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Every year, large numbers of tourists ______ (come) to visit Beijing.
There will be no _________ (pollute)on Mars.
The news made her ____ (feel) sad.
_______ (science)are working hard to make the dream become true.
Keys: crowded, come, pollution, feel, Scientists
Step 2 Presentation
1. carry out 开展，执行
e.g. No matter what difficulty you will meet with, carry out your plan.?
不管你遇到什么困难，都要执行计划。
2. percentage n. 百分率，百分数
e.g. Percentage of students who would like to move away from the earth is 50%.? 想要搬离地球的学生数的百分比是50%。
3. disadvantage n. 缺点，不利条件
e.g. The disadvantage of living on Mars。 住在火星的缺点。
4. risk n. 风险
e.g. I’m not sure if it’s worth the risk.我不确信是否它值得这个风险。
5. after all 毕竟
e.g. After all, people have already been to the Moon. 毕竟，人们已经去过月球。
Step 3 Practice
A1. 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. Help Sandy make notes of it.
Survey carried out in: Schools in Sunshine Town
Day:
Channel:
Name of programme:
Time:
Percentage of students who would like to move away from the Earth:
Keys: Friday evening, Sunshine TV, Moving to Mars, 7:30 to 9:00 p.m. 50%
A2. Sandy is watching the TV programme. She wants to write down the important points. Listen to the discussion and help her complete her lists.
Advantages
1. It would be very interesting.
2. We could study at ____________.