内容正文:
[单元词汇预习]
(一)Reading and Thinking&Learning About Language
1.devote vt.把……献(给);把……专用于;专心于→devoted adj.忠诚的;挚爱的;专心的→devotion n.献身;奉献;忠诚
All in all, it is high time that we devoted ourselves to protecting the ocean.(总而言之,现在是我们致力于保护海洋的时候了。)[佳句背诵·倡议书]
2.shortage n.不足;缺少;短缺→short adj.短的
①food/housing/water shortages 食物/住房/用水短缺
②a shortage of funds 资金不足
3.crisis n.(pl.crises)危机;危急关头
a financial crisis 金融危机
4.boost vt.使增长;使兴旺 n.增长;提高;激励
①boost sb's confidence 增强某人的信心
②boost exports/profits 促进出口/提高利润
5.yield n.产量;产出 vt.出产(作物);产生(收益、效益等) vi.屈服;让步
①cropyields农作物产量
②I yielded to temptation and had a chocolate bar.(我经不住诱惑,吃了一块巧克力。)
6.convince vt.使相信;使确信;说服→convincing adj.令人信服的→convinced adj.确信的
①I've been trying to convince him to see a doctor.(我一直劝他去看病。)
②You need to convince them of your enthusiasm for the job.(你要使他们相信你殷切希望得到这份工作。)[佳句背诵·建议信]
7.characteristic n.特征;特点;品质 adj.典型的;独特的
The two groups of children have quite different characteristics.(这两组儿童具有截然不同的特点。)
8.attain vt.(通常经过努力)获得;得到
Most of our students attained five ‘A’ grades in their exams.(我们多数学生的考试成绩是五个优。)
9.conventional adj.传统的;习惯的
①conventional behaviour/morality循规蹈矩的行为/传统的道德规范
②conventional methods/approaches 传统方法
10.assumption n.假定;设定;(责任的)承担;(权力的)获得→assume v.假定;认为;承担
We are working on the assumption that everyone invited will turn up.(我们假定了每一个应邀的人都会出席并正就此作出安排。)
11.intense adj.热切的;十分强烈的;激烈的
intense competition 激烈的竞争
12.overcome vt.克服;解决;战胜
①overcome the difficulty 克服困难
②She overcame injury to win the Olympic gold medal.(她战胜了伤痛,赢得了奥运会金牌。)
13.expand vt.& vi.扩大;增加 vt.扩展;发展(业务)
It has expanded to a farm covering an area of more than 1,000 mu in the past two decades.(历经20年它已经发展成占地1 000多亩的大农场。)
14.output n.产量;输出;输出量 vt.输出
①data output数据输出
②the grain output 粮食产量
15.estimate vt.估计;估价;估算 n.估计;估算
It is estimated that the project will last four years.(据估计,这项工程将持续四年。)
16.domestic adj.本国的;国内的;家用的;家庭的
①domestic affairs/politics 国内事务/政治
②domestic chores家务琐事
17.consumption n.消耗;消耗量;消费→consume v.消耗;消费
Gas and oil consumption alwa