Smoking is so harmful to personal health that it kills people each year than automobile accidents.

　　[A] seven more times [B] seven times more

　　[C] over seven times [D] seven times

　　Do you regret paying five hundred dollars for the painting?No, I would gladly have paid for it.

　　[A] twice so much [B] twice as much

　　[C] as much twice [D] so much twice

　　My uncle is as old again as I am

　　4)下列词和短语不用比较级形式却表示比较概念：

　　inferior, minor, senior, prior, prefer to, superior, major, junior, preferable, differ from, compared with, in comparison with, different from, rather than. 如：

　　Their watch is to all the other watches on the market.

　　[A] superior [B] advantageous [C] super [D] beneficial

　　(答案为A)

　　Prior to his departure, he addressed a letter to his daughter.

　　5)比较级+and +比较级或more and more/less and less +原级以及ever, steadily, daily等副词+比较级结构表示越来越的意思，与这类结构搭配的常用动词有grow, get ,become等。前面两种情况更多地出现在进行时态中，注意的是这三种情况引导的比较级后面都不需要用than.如：

　　Things are getting worse and worse.

　　As I spoke to him he became less and less angry.

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