Question

---- If__________, some terrible diseases would spread in th

Answer 1

D

考查状语从句的省略：if not controlled="if" some terrible diseases were not controlled，第二空考查形容词：desperate非常，不顾一切的，句意：在四川汶川地震后，如果一些疾病不控制，就会在受灾地区蔓延。选D。