北京市第一五四中学高中英语 unit21 lesson3.2学案(无答案)北师大版选修7
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1、Unit21 Lesson3 学习目标By the end of the class, the students will be able to:l identify the structure of one type of discursive essays.l use the strategies of sequencing to put the text back together.l voice your feelings about epidemics.学习过程课堂活动(一) 预习交流Talk about epidemics.(二) 合作探究Read the text again a
2、nd fill in the missing information based on the text.Five killer 1. _ are talked about in the text. They are Justinian Plague,2._ _, 3._, SARS and 4._. Justinian Plague, the earliest 5. _ about 500-550 AD when the Roman 6. _ was attempting to 7._ the Roman Empire. This epidemic 8._ through North Afr
3、ica, the Middle East and Europe. It is supposed to 9._ up to 50% of the areas population and thus led to the fall of 10._.The SARS epidemic appeared in 2002, as it was completely new, there were no 10_ drugs or 11._ to treat it and doctors were not sure how to prevent it either. However, ever since
4、then, 12._ have been done on 13. _ to prohibit any further 14._. Thanks to modern technology, medical workers all over the world are able to work together without pause to help put SARS 15. _ us. (三) 分层提高How do you understand the words or phrases in bold letters? Please paraphrase the sentences.1. U
5、p to one half of the population was lost to the Black Death.up to : lose sth to sth/sb: _2. Meanwhile, governments worldwide have also underlined the fact that thorough and systematic medical research on Bird Flu needs to lead to a cure as soon as possible.Meanwhile:Underline_(四) 总结归纳(五) 巩固反馈Finish the exercise.2
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