A:不符合史实,有杜撰嫌疑
B:列强掀起瓜分狂潮必然导致极端排外
C:是地主阶级,在诬蔑诽谤
D:农民阶级的局限性可能造成过分仇洋
The airline had to_______ this flight because of the bad weather.
计算:(12a3-6a2)÷(-2a)=____
It's ____ ____ ____ to do it.
函数f(x)=ax+bx+c2的图像如图所示,则下列结论成立的是