胁痛初病在气,病久可化火伤阴,又可入络致血瘀。
参考答案:对
Last week, only two people came to look at the house, _____ wanted to buy it. [ ]
A. none of them
B. both of them
C. none of whom
D. neither of whom
在制图线型标准中下列线型表示构造局部界限的是()。
A.波浪线
B.细双点划线
C.细点划线
D.细虚线