动物死后尸斑颜色呈现灰褐色的中毒性疾病是（）
A.一氧化碳中毒
B.氰化物中毒
C.亚硝酸盐中毒
D.硝基苯中毒
E.有机氟中毒
参考答案：C
—Do you live by yourself , Mr. Wang?
—Yes. I have two sons , but of them lives with me. They are now studying in America. [ ]
A. neither
B. both
C. none
D. either
厚朴汤1功效与作用
