单项选择题

Many people believe we are heading for environmental disaster（）we radically change way we live.

A. but
B. although
C. unless
D. lest

<上一题目录下一题>

热门试题

单项选择题

Actually, information technology can （）the gap between the poor and the rich.

A. link
B. break
C. ally
D. bridge

单项选择题

Tomorrow the mayor is to ______ a group of Canadian businessmen on a tour of the city.

A. coordinate
B. cooperate
C. accompany
D. associate

相关试题