进行性梗阻性黄疸患者行快速增强扫描,胰头部出现不规则低密度区,应高度怀疑()。
A.急性胰腺炎
B.假囊肿形成
C.扩张的胆总管
D.胰腺癌
E.正常胰腺
参考答案:D
A deaf-and- dumb(聋哑)man ________ some nails, so he entered a store, put two fingers together on the counter and made hammering movements with the other hand.
A.bought
B.tested
C.found
D.needed
国债承销团按照国债品种组建,包括( )。
A.甲类承销团
B.凭证式国债承销团
C.乙类承销团
D.记账式国债承销团