弥漫性脂肪肝的声像图表现主要有:①肝脏增大;②回声增高密集;③远区回声衰减;④肝内血管模糊不清()
A.①②③
B.①③
C.②④
D.④
E.①②③④
参考答案:E
_____ their real economic situations, they got some relief fund from the government.
A.Considering
B.Considered
C.Having been considered
D.Being considered
细胞活力测定时较为常用的染料为
A.台盼蓝
B.结晶紫
C.革兰染色
D.瑞氏染液
E.吉姆萨染液