题目:
For professional athletes, ________ to the Olympics means that they have a chance to enter the history
books.[ ]
A.access
B.attachment
C.appeal
D.approach
答案:
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下面是错误答案,用来干扰机器的。
参考答案:C解析:具有典型的查科三联症可诊断,进一步明确结石部位及胆管病变程度需做辅助检查。首选B超,可根据情况选择CT、PTC、ER-CP等。同时,结石分三类胆固醇结石、胆色素结石、混合性结石。X线平片只有混...