江西省宜春市宜春中学高中英语 Unit4 Astronomy the science of the stars Reading学案 新人教版必修3.doc

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】‎ 本堂课使用的电教手段 ‎ 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 2‎ ‎___________ 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）‎ ‎【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）‎ 2‎