50. Built with safety in mind, the highways have wide lanes and shoulders, dividing medians or barriers, long entry and exit lanes, curves engineered for safe turns, and limited access.

　　【分析】本句為簡(jiǎn)單句。句子主干為the highways have 。have 后的部分都是賓語(yǔ)。Built with safety in mind 是過(guò)去分詞短語(yǔ)作伴隨狀語(yǔ)，其邏輯主語(yǔ)是highways?，F(xiàn)在分詞 dividing 作前置定語(yǔ)，修飾 medians or barriers。 【譯文】這些公路以安全為建造理念建成，有寬闊的車道和路肩，標(biāo)有中分線或裝了中分路障，還配備了長(zhǎng)長(zhǎng)的進(jìn)出道路和為安全轉(zhuǎn)彎設(shè)計(jì)弧線道路，并設(shè)置了準(zhǔn)入限制。 51. But since water is much cheaper than wine, and many of the fancier brands aren t available in stores, most diners don t notice or care. 【分析】本句為復(fù)合句。主句為most diners don t notice or care。since 表示 既然，由于 ，引導(dǎo)原因狀語(yǔ)從句。和 because, as 及 for 有所不同，since 表明的是已知的原因。 【譯文】但是因?yàn)樗染票阋撕芏啵以S多吸引人的牌子在商店里看不到，導(dǎo)致了就餐者沒(méi)有注意到或是根本不關(guān)心。 52. He must use the sounds of speech to identify the words spoken, understand the pattern of organization of the words , and finally interpret the meaning. 【分析】本句為簡(jiǎn)單句。句子主干為 He must use the sounds, understand the pattern, and interpret the meaning。to identify the words spoken, understand the pattern of organization of the words 和 finally interpret the meaning是并列的動(dòng)詞不定式結(jié)構(gòu)，表示目的。 【譯文】他需要用語(yǔ)音來(lái)確認(rèn)所發(fā)出的詞，理解詞或句的組織結(jié)構(gòu)，最后解釋意思。 53. Perhaps it was the extreme contrast with Japanese society that prompted American firms to pay more attention to women buyers. 【分析】本句為強(qiáng)調(diào)句型。強(qiáng)調(diào)句型It is/was+被強(qiáng)調(diào)部分+that/who 用來(lái)強(qiáng)調(diào)謂語(yǔ)動(dòng)詞以外的任何句子成分，當(dāng)被強(qiáng)調(diào)部分是人時(shí)也可以用 who。 【譯文】可能是與日本社會(huì)強(qiáng)烈的對(duì)比才促使美國(guó)公司向女性消費(fèi)者投入更多的注意力。 54. As we have seen, the focus of medical care in our society has been shifting from curing disease to preventing disease especially in terms of changing our many unhealthy behaviors, such as poor eating habits, smoking and failure to exercise. 【分析】本句為復(fù)合句。句子主干為the focus has been shifting。第一個(gè)As是關(guān)系代詞，引導(dǎo)定語(yǔ)從句，修飾的是整個(gè)句子。第二個(gè)as用于such as，是固定結(jié)構(gòu)，表示舉例說(shuō)明。 【譯文】就像我們看到的那樣，我們社會(huì)醫(yī)療保健的重心已經(jīng)由治療疾病轉(zhuǎn)變到了預(yù)防疾病，尤其表現(xiàn)在改變不健康行為，如不好的飲食習(xí)慣，吸煙以及缺乏運(yùn)動(dòng)。 55. Reaching new peaks of popularity in North America is Iceberg Water, which is harvested from icebergs off the coast of Newfoundland, Canada. 【分析】本句為復(fù)合句。主句Reaching is Iceberg Water為倒裝句，正常語(yǔ)序應(yīng)為Iceberg Water is reaching new peaks of popularity，為強(qiáng)調(diào)Reaching new peaks of popularity而將其提前至句首。which引導(dǎo)非限制性定語(yǔ)從句，先行詞為Iceberg Water。 【譯文】萃取自加拿大紐芬蘭沿岸冰山的 冰水 在北美的受歡迎程度一再創(chuàng)出新高。

　　50. Built with safety in mind, the highways have wide lanes and shoulders, dividing medians or barriers, long entry and exit lanes, curves engineered for safe turns, and limited access.

　　【分析】本句為簡(jiǎn)單句。句子主干為the highways have 。have 后的部分都是賓語(yǔ)。Built with safety in mind 是過(guò)去分詞短語(yǔ)作伴隨狀語(yǔ)，其邏輯主語(yǔ)是highways?，F(xiàn)在分詞 dividing 作前置定語(yǔ)，修飾 medians or barriers。 【譯文】這些公路以安全為建造理念建成，有寬闊的車道和路肩，標(biāo)有中分線或裝了中分路障，還配備了長(zhǎng)長(zhǎng)的進(jìn)出道路和為安全轉(zhuǎn)彎設(shè)計(jì)弧線道路，并設(shè)置了準(zhǔn)入限制。 51. But since water is much cheaper than wine, and many of the fancier brands aren t available in stores, most diners don t notice or care. 【分析】本句為復(fù)合句。主句為most diners don t notice or care。since 表示 既然，由于 ，引導(dǎo)原因狀語(yǔ)從句。和 because, as 及 for 有所不同，since 表明的是已知的原因。 【譯文】但是因?yàn)樗染票阋撕芏?，而且許多吸引人的牌子在商店里看不到，導(dǎo)致了就餐者沒(méi)有注意到或是根本不關(guān)心。 52. He must use the sounds of speech to identify the words spoken, understand the pattern of organization of the words , and finally interpret the meaning. 【分析】本句為簡(jiǎn)單句。句子主干為 He must use the sounds, understand the pattern, and interpret the meaning。to identify the words spoken, understand the pattern of organization of the words 和 finally interpret the meaning是并列的動(dòng)詞不定式結(jié)構(gòu)，表示目的。 【譯文】他需要用語(yǔ)音來(lái)確認(rèn)所發(fā)出的詞，理解詞或句的組織結(jié)構(gòu)，最后解釋意思。 53. Perhaps it was the extreme contrast with Japanese society that prompted American firms to pay more attention to women buyers. 【分析】本句為強(qiáng)調(diào)句型。強(qiáng)調(diào)句型It is/was+被強(qiáng)調(diào)部分+that/who 用來(lái)強(qiáng)調(diào)謂語(yǔ)動(dòng)詞以外的任何句子成分，當(dāng)被強(qiáng)調(diào)部分是人時(shí)也可以用 who。 【譯文】可能是與日本社會(huì)強(qiáng)烈的對(duì)比才促使美國(guó)公司向女性消費(fèi)者投入更多的注意力。 54. As we have seen, the focus of medical care in our society has been shifting from curing disease to preventing disease especially in terms of changing our many unhealthy behaviors, such as poor eating habits, smoking and failure to exercise. 【分析】本句為復(fù)合句。句子主干為the focus has been shifting。第一個(gè)As是關(guān)系代詞，引導(dǎo)定語(yǔ)從句，修飾的是整個(gè)句子。第二個(gè)as用于such as，是固定結(jié)構(gòu)，表示舉例說(shuō)明。 【譯文】就像我們看到的那樣，我們社會(huì)醫(yī)療保健的重心已經(jīng)由治療疾病轉(zhuǎn)變到了預(yù)防疾病，尤其表現(xiàn)在改變不健康行為，如不好的飲食習(xí)慣，吸煙以及缺乏運(yùn)動(dòng)。 55. Reaching new peaks of popularity in North America is Iceberg Water, which is harvested from icebergs off the coast of Newfoundland, Canada. 【分析】本句為復(fù)合句。主句Reaching is Iceberg Water為倒裝句，正常語(yǔ)序應(yīng)為Iceberg Water is reaching new peaks of popularity，為強(qiáng)調(diào)Reaching new peaks of popularity而將其提前至句首。which引導(dǎo)非限制性定語(yǔ)從句，先行詞為Iceberg Water。 【譯文】萃取自加拿大紐芬蘭沿岸冰山的 冰水 在北美的受歡迎程度一再創(chuàng)出新高。