(
课件网) Module 3 Unit 2 We haven’t found life on other planets yet. planet solar system also none environment air grow (grew, grown) n. 行星 太阳系 adv. 也;同样 pron. 没有一个 n. 环境 n. 空气 v. 生长; 种植 Words and expressions part galaxy billion universe light beyond alone n. 部分 n. 星系 num. 十亿 n. 宇宙 n. 光线；电灯 prep. 在……之外 adj. 孤单的，孤独的 Words and expressions Discussion Earth Mars No life lives on it. It doesn’t have an environment with air.(no air) It is a planet. It has life (people,animals,plants and other things) on it. The life has been there for millions of years. It is a planet, too. Discussion 1. How many planets are there in the solar system 2. Is there any life on other planets solar system planets the Sun the Earth Mars To know about the solar system: Earth sun planets Solar system galaxy universe A. galaxy B. planet C. solar system D. star E. universe Match the words with the pictures. A B C D E B Put the words in the box in order small → large. galaxy, planet, solar system, star, universe planet star solar system galaxy universe 3 Read the passage and choose the best title. 1. Anyone out there 2. Life on Earth 3. Our solar system 4. The stars at night 1. We haven’t found life on other planets yet. 我们在其它星球上还没有发现生命。 the other (s)与other (s)的区别： (1) the other与other后可加名词; the others与others后不加名词； (2) the other (s)表示一定范围内除去一部分以外后其余的全体；other (s)表示除去一部分以后的另一（些），但不是剩下 的全体。 One flower is red, the other (one) is white. 一朵花是红的，另一朵 (花) 是白的。 Give me some other apples/others, please! 请另给我一些（苹果）吧！ 2. However, no one has discovered any life in space yet. 然而,还没有人发现太空里的任何生命。 no one与none的区别： (1) no one同义词为 nobody, 只用于指人，其后不跟of短语，作主语时谓语用单数，no one 只能回答以who开头的问句； (2) none用于表示对三者或三者以上全部否定的不定代词，既可指人，也可指物。 作主语时，谓语可以是单数，也可以是复数; none的反义词是all, none可与of连用; 可以用来回答How many 或 How much开头的问句。 None of us are/is interested in the story. 我们没有人对那个故事感兴趣。 -Who are you speaking to 你在跟谁讲话？ -No one. 没人。 -How many students are there in the room 房间里有多少个学生 -None. 一个也没有。 3. …are we alone, …？ ……我们是唯一的吗？…… alone与lonely的区别： (1) alone既可作形容词，又可作副词,意为“单独地，独自地”，没有感彩。 (2) lonely只作为形容词，意为“孤独的，寂寞的”，具有感彩。 He was very lonely after his wife left. 他妻子离开后，他很孤独。 4. prefer life on Mars 更喜欢火星上的生活 prefer表示“更喜欢”，相当于like…better。 (1) prefer to do “更喜欢做某事”； “宁愿做……” (2) prefer…to… “比起……更喜欢……” prefer...to后要跟名词、动名词； I prefer reading books to watching TV. 比起看电视我更喜欢读书。 (3) prefer to…rather than do sth… “宁愿……而不愿……” They prefer to buy a new car rather than repair it. 他们宁愿去买一辆新车， ... ...
