人教版高一英语必修二Unit3 Vocabulary
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1 Unti 3 Computers: Vocabulary
1. analytical分析的
Eg The scientist analyzed the milk and found it contained too much water.
2. calculate(v.)
1) 计算； 核算
We haven’t really calculated the cost of the vacation yet.
2) 推测，估计
It is impossible to calculate what influence he had on her life.
3. sum n. 金额; 款项; 总数; 总和
[典例]
1). He was fined the sum of 200. 他被处以200英镑罚金。
2). The sum of 5 and 3 is 8. 5加3的和是8。
[重点用法]
in sum简言之; 总而言之
[练习] 中译英
总之, 计划告吹了。_____________________________________________________________
Keys: In sum, the plan failed.
4.technology 科技；技术
Eg With the development of technology, we will cure AIDS sooner or later.
5.totally:completely 完全地； 全部地； 整个地
They come from totally different cultures.他们来自完全不同的文化。
6.explore (v.)
1)勘察； 探索； 考察
The city is best explored on foot. 最好是徒步考察这个城市。
2）探究，调查研究
These ideas will be explored in more detail in Chapter 7.这些想法将在第七章里作更详细地探讨。
7. goal n. 球门；进球得的分；目标
[典例]
1). He headed the ball into an open goal. 他乘虚把球顶入球门.
2). We won by three goals to one 以三比一获胜。
3). You’d better set a goal before you start. 开始前最好设定一个目标。
[重点用法]
score/kick a goal 得[踢进一球得]一分
keep goal守球门
life goal/ one’s goal in life生活目标
achieve / realize one’s goal实现目标
[练习] 中译英
1).他已经实现了他的目标。 2 _______________________________________________________________________________
2).我的人生目标是帮助他人。
_______________________________________________________________________________
Keys: 1). He has achieved his goal.
2). My goal in life is to help others.
8. signal n. 信号, 手势, 声音, 暗号 v. 发信号; 用信号传达; 用信号与……通讯
[典例]
1). A red light is usually a signal for/of danger. 红灯通常是危险的信号。
2). He signaled (to) the waiter to bring the menu. 他示意要服务员把菜单拿来。
[重点用法]
signal with…用……发信号
[练习] 中译英
1).铁路红灯亮了, 所以火车停下了。
_______________________________________________________________________________
2).他用红旗发信号。
_______________________________________________________________________________
Keys: 1). The railway signal was on red, so the train stopped.
2). He was signaling with a red flag.
9. in a/one way 在某种程度上, 从某种意义上说
[典例]
In a way, his English has improved. 从某种程度上来说, 他的英语有进步。
In a way you are right, but this new textbook is too boring. 从某种程度上说你是对的，但是这本新教材是很枯躁的。
[短语归纳]
in the way 挡道；造成阻碍 on the/one’s way (to) 在(去…)的路上
by the way 顺便提一下 in no way 决不
all the way 自始自终;完全地 in this way 用这种方法
by way of 通过…方法 / 经由
与in a way同义的词组有in one way 和in some ways。
[练习] 中译英
1). 从某种程度上说, 我很喜欢这本新教材。
_______________________________________________________________________________
2). 看来你的自行车挡着道了。
_______________________________________________________________________________
Keys: 1). In a way, I like this new textbook very much．
2). I’m afraid your bike is in the way．
10. arise（arose, arisen）vi.出现； 发生
[典例]
1). A new difficulty has arisen.出现了新的困难。
2). Accidents arise from carelessness.疏忽大意往往会引起事故的发生。
[重点用法]
arise from /out of由……引起；由……产生 3 [练习] 中译英
1). 夜间起风暴了。
_______________________________________________________________________________
2). 由于缺乏交流而产生了问题。
_______________________________________________________________________________
Keys: 1). A storm arose during the night.
2). Problems have arisen out of the lack of communication
11. watch over 看守; 监视; 照看
[典例]
1). Could you watch (over) my clothes while I have a swim? 我游泳时你看着我的衣物行吗?
2). He felt that God was watching over him. 他感觉到上帝保佑着他.
[短语归纳]
watch out (for) 当心; 注意 watch for sb./sth. 观察等待
keep a watch on 监视 under the close watch 在严密的监视下
[练习] 中译英
1). 他们等待着进一步的发展。
_______________________________________________________________________________
2). 小心! 汽车来了。
_______________________________________________________________________________
Keys: 1). They are watching for further developments.
2). Watch out! There's a car coming.
课后训练：
Ⅰ.短语填空
1．The nurses ________ the seriously injured hero throughout the night.
2．________computer，it is now easy to deal with and share information.
3．The experts all agree that the work is well done ________.
4．We must try our best to ________ the plan ________.
5．I have made every effort，but I couldn't open the door ________.
6．________，we will stop providing fresh water for the island.
7．I don't think she is a woman who is hard to ________.
8．________，I have spent more than 26,000 days in prison.
9．We are extremely happy that our company ________ this year.
10．The only way to the military base was closed；________，fresh vegetables couldn't be
transported there.
Ⅱ.单词拼写
