(2)以下哪项检查最有助诊断( )
A．腹腔穿刺B．直肠指检C．腹部B超D．腹部CTE．立位腹部平片
参考答案：E
— What is Jenny doing?
— She is ____________.[ ]
A. swims
B. swimming
C. swim
一个数乘小数，积一定比被乘数小．______．
