人教版（新课程标准）必修2Unit 3 Computers学案（有答案）

Unit 3　Computers Part 1　清单式背诵———主干知识一遍过 1.calculate vt.计算；估计；推测 calculate on (＝rely/depend/count on)指望；期待 calculator n.计算器 calculation n.计算；估算 2.simplify vt.简化；使简明 simple adj.简单的；朴素的 simply adv.简单地；仅仅(merely/just/only) simplification n.简化 eg. (辽宁卷书面表达)We can go running, play ball games or simply take a walk after a day’s study.　经过一天的学习，我们可以跑步、打球或只是散步。 【联想】　后缀－ify的动词： beautify 美化；purify 净化；modify 修改；修饰； classify 分类；horrify 使恐惧 3.sum n.总数；算术题；金额vt.总计，概括 vi.合计 in sum 总而言之 a large sum of 一大笔；大量的 sum up 总结，概括 eg. They donate a large sum of money to the Red Cross every year. 他们每年都向红十字会捐献大笔的钱。 4.solve vt.解决；解答 solve a problem 解决一个问题 solution n.解决办法；处理手段 a solution to (doing) sth (做)某事的解决方法 eg. With COVID－19 spreading quickly，scientists have tried many ways to solve this problem.　随着新冠病毒的迅速传播，科学家们已经尝试了许多方法来解决这个问题。 5.reality n.真实；事实；现实 in reality 事实上；实际上 turn...into reality 把……变成现实 become a reality 成为现实 eg. (四川卷书面表达)In reality, different students have different learning habits, which I think influence their learning efficiency greatly. 事实上，不同的学生有不同的学习习惯，我认为这对他们的学习效率影响很大。 6.as a result结果 as a result＝as a consequence 结果，因而 as a result/consequence of 由于；作为……的结果 result from 因……引起 result in 导致；致使(lead to) eg. (2020·新高考卷Ⅰ)When Mrs.Meredith heard of John’s idea，she thought it was a good one，too.As a result，they went to the local supermarket together. 梅雷迪斯太太听说约翰的主意后，也认为是个好主意。结果，他们一起去了当地的超市。 【联想】　表示“由于”的常用短语还有： thanks to，because of，due to，owing to，on account of 7.total adj.总的；整个的 (whole) n.总数(sum)；合计 v.合计；总数达(add up to，sum up) a total of 总数为 in total＝in all 总计；总共 totally adv.完全地；整个地 eg. (2022·南京模拟)On July 8, 2017, eight members of a family in total, were enjoying an evening together at the beach in Panhandle, Florida. 2017年7月8日，一个家庭共有八名成员在佛罗里达州潘汉德尔的海滩共度良宵。 8.application n.应用；用途；申请 have a wide application in... 在……中得到广泛应用 a job application 求职申请 fill in/out an application(form) 填写申请(表) make/submit/put in an application (to sb for sth) (向某人)申请(某物) eg. (全国卷Ⅰ书面表达)My application and resume have been prepared and I sincerely hope you can help me polish them.(求助信) 我的申请表和简历已经准备好了，我真诚地希望你能帮我润色一下。 9.goal n.目标；目的；球门；(进球)得分 get/make/score a goal 进球 achieve/attain/reach one’s goal 实现某人的目标 10.signal vi. & vt.发信号；示意(indicate) n.信号(sign，mark) signal to sb 向某人示意或发信号 signal (to) sb to do sth 示意某人做某事 signal (to) sb that... 示意某人…… give/send a signal (to sb) (向某人)发信号 a traffic signal 交通 ... ...