课件23张PPT。Unit
4Oxford EnglishModule 2 Man’s best friendsSave the treesPeriod 1Reading (1)1Getting readyIn this unit, we are going to talk about another of
man’s best friends on Earth, trees.2Background knowledgeHow much do you know about trees?
Try the short quiz below. fruitbranchleafrootBrainstorming
What do trees do for us ?
Trees are major fighters against air pollution.Trees take in harmful gases from the air and produce oxygen for us to breathe. Look at the pictures on page 45. Then answer the question below. Trees take in harmful gases from the air and make oxygen for us to breathe. 3Before you readLook at the title of the interview on page 45.
Then answer the question below. Many of the things in our daily lives come from trees.
For example ,paper pencils, and chairs.4ReadingTrees in our daily lives
Rebecca wants to know more about trees and how they help us.
She is interviewing Dr Jones about trees. Read the first part of the conversation and answer the following question.Why are trees major fighters against air pollution?Comprehension They keep the air cool and clean.
They take in harmful gases from the air.
They produce oxygen for us to breathe.Read the second part of the conversation and answer the following question.What can we get from trees? Comprehension Fruit
Oil
Tea and furnitureRead the third part of the conversation and answer the following question.How many trees do people cut down every year?Comprehension People cut down millions of trees every year.Trees in our
daily lives5Comprehensionair pollutioncool and cleanharmful gasesmore convenientcome from treesmade of woodVocabularyproduce againstfurnitureconvenientmajor6Review the textRepeat the text after the tape.HHomework 1. 模仿录音的语音、语调,朗读课文。
2. 抄写单词和短语:against,branch,convenient,example,fight,furniture,gas,harmful,imagine,major,oxygen,produce,root,save;for example,millions of,take in等。
3. 用课文中的语句回答问题Why are trees so important in our daily lives?。
4. 完成《综合练习册》第50页Vocabulary和第57页Reading A的练习。