Unit 4 Topic 1重难点知识归纳总结2021-2022学年仁爱版英语九年级上册.docx

1、仁爱版英语九年级上册 Unit 4 Amazing ScienceTopic 1 When was it invented?【重点单词】1.rocket /rkt/ n. 火箭2.metal /metl/ n. 金属3.satellite /stlat/ n. 卫星4.spaceship /spesp/ n. 宇宙飞船5.lock /lk/ n. 锁 v. （用锁）锁上，被锁住6.laptop /lptp/ n. 手提电脑7.digital /ddtl/ adj. 数码的，数字的8.bulb /blb/ n. 电灯泡9.airplane /eplen/ n. 飞机10.hard-wearing

2、 adj. 耐磨的11.Korea /kr/ n. 韩国；朝鲜12.invention /nvenn/ n. 发明, 创造13.list /lst/ v. 列清单，把列表 n. 名单；目录；清单14.crayon /kren/ n. 彩色铅笔（粉笔、蜡笔等）15.thought /t/ n. 想法，看法，主意16.brainstorm /brenstm/ v. 集思广益，动脑筋17.evaluate /vljuet/ v. 估值，评价，评估18.detailed /diteld/ adj. 详细的19.redesign /ridzan/ v. 重新设计20.imagination /mdnen

3、/ n. 想象力；想象21.balloon /blun/ n. 气球；热气球22.gun /n / n. 枪，炮23.robot /rbt / n. 机器人24.keyboard /kibd/ n. 键盘25.explorer /ksplr(r)/ n. 探险者，勘探者26.mark /mk/ n. 标示；记号；符号 v. 做标记，做记号27.system /sstm/ n. 体系，方法，制度28.man-made adj. 人造的；非天然的【重点短语】1.be (not) allowed to do sth. （不）被允许做某事2.spend time on sth. 把时间花在某物身上3.

4、be made of 由制成4.be made from 由制成（看不出原材料）5.be used for doing sth 被用来做某事6.send.into. 把送入7.some day 将来有一天e true 实现9.lock the door 锁门10.more than 超过11.in many ways 在许多方面12.make a model 制作模型13.do research 做研究e to the idea 想到这个主意15.look like 看起来像16.as long as 只要【重点句型】1.Its bad for your health if you spend

5、 too much time on them.如果你花太多时间在它们身上，对你的健康有害。2.Its made of medal.它是由金属制成的。3.Its used for sending satellites or spaceships into space.它被用来发射卫星或宇宙飞船进入太空。4.I wish I could go into the space some day.我希望有一天我能进入太空。5.I hope your dream will come true.我希望你的梦想会成真。6.Its said that he invented morn than two thou

6、sand things during his life.据说他一生中发明了两千多种东西。7.You can have wild and crazy thoughts.你可以有疯狂的想法。8.Make a detailed drawing of your invention so others will understand how your invention works.为你的发明画一张详细的图，这样别人就会明白你的发明是如何工作的。9.Using the stars, they could find out where they were and in which direction th

7、ey were going.通过星星，他们可以知道自己在哪里，往哪个方向走。10.This method worked well at night as long as the weather was good and the stars could be seen.只要晚上天气好，能看到星星，这种方法就很有效。11.We can use it at any time, in any place and in any weather to find out our position.我们可以在任何时间、任何地点、任何天气使用它来找出我们的位置。12.The GPS is a great invention that helps us explore our planet and discover where we are.GPS是一项伟大的发明，它帮助我们探索我们的星球，并发现我们在哪里。