问题 选择题
一种商品先提价20%,在降价20%,现价与原价相比(  )
答案

现在的价格相当于原价的:

1×(1+20%)×(1-20%),

=1.2×0.8,

=9.6,

=96%;

现价比原价降低了.

故选:C.

听力题

根据短文内容和首字母提示,在下文空格处填入适当的词使短文完整。

One day the employees(雇员)of a large company returned from their lunch b 小题1: and were greeted with a sign on the front door. The sign said, “Yesterday the person who has been stopping your growth in this company p小题2: away. We invite you to join the funeral(葬礼) that has been p 小题3: in the gym(体育馆).”

At first everyone was sad to hear that one of their workmates had died, but after a while they started getting c 小题4: about who this person might be. The excitement grew 小题5: the employees arrived at the gym to pay their last respects. Everyone wondered, “Who is this person that was stopping my progress? Well, at least he’s no longer here!”

One by one the employees got c 小题6:  to the coffin(棺材) and when then they looked inside it they suddenly became speechless. They stood over the coffin, shocked and in s小题7: , as if someone had touched the deepest part of their soul(灵魂). There was a mirror inside the coffin: everyone who looked inside it could see h 小题8:. There was also a sign next to the mirror that said, “There is only one that is able to set limits to your growth: it is YOU.”

You are the only person that can a 小题9: your happiness, your realization and your success. You are the only person that can help yourself. Your life does not change when your boss changes, when your friends change, when your company changes. Your life changes when YOU change, when you go b 小题10:  your beliefs(信念), when you realize that you are the only one responsible(负责) for your life.

单项选择题