光线(可见光)称为一种电磁波,波长是100nm到780nm。
参考答案:错
— Can I come and have a look at your new house?
— Yes, ______!
A.with pleasure
B.by all means
C.I quite agree
D.I like it
下列图像的最佳诊断是()
A.阿米巴肝脓肿
B.原发性肝癌
C.肝硬化
D.脂肪肝
E.肝囊肿