必修5 unit1 精读课.pptVIP

精读课 Intensive reading 问卷调查 1、单词表里的词汇需要老师领着读。 2、课后需要听录音。 3、课文里的单词不认识的多，需要告诉意思。 4、课文里的部分句子需要翻译。 5、课文里的句子需要全部翻译。 重点句子翻译 看来水是罪魁祸首。 第二种看法是人们在吃饭时把这种病毒引入体内的。 在伦敦的另一个地区，他从两个与宽街爆发的霍乱有关联的死亡病例中又发现了有力证据。 每次爆发霍乱时，就有大批惊恐的百姓病死。 人们不知道它的病源，也不了解它的治疗方法。 第一段 Attend ….as Personal physician He thought about helping ordinary people exposed to cholera. The deadly disease of its day. Neither cause nor its cure was understood. Thousands of terrified people died every time there was an outbreak. Face the challenge and solve this problem. He knew that cholera would never be controlled until its cause was found. 第二段 He became interested in two theories that explained how cholera killed people. The first suggested that cholera multiplied in the air. Dangerous gas floated around until it found its victims. People absorbed the disease into their bodies with their meals. The disease attacked the body and the affected person died. 第三段 Snow suspected that the second theory was correct . Begin his enquiry The cholera outbreak was so severe that more than 500 people died in ten days. He was determined to find out why. 第四段 He marked on a map the exact places where all the dead people had lived. He made further investigations. It seems that the water was to blame. 第五段 The source of the water for these two streets. It came from the river polluted by the dirty water form London. Tell the astonished people to remove the handle from the pump 第六段 He found supporting evidence from two other deaths that were linked to the Broad street outbreak. A woman, who had moved away from Broad Street, liked the water from the pump so much that she had it delivered to her house every day. With this extra evidence John was able to announce with certainty that polluted water carried the virus. 第七段 John suggested hat the source of all the water supplies be examined. The water companies were instructed not to expose people to polluted water any more. * *