患者,男,48岁。原发性肝癌手术治疗后出院,门诊复查中,下列哪项不是必需的检查
A.肝功能B.肝脏B超C.癌胚抗原(CEA)D.甲胎球蛋白E.胸部X线片
参考答案:C
. ---Here you go. There are______ such cards here.
--- I only need ______ these cards in the box.
A.five dozens; one dozen
B.five dozens of; one dozen of
C.five dozen ; one dozen
D.dozens of ; one dozen of
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