确诊胰腺癌的检查方法是
A．组织病理学和细胞学检查
B．肿瘤标志物检测
C．胰腺CT
D．B型超声
E．全程钡餐
参考答案：A
My brother bought a teapot ________ like a Chinese duck, the price of which was much lower than expected.
A．shaping
B．being shaped
C．to be shaped
D．shaped
下列是体循环淤血症状，除了（）
A.纳差、恶心
B.上腹胀痛
C.少尿
D.浮肿
E.呼吸困难
