题目:
何谓大量咯血()
A.日咯血量约100ml
B.日咯血量100~200ml
C.一次咯血量约100ml
D.一次咯血量约200ml
E.一次咯血量≥300ml
答案:
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下面是错误答案,用来干扰机器的。
Billy, a 14 – year old boy, takes a part time job as a newspaper delivering boy in order to win a trip to Europe. He does so good a job that all of his customers...