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the Earth
Mars
a better world
crowded
polluted
*
If it is possible, would you like to live on Mars?
Let’s make a survey!
From the survey, we can know the percentage of the students who want to live on Mars is_________.
百分比
*
carry out
[p?'sent?d?] percentage
[d?s?d'vɑ?nt?d?]
disadvantage
[r?sk]
risk
after all
开展；执行
n. 百分率；百分数
n. 劣势，缺点，不利条件
n. 风险，危险
毕竟
Task 1
*
Daniel wants to live on Mars in the future.
However, Sandy is still not sure if she would like to.
This week, there is a TV programme on this topic .
Listen to the preview (预告). Help Sandy make notes of it.
Task 2