问题
选择题
- Why don’t you still understand this problem?
- The teacher didn’t have it _______ clearly.
A. explaining
B. to explain
C. explain
D. explained
答案
答案：D
搜题请搜索小程序“爱下问搜题”
- Why don’t you still understand this problem?
- The teacher didn’t have it _______ clearly.
A. explaining
B. to explain
C. explain
D. explained
答案：D
qZ(g)的△H＜0，m＋n＞q，在恒容密闭容器中反应达到平衡时，下列说法正确的是 [ ]