治安值勤员的工作标准是什么？

You can see Pizza Hut(必胜客) every some blocks, so it must be a very big business. Indeed it is. But believe it or not, the business was started in 1958 by two college students with a loan of 600 dollars.

The Carney brothers were trying to make some money .so that they could pay their way through college. They borrowed the money from their mother and sold pizza in a small house in their neighborhood. That's how they got the name of the business. On the first day of business, they gave away pizza to draw(吸引) customers(顾客).

Year after year, their business grows and now they often give free meals and work chances to those in need.

小题1:Pizza Hut has been set up for about _______ years.

A．21

B．31

C．56

D．100小题2:The word "loan" here in the story means _______.

A．money the brothers borrowed from others

B．money the brothers lent to others

C．something bought for nothing

D．something given away小题3:What do you think of the two students from the last paragraph?

A．They are clever.

B．They are hard-working.

C．They are generous.

D．They are smart.

______世纪，印度沦为英国的殖民地，______年印度终于摆脱了英国的殖民地统治，宣布独立。1950年成立共和国。

For most of human history, the dominant concerns about energy have centered on the benefit side. Inadequacy of energy resources of the technologies for harvesting, converting, and distributing those resources has meant insufficient energy benefits to human beings and hence inconvenience, and constraints on its growth. The 1970’s, then, represented an turning point. Energy was seen to be getting costlier in all respects. It began to be believable that excessive energy costs could pose threats on a par with those of insufficient supply. It also became possible to think that expanding some forms of energy supply could create costs exceeding the benefits.

在杜邦财务分析体系中，综合性最强的财务比率是（）。

A．资产收益率

B．总资产净利率

C．总资产周转率

D．营业净利率