coughfeverWhat are the symptoms of the flu?headachesore throattirednessMuscle Aches Breathing difficulties Chills and shivering Read the dialogue in 1a and find out what should we do to prevent the flu.Exercise often.Wash hands often.Open the widows.Keep our rooms clean.Don’t go to crowded places.1. among 作介词 , “ 在… 之中” ( 在三者或三者以上的人或物之间 ) between 一般指“两者之间” e.g. The young people lived and worked among the workers. What's the difference between the two words?Language points in 1a.2. hurry up 匆忙；慌忙 ; ( 使 ) 赶快，匆匆完成 e.g. Hurry up! We only have 10 minutes left. 3. go ahead 是口语中一个十分有用的表达。 它有三种基本用法。在课文当中 表示同意对方的请求，根据情况可译 为：说吧，做吧，开始吧，进行吧。 e.g. A: May I start? 我可以开始了吗 ? B: Yes, go ahead. 好，开始吧。 4. Spread 1) 使伸展 , 使延伸I spread my arms as far apart as I could. 我尽可能地将双臂伸展开。 2) 张开 ; 展开 ; 摊开Mom spread a new table-cloth on the table. 妈妈在桌上铺了一块新桌布。 3) 撒 ; 散布 , 传播 ; 普及 , 在课文中是这个意思She was told not to spread this secret around. 她被告知不要把这个秘密传出去。 5. 不定式短语 to prevent it 表示前面某个 行动的目的。如： Maria went back to Cuba to celebrate her birthday.6. build up 增进 He tried to build up his strength. 他试图增进体质。7. all the time 一直 ; 始终 Conditions are changing all the time. 情况在不断地变化着。 8. crowd n. 人群 There was a crowd of people in front of the town hall. 市政大厅前有一群人。 v. 拥挤 , 挤满 , 挤进 Passengers crowded the platform. 月台挤满了乘客。 crowded adj. 意为“拥挤的”。 9. keep away from 远离 ; 避开，不 接近，离…远远的 e.g. I told the children to keep away from the fire. 1c Work in group of four. Practice the dialogue in 1a and make similar dialogues according to it. You may use the information in Topic 1 and 2. 2 How can we prevent the flu? Look at the following pictures and write down some sentences, using ‘should’ ‘must’ and ‘had better’.
