下列不符合壶腹癌表现的是
A.肿块虽小,症状明显
B.小肿块位于胰头外下方
C.肿块呈弱或强回声
D.较少出现胆总管和胰管扩张
E.肿块多呈类圆形
参考答案:D
Do you remember those days ________ we spent along the seashore very happily?[ ]
A.when
B. where
C. which
D. on which
正常成人(男性)脾脏厚径超声测量标准()
A.<4cm
B.<5cm
C.<6cm
D.<7cm
E.<8cm