肾积水声像图的表现下列哪一项是错误的()。
A.肾盂回声分离
B.肾体积可增大
C.肾实质可变薄
D.肾窦内可出现强回声团伴声影
E.肾实质内出现无回声区
参考答案:E
精制蔗蜡
Bob insisted that he____ nothing wrong and ____ from work. [ ]
A. did; won't be fired
B. had done; not be fired
C. should do; mustn't be fired
D. do; shouldn't be fired