1.Economics professor Milton Friedman once said, “The best is the enemy of the good,” which to me meant that attempts to achieve an unattainable ideal can prevent us from reaching good outcomes that are possible in practice.

句的剖析?

句子主干：…Milton Friedman once said…

成分分析：

①? “The best is the enemy of the good,”是直接引語，作said的賓語。

②? which引導(dǎo)的非限制性定語從句補(bǔ)充說明直接引語。

③? 定語從句中的第一個that引導(dǎo)的賓語從句作meant的賓語，主干為attempts…can prevent us…。

④? to achieve an unattainable ideal是不定式作后置定語，修飾attempts。

⑤? 第二個that引導(dǎo)的定語從句修飾good outcomes。

詞的講解?

attempt????????????? v.& n. 企圖；嘗試

unattainable????? a.達(dá)不到的；無法實現(xiàn)的???

outcome??????????? n.結(jié)果；后果

句的翻譯?

經(jīng)濟(jì)學(xué)教授Milton Friedman曾經(jīng)說過：“至善者善之?dāng)??！睂ξ叶?，它意味著企圖實現(xiàn)一個無法企及的理想可能會使我們無法取得在實踐中有可能得到的好結(jié)果。

?

2.A team of scientists from Russia and Canada analysed the effect of microgravity on the protein make-up in blood samples of 18 Russian cosmonauts who lived on the International Space Station for six months.

句的剖析?

句子主干: A team of scientists analyzed the effects on the protein make-up。

后置定語from Russia and Canada修飾scientists。

后置定語on the protein make-up修飾the effect。

who引導(dǎo)定語從句修飾cosmonauts。

詞的講解?

① analyze? v. 分析

【記】ana-(=up)+lyze(=loosen解，分解)→loose up

② protein? n. 蛋白質(zhì)

句的翻譯?

來自英國和加拿大的科學(xué)家團(tuán)隊分析了18位在國際航空站生活了六個月的俄羅斯宇航員的血液標(biāo)本，研究微重力對血液蛋白質(zhì)構(gòu)成的影響。

3.Knowing that our study demonstrates a likely link between longer education and a lower risk of cardiac disease, policy makers should definitely think of means to increase years of schooling—maybe through different incentives, such as raising awareness, convenience of access and finance.

句的剖析?

句子主干：policy makers should definitely think of means

伴隨狀語：Knowing that our study…cardiac disease

to increase years of schooling作后置定語修飾means

through different incentives作方式狀語

詞的講解?

demonstrate? v.? 證明

cardiac?? adj.??? 心臟的

incentive? n.?? 激勵；鼓勵

convenience? n.? 便利

句的翻譯?

我們的研究證明受教育的年限越長，人們患心臟病的風(fēng)險可能越低。政策制定者清楚這一點的話，他們就當(dāng)然應(yīng)該想到方法來增加學(xué)校教育的年限——或許可以通過不同的激勵方法，比如，提高意識，為獲取教育資源和資金提供便捷。