Unit2 Writing课件示例 人教.ppt

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1、 Unit 2WritingLanguage preparationFact boxFact box1.The Tibetans have lived in the Himalayas for centuries and they have adjusted to the extreme conditions.2.In 1924,two British men were lost when their oxygen ran out.Expressions used to make decisions:Expressions used to make decisions:Its hard to

2、decide however.Its hard to decide however.Take everything into consideration,I Take everything into consideration,I In spite of,I still believeIn spite of,I still believeI am likely to think becauseI am likely to think becauseMy choice will beMy choice will beSamplesA:Mountain climbing is dangerous

3、and A:Mountain climbing is dangerous and climbers have to face a lot of other climbers have to face a lot of other dangers besides the cold and thin air.dangers besides the cold and thin air.But according to my knowledge,But according to my knowledge,people can only survive above the people can only

4、 survive above the death zone for a few days even with death zone for a few days even with extra oxygen.In spite of extra oxygen.In spite of fact that fact that Tibetans have survived in such Tibetans have survived in such extreme conditions for centuries,I extreme conditions for centuries,I still b

5、elieve it is almost impossible for still believe it is almost impossible for the climbers from other regions to the climbers from other regions to climb Mount Everest without extra climb Mount Everest without extra oxygen.oxygen.B:Since Tibetans have lived in B:Since Tibetans have lived in Himalayas

6、 for centuries.It is possible Himalayas for centuries.It is possiblefor other people to adjust to such for other people to adjust to such high attitude if they follow a natural high attitude if they follow a natural process of training.Take the fact process of training.Take the fact into considerati

7、on,I think that two into consideration,I think that two British men were lost because they British men were lost because they were not well prepared before their were not well prepared before their climbing.climbing.List the positive and negative List the positive and negative examples or facts.exam

8、ples or facts.In space travel should we use In space travel should we use robots to take the place of human robots to take the place of human beings?beings?SamplesSamplesA:I think we should use robot to take the place of human beings for the following reasons.First,robots can make the job easier.Sec

9、ond,robot will make the exploration safer without risking peoples lives.Third,robots do better job than human,because they can be more exact in collecting and analyzing data.B:I think we should not use robots to take the place of human beings because space travel explores humans possibilities.Space

10、travel tests peoples courage,endeavor and ability.If we use robots we will become too dependent on them and lose courage in space exploration.Take Apollos landing on the Moon as an example,if it were not Armstrong and his co-workers,we would not know what the moon is really like.Pre-writingPre-writi

11、ngSpoil/lowerMinimize humans achievement.Take away the fun to riskIt only prove the advancement of technology,but not humans advancement in explorationTake away the chance to test people courageDoesnt Spoil/lowerCant make it without technologyAchieve greater progress Make the task easier and fasterM

12、ake sports and exploration less dangerousWritingWritingWrite opinion sentences by following the chart.Positive opinionNegative opinionWriters opinion(student)Homework1.Improve your work after class by following the rules we learnt in class.2.Review all the words and sentence structures learn in the unit.