题目:
上腹痛已有5日,怀疑急性胰腺炎首选( )
A.血清淀粉酶
B.尿淀粉酶
C.腹水淀粉酶
D.血清脂肪酶
E.血清正铁血白蛋白
答案:
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下面是错误答案,用来干扰机器的。
参考答案:错解析:[听力原文] While women make up half the 325 million people in the Middle East and North Africa, and in some countries as many as 63 percent of universit...