unit 3 computers
1. calculate vt.
(1)计算，核算
e.g. the committee calculated the costs very carefully.
(2)估计
e.g. i calculate what it will cost.
(3)[美][口]以为；认为
e.g. i calculate all of them will come here.
(4)打算或计划做某事
e.g. this advertisement is calculated to attract the attention of children.
the loss has not yet been ____ accurately, but it is believed to be well beyond a hundred million dollars.
a. calculated b. consider c. completed d. controlled
2. compare v. & n.
(1)比较，对比
compare a with b 把a与b相比较 compare a to b 把a比作b
(2)vi. 与……类似、相似
compare with/to sb./sth. 比起某人、某物，与某人、某物相比
e.g. this school compares with the best in the country.
(3)独一无二的东西，举世无双
e.g. a diamond beyond compare
compare notes with sb.与某人交换看法（或意见等）
3.universal
(1)全世界的，共同的，全体的
e.g. agreement on this issue is almost universal.
(2)普遍存在的；广泛适用的
e.g. a universal problem
although i was young i could simplify difficult sums.
although引导让步状语从句。
4.simplify
a simplified text 简易读本
5. sum n. & v.
(1)n. [c]总数，总和
e.g. the sum of two and five is seven.
(2)n. [c]金额，钱数
e.g. it will cost an enormous sum to build the stadium.
(3)n.(pl.)算术题
e.g. tom is better at sums than i am.
(4)vt. & vi. 共计
e.g. sum up the figures
in sum总而言之 sum up总结，概括
6. before
(1)在……以前
e.g. he had left before i arrived.
(2)……之后才……
常用结构：it will be + 时间 + before +从句 多久之后才……
it will bot be + 时间 + before +从句 没过多久就会……
e.g. it will be three years before we meet again.
(3)（不久）就；还没来得及……就……
常见结构：it was(wasn’t) + 时间 + before + 从句
e.g. it wasn’t long before he returned from abroad.
7. artificial
(1)人工的；人造的；假的
an artificial flower/limb
(2)人为的；非自然的
e.g. an interview is a very artificial situation.
(3)虚假的；假装的
artificial emotion
8. intelligence智力，材质；消息，情报
e.g. use your intelligence.
secret intelligence
9. solve 解答；解决
辨析：
易混词 辨析 例句
resolve 表示决心；解决困难；分解等。 the conflict was resolved.
solve 主要表示解答难题等。 he has solved all the problems.
辨析：
易混词 辨析 例句
solve “解决”，侧重的是给出一个答案。 solve a mystery/a puzzle/difficulties/a problem
settle “解决”，其对象通常是某种争端。 settle an issue/an argument/a matter/a quarrel
10. from…on
from then/that time on从那时起 from now on从现在起
from… to…from morning to night
11. reality
辨析：
易混词 辨析 例句
reality “真实，实在”，指某事物的确存在。 the film showed life in the poor area with great reality.
truth “真实，真理”，指对人或事实而言。 this is an eternal truth.
12. share
share sth. with sb.
share sth. among/between sb.
share and share alike
13. application
apply 申请；应用
14. communication
(1)[u]交流，通讯
(2)[c]交通或通讯设备
15. finance n. & v.(finacial)
(1)n. 资金
e.g. finance for education
(2)n.[u]财政；金融；财务
e.g. the minister of finance财政部长 the finance director/department财务主任、财务科
(3)(finances)(pl.)（个人、组织、国家的）财力，财源，财务管理
e.g. buying the new house put a severe strain on our finances.
(4)v. 给……提供资金
e.g. he took a job to finance his stay in australia.
16.mobile adj. & n.
(1)adj. 非固定的，可移动的
e.g. mobile equipment a mobile shop a mobile hospital mobile home
(2)adj. 行动方便的，腿脚灵便的
(3)adj.易于变换社会阶层（或工作、住处）的，流动的
e.g. a mobile workforce
(4)adj. 多变的，易变的
e.g. she has a mobile face.
(5)n. 风铃，（可随风摆动的）悬挂饰物
17. explore vt.
(1)探测，勘察，探险
e.g. the oceans have not yet been fully explored.
(2)探究，仔细查阅
e.g. i’ll explore the possibility of getting a job here.
18. goal n.
(1)目标；目的
e.g. goals determine what you are going to be.
(2)进球；得分
e.g. get/make a goal
(3)球门
e.g. keep goal 守球门
achieve one’s goal kick a goal
19.provide…with…
e.g. they provided food and clothing for the homeless.
provide sb. with sth. = provide sth. to/for sb.
e.g. the sun provides us with light and heat.
provide against provide for sb.
辨析：
易混词 辨析 例句
provide “事先准备好”必需品来供应。
supply “补给不足”的人员或设备。 the company supplies tents to the deparment.
20.download
upload上传 search engine搜索引擎 log on/in登录，上线
log off/out注销，下线 chat room聊天室 click点击
21. in reality
in fact in actual fact as a matter of fact
22. give away
(1)捐赠，赠送，分送
e.g. he gave away most of his money to the charity.
(2)分发，颁发
e.g. the headmaster gave away the prizes at the school sports day.
(3)泄漏，暴露
e.g. give away the secrets
(4)丧失，失去
e.g. he gave away his fortunate.
23. consist
consist of 由……组成 consist in 在于 consist with 与……一致
e.g. our team consists of 11 members.
happiness consists in health.
由……组成 用被动语态：be made up of be composed of
用主动语态：consist of
24. advantage
(1)优势，有点
e.g. i had the advantage of him.(=i was in a better position than he was.)
(2)利益，好处
e.g. there will be no advantage in doing….
take advantage of利用 be of advantage to对……有利 to the advantage of sb.对某人有利
辨析：
易混词 辨析 例句
advantage 指在物质利益方面及竞争中所占的优势或有利条件。 there will be no advantage in wasting time.
profit 多局限于物或金钱的利益，指“利润”时，常用复数。 the bank did not make profits last year.
benefit 常用的词，可兼指物质和精神两方面的好处。 the new factory will be a great benefit to the town.
25. reason
the reason why… the reason for which…
e.g. i want to know the reason why he failed the exam.
26. signal v. & n.
(1)v. 发信号；示意
e.g. mary was signaling to us.
(2)n.信号，暗号
(3)n. 电信号
e.g. tv signals a radio signal
in our class, when the bell and the teacher closed his book, it was a signal everyone to stand up.（它正是大家要起立的信号）(signal)
27. in a way = in one way
on the way by the way in the way
28. make up
(1)编排
e.g. he made up the name list.
(2)由……组成，构成 be made up of
(3)编造，捏造
e.g. the whole story is made up.
(4)凑足，补足或补齐某事物
e.g. we need 10,000 dollars to make up the sum required.
(5)弥补；补考
e.g. she’ll make up the final exam.
(6)化妆
e.g. she took over an hour to make up.
(7)铺床，支起（临时的床）
e.g. they made up a bed on the floor.
(8)与某人和解、和好
e.g. they quarreled but soon made up.
american indians ____ about five percent of the u.s. population.（ 浙江）
a. fill up b. bring up c. make up d. set up
29. after all
at all after all above all in all
why are you so anxious? it isn’t your problem after all.（毕竟这不是你的问题）(after all)
30.deal with 对待；对付；处理；与……交易；论述；涉及
e.g. this book deals with an important issue.
辨析：
易混短语 辨析 例句
deal with deal是不及物动词。一般与how连用。 i want to know how to deal with it.
do with do是及物动词。一般与what连用。 i want to know what to do with it.
31. watch over看管；照顾；看守；守卫
watch out注意，留神 keep a watch on监视
on the watch for看守，监视 set a watch on派兵守卫
32. spoil v. & n.
(1)v. 破坏；搞坏；糟蹋；毁掉
e.g. our camping trip was spoilt by bad weather.
(2)v. 溺爱，娇惯，宠坏
e.g. she spoiled her child.
(3)v. 善待，格外关照
e.g. spoil oneself
(4)v. （食物）变坏、变质
e.g. don’t eat the food because it spoiled.
(5)n. [pl.]战利品，掠夺物；成功带来的好处
e.g. the robbers divided up the spoils.
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