Unit 3 Life In The Future A changingchanging world hard poor betterhappier Currencyingotcopper-cashsilver ingotcredit...
•calculator(n.)calculate(v.)•operator(n.)•designer(n.)design(v.)•analytical(adj.)analyze(v.)analysis(n.)•simplify(v.)simple(a...
Unit3InventorsandinventionsWarmingUpPre-reading,Reading---教案TeachingGoals:1.Tolearnaboutthedifferencebetweenadiscoveryandaninven...
