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Unit 2 Making a difference
1．As the world has changed，so has education.(“so＋助动词＋主语”是部分倒装结构，表
示前面提出的某一肯定的情况也适用于后者)
2．But she did not lose sight of(忘记) her origins.
3．TechLit Africa runs(熟词生义，此处为动词，意为“开设”) its own curriculum with its
own software programs in 10 Kenyan schools，and the hope is to increase to 100 throughout
Africa by next year.
4．The students love learning about computers，and in turn(相应地，转而) are gaining skills
that will help them make use of(利用) their talents into a way out of poverty.
5．If you’ve ever emerged(从……出现) from the shower or returned from your walk with a
clever idea or a solution to a problem you had been struggling with(省略关系代词的定语从句)，
it may not be a surprise.
6．“People always get surprised when they realize they get interesting，novel(熟词生义：新颖
的) ideas at unexpected times，” says Kalina Christoff，a scientist at the University of British
Columbia in Vancouver，“because our culture tells us that we should do it through hard work.”
7．“Simply put(简单来说，简言之)，it is a state that(引导定语从句) your brain returns to
when you’re relaxed，” explains Christoff.
8．“By contrast(相比之下)，when you’re working on a demanding(adj.费时费力的) task，
the brain’s executive control(EC) systems keep your thinking focused，analytical，and
logical(keep＋宾语＋宾补的复合结构)．”
demanding adj.费时费力的，要求高的
The picking activity is physically demanding，but we all felt excited.
demand v.强烈要求；需要，需求
demand to do sth要求做某事；demand＋that宾语从句常用should 表虚拟，should可省略
。
I demanded to see her immediately，but got turned down.
Our teacher demanded that all the entriesshould be submitted by Friday.
n.要求；需求，需求量
demand and supply需求与供应；be in demand需求大的；on demand 一经要求
meet/satisfy one’s demands满足某人的要求
9．“A cautionary note：While(引导让步状语从句，意为“尽管”) the DM network plays a
key role in(在……中起着关键作用) the creative process，it is the EC systems that(强调句：It
is＋被强调部分＋that/who...) help you to evaluate and apply the creative ideas effectivelyto(将……运用到) your problems in the real world，” Christoff says.
10．I couldn’t not tip(v.付小费) him，so I was stuck between a rock and a hard place(进退
两难的境地)．
11．I handed in the note at last，controlling the urge(n.冲动) to ask for change(n.零钱)．
12．And nobody can work out(解决，想出) the reasons for this difference.
13．Wu Liren has been maintaining(现在完成进行时) such a “diary” of the Grand Canal
since 1978.(“since＋时间点”作状语，主句谓语常用现在完成时或现在完成进行时)
