用适当的词填空。（共10小题；每小题1分，满分10分）
occur inhabitant crowd measure strong
reduce similarity poor fortunate disaster
【小题1】A fire broke out in the factory. Unfortunately , one of the firefighters was killed.
【小题2】The boy knows much about the Unfortunately and differences between pop music and classical music.
【小题3】The government is making efforts to similarities the traffic noises in order to let citizens have a quiet sleep.
【小题4】similarities have been taken to reduce pollution in developing countries.
【小题5】He threw it forward with all his reduce .
【小题6】The buses are soMeasures during the rush hour.
【小题7】The polluted air and water can explain the main reason why the reduce here are getting ill one by one.
【小题8】Our goal is to reduce the number of the families instrength in the village.
【小题9】An unexpected storm crowded Unfortunately when we were enjoying the pleasant voyage at the Yellow Sea.
【小题10】One million five hundred thousand people died in natural Measures between 1980 and 2000
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解析：
【小题1】 Unfortunately 副词不幸地；在句中做状语修饰整个句子。
【小题2】similarities 本句中的similarity与后面的difference构成并列关系，表示相似与差异之处。
【小题3】 reduce 动词减少reduce。为了让居民有安静的睡眠，政府正在努力减少交通的噪音。
【小题4】Measures 名词措施measure；本题是一个固定搭配take measures to do sth采取措施做某事。
【小题5】strength 名词力气strength；要注意其与power权力等差别。
【小题6】crowded 形容词拥挤的crowded；句意：在上下班高峰期间，公交车很拥挤。
【小题7】inhabitants 名词居民inhabitant；句意：被污染的空气和水可以解释为什么居民们一个接一个地病倒的原因。
【小题8】 poverty 名词poverty贫穷；in poverty在贫穷中；
【小题9】occurred 动词occur发生；当我们在黄山欣赏美丽的景色的时候，一场没有预料到的暴雨突然下了起来。
【小题10】 disasters 名词灾难disaster。句意：在1980到2000之间150万人死于自然灾害中。