诊断恶性畸胎瘤有意义的免疫学检查（）
A．CEA
B．AFP
C．VMA
D．骨骼或牙齿影
E．B型超声
参考答案：B
上消化道出血停止的最可靠指标是排出的大便由黑色转呈黄色。
In the foreign trade business, the trade terms CIP is the abbreviation for ______.
A. Cost, Insurance and FreightB. Cost and InsuranceC. Carriage and Insurance Paid toD. Carriage Paid to
