Reading(1) helmetastronautsMars山谷和溪流证实火星上曾存在水
It may be difficult to imagine, people will live on the planet Mars
by the year 2100Task 1:Read the book and answer the following questions Why do people need to move to Mars
What form will the food probably be in space
How will students study, do their homework and take exams on Mars
Will space travel make people feel ill
What is the virtual teacher called
Earth is becoming more and more crowded and polluted
The food probably will be in the form of pills
They can study, do their homework and take exams in online schools
The virtual teacher is called e-teacher
Task 2 : What will the life be like
Transport Food, water and airGravity spacecraft space shuttles…too slow to carry ……take only a very short time…plants will produce …It is not