At the meeting both sides exchanged their views o
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At the meeting both sides exchanged their views on a wide scope of topics they were interested in.
A:extent B:number C:collection D:range
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答案：D
会议上双方就感兴趣的许多话题交换了意见。extent“程度”，例如： To a great extent you are right．你在很大程度上是对的。number“数量”，例如：the number of students 学生的数量。collection“收藏、系列”，例如：Is the collection going to be divided up or sold as a whole？这批收藏品是零售还是一起卖？range“范围”，最符合题意，例如：Fire Dragons now correctly within range．现在在指定区域里正确点燃火龙。