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冀教版九年级知识点总结Unit5:look into science 一、Key words（重点单词）: 1.experiment. n.实验，试验 . 2.correct. adj.正确的 .(=right=true) v.纠错，改错 . 3.science. n.科学 . scientist. n.科学家 . scientific . adj.科学的 . 4.method. n.方式，方法 . 5.force. n.力量 . v.迫使，强迫 . 6.match. n.火柴 ,比赛 . v.搭配，相配 . 7.unless. conj.除非，如果不 . 8.double. n＆adj.两倍，两倍的 .9.fantastic. adj.奇异的，了不起的 10.general. adj.一般的 . 11.twins. n.双胞胎 . 12.repeat. v.重复，复述 . 13.grandson. n.孙子 . 14.granddaughter. n.女儿 . 15.instruction. n.指示，说明 . 16.suggest. v. 建议 . 17.development. n.发展 . 18.mobile phone. n.移动电话 . 19.discovery. n.发现，发展 . 二、key phrases（重点短语）: 1.scientific method. 科学方法 . 2.use up.用光，用完 . 3.be made up of.由 组成。 4.at night.在夜间，在晚上 . 5.even if.即使，纵然 . 6.in general.一般而言，通常来说 7.be related to.与 相关 . 8.billions of. 数十亿的，大量的 . 9.in place.原地，在适当位置 . 三、Grammar( 语法 ). 定语从句：who(指人 )；which( 指物 )；that(既可指人又可指物 eg: I have a friend who likes playing football. He gave mea bag which was full books. 备注：当引导词前面的时候，只能用 that. 人 /物被形容词的最高级、序数词 修饰的 She is my bestfriend that I have. She is the first girl that I want to meet. 四、Writing（写作） As time goes by, there are going to be big changes in our everyday lives. For example, cars are going to drive us to places without a driver. We’re going to travel to space by spaceship easily.We can talk to people on small telephones that we can wear like a watch. If we are free, there are cities under the sea or space station to visit. What about meals?It is easy, taking one pill is OK. 
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