一、 But it hasn t reduced CO2 emissions , and many signatories didn t adopt tough enough policies to hit their 2008-2012 targets.
分析主幹:it hasn t reduced emissions and signatories didn t adopt policies
本句是and 連線兩個分句構成的'並列句.前一分句中,括號裡的內容是插入成分,用以說明二氧化碳排放量不僅沒有減少,反而增加了。後一個分句的賓語是policies，它有一個形容詞短語tough enough 作修飾語。
譯文：但是它並沒有起到減少二氧化碳的排放量的作用，並且許多簽字國並沒有採取足夠嚴格的政策來盡力完成他們所制定的2008-2012 年度的目標。
二、In fact, New Yorks municipal water for more than a century was called the champagne of tap water and until recently considered among the best in the world in terms of both taste and purity.
分析主幹：New Yorks municipal water was called the champagne and considered the best
本句是複合謂語句，由and 並列連線兩個謂語動詞。the champagne 是主語補足語，in terms of...表示從......角度而言。
譯文：實際上，紐約市的自來水曾有100 多年被人們稱為自來水中的香檳，並且從味道和純度來看，直到最近還被認為是世界上最好的用水之一。
三、Regar dless of how its sold, the popularity of bottled water taps into our desire for better health, our wish to appear cultivated, and even a longing for lost purity.
