问题
选择题
The most important thing about cotton in history is _____ part that it played in _____ Industrial Revolution.
A．不填；不填
B．the；不填
C．the; the
D．a; the
答案
答案：C
part后面被一个定语从句（that it played）修饰，应为特指，故用定冠词the。Industrial Revolution为专有名词，习惯上要加 the。