9b  Unit 1 Life on Mars  Welcome to the unit 導學案

t: well, you really did a good job today. from the reading we know that life on mars is very different from that on earth. please compare these differences and fill in the form below (ppt)t: have you finished now? let’s check the answers together.step 3 post-reading    1. fill in the blanks (ppt)       earth todaymars in 2100polluted and crowded1spacecraft are slow.2gravity is not a problem for us.3people can wear many types of shoes.4people do not have much space.5we take exams at school.6we have many kinds of food with different tastes .7keys:1) clean and has lots of space2) space shuttles travel at half the speed of light.3) only about three-eighths of the gravity that we have on earth4) people wear special boots.  5)people live in a dome with 10 bedrooms.6) we take exams in online schools.7) meals are just pills. t: congratulations! you’ve got all the right answers. you know every ‘coin has two sides’. here are some good points and bad points of living on mars. we call the ‘good points’ “advantages” and ‘bad points’ “disadvantages”. please look at the screen and fill in the right words. t: ok? let’s check the answers now. advantages  ※ it’s not _______or________.※ the  ________ is more convenient .  ※ people will wear special _____※ people will have ______space.※ ______ will do most of our work.※ we’ll have more time for_______.※ students will study in ______ schools.keys:1 crowded  polluted    2 transport  3 boots  4 more   5 robots   6 hobbies   7 onlinedisadvantages： ※ low _______ will be dangerous.※ food does not taste _____.※ space travel make people feel ________.※ it’s too ___to stay outside.※ it’s too ____ away from friends on earth.keys:1 gravity 2 good 3  ill/sick  4 cold  5 fart:  now would you please open your books at page 11 of the students’ book. please complete exercise c1 on page 11 t:  .have you finished them? let’s check the answers. (ppt)keys:1  a 2 b 3 c 4 c 5 b 6 b 7 a 8 bt: well done, you’ve remembered so much about mars. do you have any difficulties while reading? let’s look at some sentences together.step 4 explain some important sentences 1  there will be various designs for settlers to choose from. 將有許多種設計可供移居者選擇。to choose from …“從……中挑選”。 e.g.  我有很多雙鞋子可以選擇，但我決定不了選哪雙。