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1、Unit 9 Lesson 3 Epidemics ExplainedTheme: Reading Time Arrangement: 3 periods Learning Objectives: 1. I can master some important words and phrases in the context;2. I can make and confirm guesses based on a general underdtanding;3. I can read for general information and specific information about e
2、pidemics:4. I can notice the organizational structure of a passage and search online for information and present findings to the class.Learning process: 课前预习，发现问题【预习评价】Do you know the following words and phrases after the preview?1.在短时间内_ 2. 和.接触_ 3.将.分类_ 4. 一定数量的_ 5. 与sth相反_ 6. 创造一个更美好的未来_ 7. 详细叙述_
3、 8. 有记载/记录的 _9. 度过/熬过困难时期_ 10.构成威胁_ 11. 感染率 _ 12.在.的过程中_ 13. 作为.的结果 _ 14.导致 _15. 从.中康复过来_ 16. 查明/发现_17. 提出/想出_ 18.在全球范围内_19. 媒体报道 _ 20.将和相提并论 _第一课时 课中学习，生成问题 I. What do you know about epidemics? Tick the statements that you think are correct. An epidemic is the rapid spread of an infectious disease.
4、 An epidemic can affect a large number of people in a given population. An epidemic can occur within a short period of time, usually two weeks or less. An epidemic may spread to several countries or continents. Some common viruses, such as the common cold, are not epidemics. A new epidemic can be a
5、different variation of a virus that people caught in the past.II.Read the passage quickly and answer the questions.1. What is an epidemic?2. How can a disease be classified as an epidemic?III.Read the passage again and find all the epidemics mentioned in the passage. IV. How does the passage develop
6、?A. In order of time B.In order of spaceC. In order of logicD. In order of placeV. Read the passage carefully. Complete the table of Exercise 3 on page 60.VI. Use a diagram to demonstrate in a logical way how the aspects of information are organised.(Exercise 4)Work in groups and discuss the questio
7、ns. 1. What are the main features of an epidemic? Give at least two examples to illustrate your points.2. What should different countries do to prevent outbreak of epidemics in the future? Why?3. Who do you think the passage is written for?4. What does the title mean to you? What does the writer wan
8、t to convey in the passage?第二课时 Language pointsLearning Objectives：1.I can master some important words, phrases and analyse some difficult sentence structures;课中学习：Learn the language points and finish the exercises.课后练习：一、填空1.I dont like to define my work as a daily routine, which can be very d_.2.I
9、 watched them leave and then drove off in the o_ direction.3.The books in the school library are c_ according to subject.4.Restaurants can offer a choice of music along with the v_ food choices on the menu.5.Opinions on this matter vary _ person to person.6.I need to have a chance to get my head tog
10、ether and think _(彻底) everything.7.Take two coloured pens and _(在之下画线) the positive and negative words.8.Sorry, Madam, I have _(低估) you as I didnt know your background.9.Anger is _ (很少) looked upon as a beneficial character trait， and is usually advised to reduce it.10.Of course， our brains can decl
11、ine as we grow older for lots of reasonsincluding other environmental influences or genetic _(因素).二、七选五 Not long ago, no one understood that infectious diseases were caused by tiny organisms that moved from person to person. Even now, although we know that tiny living microbes cause disease, how the
12、y do so is not always obvious._ They can also be transmitted through our skin through insect or animal bites. The best way to prevent infections is to block pathogens(病原体) from entering the body. The first line of defense is to keep germs at bay by following good personal health habits. Wash your ha
13、nds well. You probably wash your hands after using the bathroom, before preparing or eating food, and after gardening or other dirty tasks._ Wet your hands thoroughly. Lather(起泡沫) up with soap or cleanser, and rub it into the palms and backs of your hands and your wrists. Be sure to clean your finge
14、rtips, under your nails and between your fingers. Wash under running water. _ Whether you are young or young at heart, getting vaccinated(接种疫苗) is an essential part of staying healthy._ such as a temporarily sore arm or low fever, they are generally safe and effective. Vaccinations are essential if you are to avoid getting sick. In general, children should receive the recommended childhood vaccina
