unit 1 life on mars
二、教学内容： unit 1 life on mars
1) every student will have a computer at home connected to an interplanetary network.
2) compared with life on earth, life on mars will be better than life on earth in many ways.
3) there will be various designs for settlers to choose from.
step 1 pre-reading 用时： 分钟
t: hi, everyone! glad to meet you .welcome to unit 1 reading.( 同学们,你们好.今天我们来学习unit 1 阅读 )
t: everyone knows that chang’e ⅰ has been launched into space lately.人人知道最近嫦娥一号被发射到太空. that’s really exciting . it can help us to know more about moon. do you want to live on moon or some other planets ? we are used to living on earth, but some people are thinking about moving to other planets. why ?let’s look at some pictures first. (ppt)
part one lead-in
t: what can you find from the pictures?
----what problems does earth have ?
t: the pictures show that earth has two problems :one is the large population ( it’s crowded ), the other is the serious pollution ( it’s polluted).
t: now earth is crowed and polluted. what shall we do ? some scientists say there is a better world—mars. do you know the planet mars? and before we start to read the article mars. let’s have a look at these new words first.
part two pre-reading
t: please fill in the blanks with the correct words according to the whole sentence and the english explanation in the brackets. (请根据句子含义及括号内的英语解释填入所缺单词) (ppt)
t: ok. let’s check the answers together.
1. a large body in space that moves around the star, e. g., the sun means planet.