A:人工造林、修建水库使当地气温的立化趋于缓和
B:人类生产生活过程中排出的二氧化碳气体增多
C:人类排出的氟氯烃化合物导致臭氧层破坏
D:南半球冬季严寒
The decision about the price _____ in a few days. So they have to wait.
在平面直角坐标系xOy中,抛物线y=ax2+bx+c与y轴交于点C,其顶点记为M,自变量x=﹣1和x=5对应的函数值相等.若点M在直线l:y=﹣12x+16上,点(3,﹣4)在抛物线上.
—Why did you vote for Maggie?—Because she is very ________. She always shares things with others.