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1·The number of the guests had quickly grown from seven to seventeen.

客人的人数很快从7人增加到17人。

2·They said that he could move decimal points telekinetically, that he owned the global rights to the number three quintillion seventeen, that he could make a penny feel like a million bucks.

人们说“钱语者”能用意念移动小数点，并且他对17个一百万的三次方这样的数字拥有主权，所以他可以让一分钱变得和百万美金一样。

3·Part of the answer is that the fly fossil is ancient–it was found with a number of other fossilized things that have been dated between three million and seventeen million years old.

正解可能是因为这块苍蝇的化石和一起发现的其它化石可以追溯到300万到700万年前了。

4·The National Council on economic Education has found that seventeen states now require high school students to take a class in economics. This number has grown from thirteen in 1998.

全美经济教育协会发现，17个州现在要求中学生上经济课，而在1998年只有13个州这样做。