人教版英语必修五unit1Language_points.ppt

牛刀小试 完成句子 (1)我一见到你就认出是你。 I recognized you ____________________. 答案：the instant I saw you (2)他到达的当天便去拜访了他的老朋友。 He called on him __________________. 答案：the day he arrived (3)他们每次见面都会谈论很长时间。 ______________________ they would talk long hours together. 答案：Each time they met 16 (1)The first suggested that cholera multiplied in the air. 第一种看法是霍乱病毒在空气中繁殖。 (2)To prevent this from happening again，John Snow suggested that the source of all the water supplies be examined. 为防止这种情况再度发生，约翰·斯诺建议所有水源都要经过检测。 品味经典 ①Her pale face suggested that she was ill. 她苍白的脸表明她生病了。 ②All of them suggested that the work should be started at once.他们建议立刻开始工作。 自我探究 句(1)中的suggest意为“暗示；表明”，其后所接的宾语从句不使用虚拟语气，要用陈述语气。 句(2)中的suggest意为建议，其后的宾语从句使用虚拟语气，即谓语动词用“should＋动词原形”，其中should可省略。 牛刀小试 用所给动词的适当形式填空 (1)I suggest that you ________ (phone) the teacher before you leave. (2)I suggest ________(talk) to a lawyer before you do anything. (3)All the evidence suggests that the problem ____________(improve) in recent years. 答案：(1)(should) phone　(2)talking　(3)has improved JOHN SNOW DEFEATS “KING CHOLERA” John Snow was a famous doctor in London－so expert，indeed，that he attended Queen Victoria as her personal physician.But he became inspired when he thought about helping ordinary people exposed to cholera.This was the deadly disease of its day.Neither its cause nor its cure was understood.So many thousands of terrified people died every time there was an outbreak.John Snow wanted to face the challenge and solve this problem.He knew that cholera would never be controlled until its cause was found. 译文助读 He became interested in two theories that possibly explained how cholera killed people.The first suggested that cholera multiplied in the air.A cloud of dangerous gas floated around until it found its victims.The second suggested that people absorbed this disease into their bodies with their meals.From the stomach the disease quickly attacked the body and soon the affected person died. John Snow suspected that the second t