用裁剪工具修整图像时能结束剪裁的按键是()
A.ALT
B.ENTER
C.SHIFT
D.BACKSPACE
参考答案:B
— Oh, dear! I forgot the air tickets.
— You ______ something. [ ]
A. have left
B. are always leaving
C. are leaving
D. always left
易引起高血氨症的受血者是()。
A.肝血管瘤患者
B.肝囊肿患者
C.甲型肝炎患者
D.早期肝癌
E.接近肝性脑病患者