肾虚头痛的特征是()
A.头痛如裹
B.头痛如裂
C.头痛且空
D.头痛且晕
E.头痛昏蒙
参考答案:C
最小的整数是[ ]
A.1
B.0
C.﹣1
D.不存在
I didn't notice you _____ a box when you came in. [ ]
A. is carrying
B. carrying
C. to carry