外研版八年级下册英语课件M3-U1.ppt

6. So have they discovered life on Mars? 他们在火星上发现生命了吗？ invent, find与discover的区别： ① invent意为“发明”，指经过认识和实 践创造出前所未有的事物； ② find意为“发现，找到”，指对某种事物的寻求，也指找到（丢失的事物）； ③ discover表示“偶然或经过努力发现客观存在的事物、真理或错误” 。 Edison invented the electric light bulb. 爱迪生发明了电灯泡。 Columbus discovered America but he did not explore the new continent． 哥伦布发现了美洲，可是他没有去探索这个新大陆。 I’m looking for my pen but I can’t find it. 我正在找我的钢笔，但找不到。 Listen and underline the words the speaker stresses. I’ve just made a model spaceship for our school project. I haven’t started yet because I’m not sure how to make it. Has it arrived yet? Astronauts have already been to the moon. Now listen again and repeat. Make lists of what we have and have not done in space travel. We have… ____________________________________________________________________________________ We have not… ____________________________________________________________________________________ A dog has travelled in space. Men have travelled to the moon. … We have not built houses in space. Astronauts have not been to Mercury. … Work in pairs. Talk about space travel with the lists in Activity 6. Have you sent a spaceship to Mars? Yes, we have. But… 1. What are you up to …? 2. Sure, no problem. 3. I’ve just made a model spaceship for our school project. 4. Has it arrived yet? 5. Astronauts have already been to the moon. 本课时主要句型 课后回顾 already earth latest model just 1.用方框中所给介词或副词完成下列句子。 1. I have known the _______ news about my favourite film star. 2. The ______ is our home. We must take good care of it. latest earth 3. Mike has _______ worked in Beijing for several years. 4. — What do you like to do when you are free? — I like to make car ______. 5. The boy has _______ had lunch. He isn’t hungry now. already model just 2. 用方框中所给词完成下列句子。 about, on, back, for, of 1. Tian Tao has came ____ from Beijing by plane. 2. I hope that I can live and work ____ the moon one day. 3. Danny, how do you feel _____ t