问题
选择题
Some people argue using ____________ nature to meet our own needs may spell disaster, unless we start to look around and understand how _________ clean environment benefits us all.
A．/; a
B．the; the
C．the; a
D．a; a
答案
答案：A
这题考察冠词的用法：第一空不填，因为nature是抽象名词。第二空a，指“一个清洁的环境”，选A。