Pinetrees,ofwhichtherearealmoston

发布时间:2020-07-25 08:13:22

Pine trees, of which there are almost one hundred ______, are found throughout the North Temperate Zone.A.speciesB.samplesC.specimensD.Standards

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A解析词义辨析。  A. 物种;种类   B.样品  C. 试样;样本D. 标准。句意:在整个北温带发现的松树,几乎有一百个种类。这里指的是树的物种,故选A。
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