根据所提供的图像,最可能的诊断是()
A.肝囊肿
B.肝血管瘤
C.肝再生结节
D.肝癌
E.以上都不是
参考答案:D
现有一波源,振动图像如图甲所示,在介质中传播时,波长为8d。现其振动T便停止,则在t=T时在介质中形成的波形图是下列的哪一个:
A White House plane ________ Beijing on March 19, 2014 and US First Lady Michelle Obama started her ________ visit to China.
A.reached; seven days
B.landed in; seven-day
C.has arrived in; seven-day
D.has got to; seven days