阿胶的功效是()
A.补血止血
B.补血行血
C.补血柔肝
D.补血益气
E.补血温肺
参考答案:A
什么是传感器?什么是变送器?
______, he always makes time for his family.
A. No matter he is busy B. No matter how busy he is
C. However he is busy C. However busy is he