一腹痛患者,根据右下腹声像图表现,最可能的诊断是()
A.肠梗阻
B.阑尾炎
C.正常阑尾
D.结肠癌
E.肠套叠
参考答案:B
人类对紧张刺激作出的非特异性反应是()
A.应对
B.应激
C.反馈
D.反射
E.调试
There isn't _________ with the computer. [ ]
A. something wrong
B. anything wrong
C. wrong something
D. nothing wrong