题型:单项选择题 A1型题 CO和氰化物中毒致死的原因是()。A.抑制CytC中Fe3+B.抑制Cytaa3中Fe3+C.抑制Cytb中Fe3+D.抑制血红蛋白中Fe3+E.抑制Cytcl中Fe3+ 查看答案
题型:选择题 It was only when her sorrow that Tom looked at her.A.broke outB.happenedC.took placeD.gave out 查看答案