It's absolutely unacceptable to sacrifice people's life and health________ the economic development

in any case.[ ]

A. in the hope of  

B. in exchange for

C. in face of 

D. in need of

正常肝脏组织的声像图特点是（）。

A.实质回声细小，分布均匀，回声低于中年以上的胰腺而较肾皮质略高

B.均匀细小的光点，回声较脾低

C.低回声与脾回声相等

D.高回声与脾回声相等

E.低回声区中有形态不一的条索状结构