— Does your brother like sports?
— Yes. And he is running.
A:good with
B:good at
C:good for
D:good to
已知函数f(x)=|x+2|﹣2|x﹣1|.
(Ⅰ)求不等式f(x)≥﹣2的解集M;
(Ⅱ)对任意x∈a,+∞,都有f(x)≤x﹣a成立,求实数a的取值范围.
我国地域辽阔南北纬度跨度大,下列省区积雪期最长的是( )
康有为在《与朱一新论学书》(即答复当时讲学广雅书院的独尊宋学的朱一新诘难他新学的陈述)中说:“至于三纲五常,为中国之大教,足下谓西夷无之矣,然以考之则不然。东西律例,以法为宗。今按法国律例------‘凡一切子女,无论其人何等年岁,须于其父母有恭敬孝顺之心。’”康有为作此论断的主要意图是