外研版八年级下M3U2 We have not found life on any other planets yet.ppt

none of … 表示（三个以上）一个也没 有。做主语时，谓语动词可用单数或复数。 e.g. None of us _______ interested in the story. 我们中没有人对这个故事感兴趣。 None of us ________ been to the Mars. 我们中没一个去过火星。 is / are has/have 4. … and our solar system is a small part of a much larger group of stars and planets, called the Galaxy or the Milky Way. ...... 我们的太阳系只是一个由恒星和行 星组成的星系的一小部分，这个星系 比太阳系大得多，称作银河系或银河。 这里的the Galaxy专指“银河系”，也可以称作the Milky Way。而galaxy则泛指“星系”。 5. So how large is the universe? It’s impossible to imagine. 所以宇宙有多大？我们无从想象。 句型: It is + 形容词+to+动词原形， 意思是“做某事很……”。 e.g. __________________ these words. 读这些单词很难。 It is difficult to read 6. …With so many stars in the universe, are we alone, or is there life out there in space? 宇宙中有这么多星球，我们是孤独的 吗？或者太空中还有其他生命存在呢？ with+名词+介词短语，表示伴随情况，意思是“带着……”。 e.g. Mr. Zhang is coming with a book in his hands. 张老师手里带着一书进来了。 alone在句中作形容词，不作定语只做表语，也可作副词。意思是“独自地”。 e.g. She was alone in that dark room. 她独自一人呆在那黑屋子里。 7. Why has no one communicated with us? 为什么没人和我们联系？ no one意为“没有人”，多用来指人。当它用作主语时，谓语动词要用单数形式。 e.g. No one came here yesterday. 昨天没人来这。 none可用来回答how many或how much的提问，no one可用来回答who的提问 e.g. —How many birds can you see in the picture? —_______. —Who is in the room? —________. None No one 请从括号内选择适当的一项填空，使句意 完整通顺。 1. —How many cakes are there in the fridge? —??_________ (None / No one). 2.?__________ (None / No one) writes to me but you. None?? No one M3U2----words [?nva?r?nm?nt] [s?st?m] [gru?p] [g?l?ks?] [ju?n?v??s] [la?t] [n?n] [s??l?] [?mpɑs?bl] [a?t] [k?mju?n?ke?t] environment n.环境 system n.系统；体系 group n.群；组 galaxy n.星系 universe n. 宇宙 light n.光线；电灯 none pron.没有一个 solar adj.太阳的 impossible adj.不可能的 out adv.在远方 communicate v.联系；交流 Astronauts have already been to the moon. Scientists have sent spaceship to Mars. The journey has taken several months. No one has been to Mars yet, because Mars is very far away, much farther than