the file of Maya civilization.

【答案】

Activity 5  Complete the cultural comparison with information from the passage.

Comparing the highly-sophisticated civilizations of the Maya and Ancient China reveals some surprising similarities. They both possessed a detailed understanding of 1 __________ and astronomy, which helped them maintain an accurate 2 __________, and a complex 3 __________ that used signs to represent sounds and meanings. It can therefore be difficult to explain why, despite their excellent construction skills, the Maya never learned to use 4 ______, while the ancient Chinese did. Facts such as these add to the mystery surrounding Maya civilization, driving people to find out why it 5 _______ while others, such as Ancient China, survived and thrived.

【答案】

Step 5: Post- reading

Think & share

Think back the content of the passage and answer the following the question.

1  What is the author’s purpose in starting the passage with the story about William Gadoury?

【答案】In order to introduce the topic of the passage, the author presents the story shows how the secrets of Ancient Maya civilization have captured people’s imagination.

2  What lessons can you learn from the collapse of Maya civilization? How can this information help the development of today’s society?

【答案】Human beings should respect nature and not violate the law of its development.

 Step 6: Language appreciation

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

[句式分析] “that Maya society was technologically primitive”是 that 引导的 同位语 从句，解释说明主名词the fact的具体内容，引导词that只起引导性作用，不在从句中充当任何成分。

[尝试翻译] 事实上，玛雅社会在技术上是原始的，这使得它的成就更加难以置信和神秘。

2. This is likely to have led to a series of drought, each lasting for a couple of years.

[句式分析] “each lasting for a couple of years”是由“代词+ 现在分词”构成的  独立主格  结构。 其中动词last 与逻辑主语each 构成   主动   语态关系，故使用 现在 分词。

[尝试翻译] 这可能导致了一系列的旱灾，每一次旱灾持续几年时间。

3. Meanwhile, the rise and fall of this civilization must also leaves us thinking about our own past, present and future.

[句式分析] “leave + 宾语+ 宾语补足语”表示“ 使......处于某种状态 ”，宾语补足语可以是现在分词、过去分词、不定式、形容词、名词或小品词（on/off; up/ down; away/ in/out）。

[尝试翻译]与此同时，这种文明的兴衰也必然让我们思考自己的过去、现在以及未来。