如果CT发现在左侧基底节区低密度影中有少量点、片状高密度灶,诊断考虑为
A.脑出血
B.蛛网膜下腔出血
C.出血性梗塞
D.脑内钙化灶
E.脑囊虫病
参考答案:C
-- Mum, Mary bought a pet dog yesterday. Could you please buy __________ for me?
-- Sure. But you must look after it yourself.
A.that
B.this
C.it
D.one
两组分凝聚系统中平衡共存的相数最多为( )。
A.(
B.(