P47 220
[U]Because paper of all kinds is the biggest single component of municipal trash, many municipalities have tried recycling to reduce the cost of trash disposal[/U].
(A）Because paper of all kinds is the biggest single component of municipal trash, many municipalities have tried recycling to reduce the cost of trash disposal.
(D) All kinds of paper are the biggest single components of municipal trash, and so many municipalities have tried recycling to reduce the cost of trash disposal.
Questions: a. paper of all kinds和all kinds of paper相同吗？
b. 请教try在GMAT中的用法，是不是try to do和try doing都可以？
[此贴子已经被作者于2003-11-19 22:12:49编辑过] | 
