题干
天气预报中说今天将有寒潮到来，你将做的准备是（ ）
A：多穿御寒的衣服
B：带好防雨用具
C：带好雨伞预防冰雹
D：减少御寒衣物
答案(点此获取答案解析）
A
to be ________ ones that you have done, but after taking ________ second look, you will find that they are different．
的单调递减区间为