宿主状态是遗传因素与下列哪种因素终生相互作用的结果。()
A.生物因素
B.物理因素
C.环境因素
D.化学因素
E.精神因素
参考答案:C
口服对硫磷中毒时,可用1∶5000高锰酸钾溶液洗胃。
The 20th-century poem suggests to something we have been able to find nothing about.
A. alludes B. avoids C. alleges D. alerts