9. I launched into a variation of the speech I had made for years, about how excessive tax rates can take away the incentive to produce, and how cutting taxes can generate growth.

　　结构：共有4个谓语动词，主句的是launched into。I had made for years是省略了that的定语从句，分隔了the speech和about。about后面是两个并列的宾语从句。拆分为：

　　1) I launched into a variation of the speech about...

　　2) I had made the speech for years.

　　3) How excessive tax rates can take away the incentive to produce.

　　4) How cutting taxes can generate growth.

　　翻译：我做了一次与几年前内容不同的演讲，谈的是关于过高的税率会如何挫伤生产的积极性，以及减税如何能够促进发展。

　　10. Even his critics say the Ames test – his simple, inexpensive laboratory procedure that helps determine whether a substance might cause cancer – is a remarkable achievement.

　　结构：共有4个谓语动词，主句的是say。his simple, inexpensive laboratory procedure…是一个很长的同位语，分隔了宾语从句中的the Ames test和is a remarkable achievement。拆分为：

　　1) Even his critics say.

　　2) The Ames test is a remarkable achievement.

　　3) His simple, inexpensive laboratory procedure helps determine.

　　4) Whether a substance might cause cancer.

　　翻译：甚至连他的批评者都说爱姆兹试验是一项非凡的成就。这种试验是一种简单而又廉价的实验过程，却有助于确定某一种物质是否能够造成癌症。

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