问题
选择题
— _____ is the toy?
— It's on the bed. [ ]
A. Who
B. Where
C. What
D. Whose
答案
答案：B
搜题请搜索小程序“爱下问搜题”
— _____ is the toy?
— It's on the bed. [ ]
A. Who
B. Where
C. What
D. Whose
答案：B
，反应M＋N＝K在温度t2下进行，已知t1＞t2，且E和F的浓度均大于M和N的浓度（其他条件均相同），则两者
的反应速率