题干
If I ____ more about diamond, I ____ cheated by that man.
A：had known, would not be
B：had known; wouldn’t have bee
C：knew; would not have bee
D：had known; would never be
答案(点此获取答案解析）
B
Y+Z,其化学反应速率随时间变化的图像如图所示，其中t1时刻达到平衡，t2时刻缩小容器体积，t3时刻重新达到平衡，下列有关说法不正确的是( )