一个正方体的棱长为acm,它的表面积是6a2cm2.______.
a×a×6,
=6a2(平方厘米);
故答案为:正确.
- Could you please help me choose a dress online?
___ . My computer doesn't work.
A.I hope so
B.I'm afraid not
C.I don't care
D.I think so
患者女,30岁,因“咳嗽2个月,少量咳痰带血”来诊。患者乏力,无明显低热,无消瘦,无淋巴结肿大。查体:肺部无异常体征。
首先应做的检查是()。
A.胸部CT
B.胸部X线片
C.痰细菌培养
D.痰细胞学检查
E.纤维支气管镜