高三英语Unit2 Crossing limits 教学设计及教案
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增大字体Task two: Discuss and answer
T: Work in pairs and discuss the following question?
Question: What were the dangers and challenges that explorers had to face in the past while exploring the world? You can find answers in your reference handout or recall them from your memory.
S: There were a lot of dangers that made their exploration difficult. First, they had to struggle against big storms, icebergs and great rocks that lie unnoticed in the sea. Second, they may easily get ill without fresh vegetables on board. Third, they had to fight against pirates and unfriendly natives.
Task three: List words and expressions
T: Since we have known a lot about exploration at sea, now please recall the words and expressions we just used in talking about exploration. You can also think out these words and expression by using mind-map strategy.
Students recall the words by using mind-map strategy and make the following list.
Item Language
Words with the meaning exploration and discovery Make a discovery, expedition, explore the unknown, exploration
Purposes and experiences in the course of an expedition Do scientific research, map the coast, find a new landmass, discover an island, hit a rock, meet with storms, fight against the natives, land, hide in a harbor
Transport and communication set out for, set sail for, on board, by sea, on deck, by radio, by flag language, by telephone
Step III Pre-listening
Task one: Prediction
T: Now we are going to hear an interview between a reporter and a professor about exploring in the past and at present. Before listening, please think what sort of questions the reporter will ask and list at least three questions.
S: He may ask the following three questions. 1. What communicating tools did they use in the past? 2. How did they store enough fresh water? 3. How did they deal with sickness in the course of exploration in the past?
T: If the reporter raises the above questions, what examples will the professor give to answer the questions?
S: He may give an example of a great explorer and explain the questions.
Task two: Question and answer
T: What modern means can explorers make use of today?
S: They can send messages by radio and take pictures with advanced cameras in space travel. They can also use robots and other advanced equipment to accomplish some dangerous tasks.
Step IV While-Listening
Task one: Listen for the first time and fill in the chart
T: In the tape you are going to hear the differences of communication and transport used in the past and at present. Listen to the tape and fill the chart of exercise 2 on page 11.
Students listen and do the excercise.
Task two: Do shorthand
T: Listen to the tape for the second time and fill in the chart below. Before that you had better read the questions of exercise 3 carefully.
Students listen to the tape and do shorthand.
Risks in the past
Solutions for modern explorers having no map
Similarities between the past expeditions and trips to Mars
Step V Post-listening
Task one: Discussion
T: Exploration means advancement. It was Armstrong’s first step on the moon that enables people to know what the real moon is like. Meanwhile, explorations are not without dangers and challenges. Recall your early experiences or choose one topic from the teacher’s list to discuss what dangers or difficulties you may have in the course of exploration. Work in groups of four and list all the possible dangers or difficulties. After that, please find out possible solutions to the problems.
Teacher’s list:
Situations Exploring an uninhabited (无人居住的) island
Going through a cave
Discover a special plant
Students discuss in groups and try to find out possible solutions.
S: Take exploring an uninhabited island as an example, we may meet the following dangers and difficulties and we have found out possible solutions to them, as is shown in the below.
Dangers and difficulties Solutions
We may meet with big waves on the voyage Prepare a boat strong enough and listen to weather forecast before hand
We may get lost in the island Take a compass and make marks along the way
We may find it difficult to make meals Prepare enough food and fresh water and take some matches
We may be attacked by the snakes Prepare a safe sleeping bag and some medicines
Step Ⅵ Listening practice
Task one: Choose the best answers
T: Listen to the tape for the first time and do exercise 2 on page 153.
Students go through the requirement before listening and listen to get the answers.
Task two: Listen and answer questions
T: Listen to the tape for the second time and do exercise 3 on page 153.
Students go through the requirement before listening and find answers to the questions.
Step VII Homework
Task one: Use the following words to make short phrases (eg: evaluate—evaluate the situation)
Words and expressions: evaluate, various, make a decision, in the name of, solve the energy problem, be rich in, take possession of, damage, disturb, available
Task two: Interview some of your classmates and find out if they would like to take part in “A Trip to an Uninhabited Small Island”. Then write a small passage showing different opinions and their reasons. At the end of the passage, you should express your own reason and opinion.
T: Work in pairs and discuss the following question?
Question: What were the dangers and challenges that explorers had to face in the past while exploring the world? You can find answers in your reference handout or recall them from your memory.
S: There were a lot of dangers that made their exploration difficult. First, they had to struggle against big storms, icebergs and great rocks that lie unnoticed in the sea. Second, they may easily get ill without fresh vegetables on board. Third, they had to fight against pirates and unfriendly natives.
Task three: List words and expressions
T: Since we have known a lot about exploration at sea, now please recall the words and expressions we just used in talking about exploration. You can also think out these words and expression by using mind-map strategy.
Students recall the words by using mind-map strategy and make the following list.
Item Language
Words with the meaning exploration and discovery Make a discovery, expedition, explore the unknown, exploration
Purposes and experiences in the course of an expedition Do scientific research, map the coast, find a new landmass, discover an island, hit a rock, meet with storms, fight against the natives, land, hide in a harbor
Transport and communication set out for, set sail for, on board, by sea, on deck, by radio, by flag language, by telephone
Step III Pre-listening
Task one: Prediction
T: Now we are going to hear an interview between a reporter and a professor about exploring in the past and at present. Before listening, please think what sort of questions the reporter will ask and list at least three questions.
S: He may ask the following three questions. 1. What communicating tools did they use in the past? 2. How did they store enough fresh water? 3. How did they deal with sickness in the course of exploration in the past?
T: If the reporter raises the above questions, what examples will the professor give to answer the questions?
S: He may give an example of a great explorer and explain the questions.
Task two: Question and answer
T: What modern means can explorers make use of today?
S: They can send messages by radio and take pictures with advanced cameras in space travel. They can also use robots and other advanced equipment to accomplish some dangerous tasks.
Step IV While-Listening
Task one: Listen for the first time and fill in the chart
T: In the tape you are going to hear the differences of communication and transport used in the past and at present. Listen to the tape and fill the chart of exercise 2 on page 11.
Students listen and do the excercise.
Task two: Do shorthand
T: Listen to the tape for the second time and fill in the chart below. Before that you had better read the questions of exercise 3 carefully.
Students listen to the tape and do shorthand.
Risks in the past
Solutions for modern explorers having no map
Similarities between the past expeditions and trips to Mars
Step V Post-listening
Task one: Discussion
T: Exploration means advancement. It was Armstrong’s first step on the moon that enables people to know what the real moon is like. Meanwhile, explorations are not without dangers and challenges. Recall your early experiences or choose one topic from the teacher’s list to discuss what dangers or difficulties you may have in the course of exploration. Work in groups of four and list all the possible dangers or difficulties. After that, please find out possible solutions to the problems.
Teacher’s list:
Situations Exploring an uninhabited (无人居住的) island
Going through a cave
Discover a special plant
Students discuss in groups and try to find out possible solutions.
S: Take exploring an uninhabited island as an example, we may meet the following dangers and difficulties and we have found out possible solutions to them, as is shown in the below.
Dangers and difficulties Solutions
We may meet with big waves on the voyage Prepare a boat strong enough and listen to weather forecast before hand
We may get lost in the island Take a compass and make marks along the way
We may find it difficult to make meals Prepare enough food and fresh water and take some matches
We may be attacked by the snakes Prepare a safe sleeping bag and some medicines
Step Ⅵ Listening practice
Task one: Choose the best answers
T: Listen to the tape for the first time and do exercise 2 on page 153.
Students go through the requirement before listening and listen to get the answers.
Task two: Listen and answer questions
T: Listen to the tape for the second time and do exercise 3 on page 153.
Students go through the requirement before listening and find answers to the questions.
Step VII Homework
Task one: Use the following words to make short phrases (eg: evaluate—evaluate the situation)
Words and expressions: evaluate, various, make a decision, in the name of, solve the energy problem, be rich in, take possession of, damage, disturb, available
Task two: Interview some of your classmates and find out if they would like to take part in “A Trip to an Uninhabited Small Island”. Then write a small passage showing different opinions and their reasons. At the end of the passage, you should express your own reason and opinion.
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