pp test1----68,98

68. The Mississippi riverboat, which evolved from

   simpler steamship of the early 1800's, became

   the dominant form of passenger transport on

   the Mississippi River.   

不明白为什么 steamship 有错? 请指教.

98. The Hopi, descendants of the prehistoric Anasazi

   people, are a Pueblo people who of the southwestern

   United States.

知道D有错, 但是不知道该如何改正,  谢谢!

谢谢回复. 我下载的PP语法打不开, 烦劳版主了.