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Unit 4 Astronomy the science of the stars Reading学案
【要达成的目标】
1.The students will be able to understand the passage better.
2.The students will be able to have a preliminary understanding of the new words.
3.The students will be able to develop their macro-skills.
【“教”与“学”过程】
Task 1 Individual Work Before Class (10 minutes)
Activity (1) Read the passage again and finish Ex2 on page 27.
Task 2 Pair Work In Class (15 minutes)
Activity (1) Discuss the following questions in pairs.
① What was there on the earth before life could begin?
② Why do scientists think there has never been life on the moon?
③ Why did the plants grow before the animals came?
④ Why did animals, for example, shellfish and all sorts of fish, first appear in the oceans and seas?
⑤ What helped animals to move from the water to the land?
⑥ So what were needed before animals could develop?
⑦ Why is it wrong to show films with dinosaurs and people together?
⑧ What problem is caused by human beings?
Task 3 Group Work In Class (15 minutes)
Activity (1) Fill in the blanks according to the passage.
water + atmosphere + acids ____________in the oceans and seas
+
oxygen
________________ in the oceans and seas
___________ on land insects and amphibians
_____________ reptiles
+ dinosaurs
oxygen mammals
human beings
?
Activity (2) Report your answer to ? and your reasons.
Activity(3) Retell the passage in your own words according to the diagram above.
Task 4 Individual Work In Class (10 minutes )
Activity (1) Fill in the blanks with a proper word in this passage.
① How life began on earth is one of the biggest p______ that scientists found hard to solve.
② Everyone took part in the discussion. There was a lively a_________ in the classroom.
③ There was a v______ quarrel going on outside. Nobody could fall asleep.
④ Lily was quite mean. U_____ Lily, Lucy was quite generous.
⑤ An unbalanced diet is h_______ to our health.
⑥ We should combine t______ with practice.
⑦ The population of the world is m________ all the time.
⑧ Dinosaurs once e______ on the earth. Now, they have died out.
⑨ Grammar and vocabulary are quite f ________ to English study.
⑩ Do you think the education s_______ in China is good enough?
Homework
Activity (1) Practice reading the passage aloud by yourself.
Activity (2) Finish the task before class in the next learning guide
【课后反思】
(教师写成败得失和改进措施,学生写学习体会和存在的问题)
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