There ____ ____ apple and two ____ on the table.
—_______ have you lived in Binzhou?
—For about ten years.
— Would you like to go to the concert with me tonight?
— I'd love to, _____ I have a lot of work to do.
20世纪的____给人类带来巨大的变化。
设a<b<0，则下列不等式中不成立的是（ ）
