Module 3 Unit 2第二课时课件2022-2023学年外研版英语八年级下册

M3 U2 Language Points 亿万年 There be 有..... There has/have been 已经有 科学家认为地球上已有生命亿万年了。然而，我们还没有在其他任何星球上发现生命。 for +一段时间 具体数字+hundred hundreds of 主 think (that) +宾语从句 other +n.复 其他的.... the other 两者中的另一个 others 其他人/东西 another (三者以上或不知数量) 另一个 Lenovo (L) - We planted _____ trees last year. A. hundreds of B. hundred of C. five hundreds D. five hundred of For+时间段，表示一段时间（现在完成时）提问疑问词组用how long I _______ ________(live) here for 23 years. We ________ _______ (learn) English for five years. have lived have learned/learnt 地球是一个行星，围绕太阳运行。其他七大行星也围绕太阳运行。没有一颗行星拥有像地球一样的环境。所以科学家认为在其他行星不会发现生命存在。太阳和它的行星叫做太阳系。我们的太阳系是更大群星里的一小部分。这个群星叫银河系或银河。银河系里有数十亿颗恒星，我们的太阳只是其中一颗。 围绕...转 作主语，谓语三单形式 指代environment None of them has an environment like that of the earth, so scientists do not think they will find life on them. 被叫做 ....的一小部分 银河系 恒星 2）注意：none 与no one（nobody） 的区别： 如：_______ of the reasons was true. A. None B. No one C. All (3) 提问方式 -Who are you speaking to? -_________. -How many students are there in the room? -_________. A No one None 1）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 that是指示代词。为避免重复，可用 that 或 those 来代替前面已提到过的人或事物； The air in the countryside is fresher than _________in the city. The streets in the city are wider and the buildings are taller than ________ in the county. The environment is much cleaner than ________ in the city. The population of Shanghai is much larger than ______ of Nanning. that those that that adj./adv.+enough enough + n. communicate with sb. talk to sb. (1) 我们有足够的钱花。 We have ___________________________. (2) 他跑得够快，很快追上了我们。 He ran ________________ catch up with us soon. (3) 他年龄不够大，照顾不了自己。 He _______________________________________. 3. However, no spaceship has traveled far enough to reach other stars in our Galaxy. 然而，没有一个航天器去到足以到达我们银河系其他恒星那么远的地方。 (1) 我们有足够的