题干
—What's in the basket?
— ______ some bread. And ____ two tins of chicken, too.
A：They are; They are
B：There is; There are
C：It's; It's
答案(点此获取答案解析）
B
—What's in the basket?
— ______ some bread. And ____ two tins of chicken, too.
A：They are; They are
B：There is; There are
C：It's; It's
，当
时，都有
，则称函数
在D上为非减函数 . 设函数f (x)在0，1上为非减函数，且满足以下三个条件：
；② 
；③
，则
等（ ）
的底面是正六边形，
平面
.则下列结论不正确的是
