2018-2019学年英语人教版必修3课件:Unit 4 Section Ⅰ Warming Up Reading — Pre_reading

2024-05-11 12:47 来源: 高考学习网 本文影响了:908人

If you watch the sky about an hour after the sun goes down, you may see some “moving stars”.But they're not real stars.They are man­made satellites.And the biggest of all is the International Space Station (ISS国际空间站).

请选择下载
相关下载
各年级视频辅导入口