pp问题 很奇怪 求助大家

gring

The Mississippi riverboat, which evolved from simpler steamship of the early 1800's, became the dominant form of passenger transport on the Mississippi River.

A: evolved    B: steamship  C: dominant   D:passenger transport

答案给的：b  怎么改 还有 是不是 which is evolved阿

The coal industry is important to every industrial nations because most other industries are directly or indirectly dependent on is.

答案是 every  难道是 改为each。

Published in 1957,john cheever's firest novel, The Wapshot Chronicle,earned       the National Book Award.
A:that he had  B:him  C:was his D:to him
但是在pp中这题 出现了两次 一次选B 一次选 D

[此贴子已经被作者于2005-6-26 8:36:49编辑过]

一个梦醒的人

The Mississippi riverboat, which evolved from simpler steamship of the early 1800's, became the dominant form of passenger transport on the Mississippi River.

A: evolved    B: steamship  C: dominant   D:passenger transport

答案给的：b  怎么改 还有 是不是 which is evolved阿

这里是特指 改为 the steamship

The coal industry is important to every industrial nations because most other industries are directly or indirectly dependent on is.

答案是 every  难道是 改为each。

every +名词单数   这里every改为 ecah of   

Published in 1957,john cheever's firest novel, The Wapshot Chronicle,earned       the National Book Award.
A:that he had  B:him  C:was his D:to him
但是在pp中这题 出现了两次 一次选B 一次选 D

b is right  

记住 earn sb sth