条痕为白色的药材是
A.石膏B.雄黄C.朱砂D.赭石E.自然铜
参考答案:A
解析:故答案选A。
排便后有鲜红色血液滴下,常见出血部位是()
A.十二指肠
B.小肠
C.横结肠
D.乙状结肠
E.肛管
This motorbike is _____, not ______.[ ]
A. his, hers
B. her, his
C. your, me
D. your, her