Some blood types are quite common,others are regionally______,and still others a
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Some blood types are quite common,others are regionally______,and still others are rare everywhere.A.distributed | B.contributed | C.obtained | D.convinced |
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答案
A |
解析
此题考查动词辨析。distribute“分散,分布”;contribute“贡献;导致”;obtain“得到”;convince“使某人确信;使某人明白”。句意:一些血型很普通,一些只分布在局部地区,另外还有一些哪儿都很罕见。由句意可知A项正确。 |
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