题目内容
19.World food prices,nowadays increasing,____ by the extreme weather and the cost required to grow,harvest and store it.( )A. | attacked | B. | are attacked | C. | attack | D. | were attacked |
分析 受极端天气,种植、收获和储存成本的影响,世界食物的价格现在正在增长.
解答 答案选B.考查一般现在时的被动语态.此句主语"World food prices(世界食物的价格)"与谓语"attack(攻击)"为被动关系,价格被攻击,用被动语态:be+动词的过去分词,排除A和C.根据"nowadays(现在)"可确定,时态为现在时.而D were attacked为一般过去时的被动语态.故选B.
点评 考查时态与语态的题型,根据时间或其他谓语确定时态,根据动作与其对象的关系,确定语态.
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