问题
选择题
Who is the _____ student in our class? [ ]
A. good
B. better
C. best
D. well
答案
答案：C
搜题请搜索小程序“爱下问搜题”
Who is the _____ student in our class? [ ]
A. good
B. better
C. best
D. well
答案：C
2CO △H＞0，反应速率为u1，N2＋3H2
2NH3 △H＜0反应速率为u2，对于上述反应，当温度升高时，u1和u2的变化情况为 [ ]