Unit 4 Amazing Science Welcome to the unit Topic 1 Spaceships are mainly controlled by computers Section A New words hero 英雄，勇士，男主角英雄，勇士，男主角 launch 发射发射 spaceship 宇宙飞船宇宙飞船 prove 证明证明 lunar probe 月球探测器月球探测器 New words manned 载人的，由人操控的 send up 发出，发射 legend 传说，传奇故事 astronaut 宇航员 mankind 人类 Teaching aims and demands 1. Learn some useful words and expressions: point to, hero, prove, achieve, send up. All of you must be proud. It shows we have dreamed of exploring space for thousands of years. 2. Lear
