Unit21 Human Biology导学案
Unit21 Human Biology
Lesson3 Epidemics Explained 导学案
编写人：王娜闫爽
学习目标：
一．知识与技能
1.能识记Lesson 3单词
2.能运用阅读策略准确理解文章并解决探究案
二．过程与方法
自主完成预习案—探究案—小组讨论协作—展示评价—总结归纳三．情感态度价值观
培养学生阅读兴趣，扩大知识面
预习案
一．掌握以下单词
1.城市的_______
2.重建_________
3.禁止_______
3.联合，团结________ 5.常规，惯例________ 6.预见________
7.强调________ 8.彻底的，细致的________ 9.症状_________
10.变化，变种_______ 11.系统化的______12.极相似处，平行线______ 13.彻底毁灭__________ 14.终止，消灭__________
探究案
1.Fast-reading (T) or (F)
①Flu kills millions of people every year. ()
②Most diseases are very new. ()
③Epidemics have affected historical events. ()
④It takes years for a disease to spread worldwide. ()
⑤Epidemics can wipe out up to half of the population in urban areas.( )
2.Read the text and put these events in correct order.
A．One of the earliest epidemics swept through North Africa, the Middle East and Europe in 500—550 AD.
B．Experts united to stop SARS spreading.
C．The Spanish Flu killed up to 50 million people in 18 months. D．Over nine months, the number of global cases of SARS passed 8,000 and 774 people died.
E．The Black Death spread in the 1330's in Asia.
2.Careful-reading
Fill in the blanks according to the text.
3.Summy
Epidemics throughout history
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 Africa, the Middle East and Europe. It is supposed 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.