八年级英语上册Module2ScienceandtechnologyUnit3ComputersReading2(新版)牛津深圳版案例.ppt

monitor speaker main unit keyboard mouse brain speed railway 显示器 扬声器 主机 键盘 鼠标 脑 速度 铁路 type control depend calculate operate 打字 操纵、控制 依靠、依赖 计算 操作、控制 work as (be) unaware of depend on in addition 从事… …工作 没意识到，未察觉 依靠 除……以外（还） In the 1940s, the first computers were bigger than cars. in the 1940s 在20世纪40年代 In the 1940s, the first computers were bigger than cars. the first computers 第一批 the first + n.单 第一个…… the first + n.复 第一批…… 1. In the 1940s, the first computers were bigger than cars. bigger 比较级 big-bigger-biggest small-smaller-smallest wide-wider-widest happy-happier-happiest beautiful-more beautiful-most beautiful good/well-better-best bad/badly-worse-worst many/much-more-most 2. You may be unaware of them. aware adj.意识到的,知道的,觉察到的 be aware of 对…有意识 他对自己的错误有所意识。 He is aware of his own mistakes. 吸烟者都知道吸烟对自身健康的危害。 Smokers are aware of the dangers to their health. 2. You may be unaware of them. aware-unaware unaware adj.不知道的，未察觉到的 be unaware of 对……未察觉 他对整件事情一无所知。 He was completely unaware of the whole thing. 我并不清楚我们所面临的困难。 I am unaware of the difficulties we face. 3. You depend on computers more than you realize. depend v. ---- dependent adj. depend on = be dependent on 我们的成功依赖于你们的支持。 Our success _______ ____ your support. = Our success ____ ________ ____ your support. independent adj.独立的– independently adv. 3. You depend on computers more than you realize. more than 超过，多于 less than 不足，少于 realize v. 了解，意识到 我们没有意识到这个问题的重要性。 We didn’t realize the importance of the problem. 4. They can calculate at a faster speed than we can and almost never give wrong answers. calculate v. 计算 calculation n. 计算 calculator n.计算器 请用你的计算器计算一下他的计算结果。 Please use your calculator to calculate the result of his calculation. 4. They can calculate at a faster speed than we can and almost never give wrong answers. at a faster speed