19. Geographers were once concerned (largely) with exploring (areas unknown) to them and (from) describing distinctive features of individual (places.) key C. 请问individual 后不是应该接单数名词吗?
24.Dolphins are sleek and (powerful) swimmers (that found) in all seas and unlike porpoises, (have) well-defined beaklike snouts and conical( teeth). key B. 同意. 但这句怎么分析成分呢? are 是谓语, have 也是动词,做什么成分呢? 难道不应该改成分词形式.-> having
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发表于 2003-9-30 19:08:00
