高二英语 U21 Human Biology Lesson3学案 北师大版选修7

Module 7 Unit 21 Lesson 3 Epidemics Explained Epidemics throughout history (Period 1)1. Identify the structure of the Problem-Solving discursive essay.1.___________________________________________________2.___________________________________________________3.___________________________________________________4.___________________________________________________2. Take down the key words that can help you tell the causes and effects of the killer epidemics. Assignments：1. Read the text again and 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. 用心 爱心 专心Name of the epidemicsTimePlaceCauses & EffectsBird Flu1997— worldwide,take ﹥100 livesJustinian Plague (贾斯廷瘟疫 )500-550ADNorth Africa, the Middle East, Europe the Black DeathStarted in Asia, Europe, Africa, the Middle East1918Similar as the Black DeathSARSChina, Canada, Vietnam, Singapore Hong Kong,---1_________ was attempting to 7.____________ the Roman Empire. This epidemic 8._________ through North Africa, the Middle East and Europe. It is supposed to 9.__________ up to 50% of the area’s population and thus led to the fall of 10.__________________.The SARS epidemic appeared in 2002, as it was completely new, there were no 11___________ drugs or 12.______________ to treat it and doctors were not sure how to prevent it either. However, ever since then, 13.__________ have been done on 14. _____________ to prohibit any further 15.__________. Thanks to modern technology, medical workers all over the world are able to work together without pause to help put SARS 16. _________ us. 2. Page 86 Focus on reading1. epidemics 2. the Black death 3. the Spanish Flu 4. Bird flu 5. on record 6. emperor 7. rebuild 8. swept 9. to have killed 10. the Roman Empire 11. prescription 12 tablets 13. trials 14. treatment 15. outbreaks 16. behind用心 爱心 专心2