It’s clear that global warming will lead to crop failures and weather.
A. dusty
B. useless
C. stubborn
D. extreme
网友回答
A. dusty
B. useless
C. stubborn
(答案→)D. extreme
解析：考查形容词：A.dusty有灰尘的B.useless 无用的C.stubborn固执的D.extreme非常的，极端的，句意：很明显全球变暖会导致庄稼减产和极端天气。选D