—I think teenagers should be allowed to make their own decisions when they have problems at school.
—_______. They're not calm enough, after all.
A:I agree
B:I disagree
C:I think so
D:I'm sure
小明猜想,水中加入别的物质后,一定会对水的凝固点产生影响,为了验证这一猜想,他将一些盐放入水中,并把盐水用容器盛好放入冰箱,研究盐水的凝固过程.每隔一定时间,小明就观察盐水状态、测出温度,并将凝固过程记录的温度数据画成了凝固图象如图甲所示.
So, ____ we haven't ____ the idea, we are ____ as well.