“雨露滋润禾苗壮”，这种现象说明（ ）
—Turn right，please!
—OK．Thanks．
As teenagers, we're old enough ________ with housework. We can help set the table, wash the dishes and clean our own rooms.
读图经纬网，完成问题． 阴影表示黑夜，此时北半球的节气是（ ）
