通分是把分数的值变大，约分是把分数的值变小。[ ]

把单位“1”平均分成若干份，表示其中一份的数叫（    ）。

集装箱换装作业的组织方式包括（）。

A.直接换装

B.间接换装

C.相互换装

D.水平式换装

E.垂直式换装

E公司为－家上市公司，为了适应外部环境变化，拟对当前的财务政策进行评估和调整，董事会召开了专门会议，要求财务部对财务状况和经营成果进行分析。相关资料如下： 资料－：公司有关的财务资料如下表所示： 财务状况有关资料单位：万元

说明：“*”表示省略的数据。 资料二：该公司所在行业相关指标平均值：资产负债率为40％，利息保障倍数(已获利息倍数)为3倍。 资料三：2011年2月21日，公司根据2010年度股东大会决议，除分配现金股利外，还实施了股票股利分配方案，以2010年年末总股数为基础，每10股送3股。工商注册登记变更后公司总股数为7800万股，公司2011年7月1日发行新股4000万股。 资料四：为增加公司流动性，董事陈某建议发行公司债券筹资10000万元；董事王某建议，改变之前的现金股利政策，公司以后不再发放现金股利。 要求：

计算E公司2011年的资产负债率、权益乘数、利息保障倍数、总资产周转率和基本每股收益；

甲欲抢劫便衣警察乙的财物，将乙推倒在地，并抽出尖刀对准乙的脸上划了一刀，逼迫其交出钱财。乙掏出身上的手枪朝甲开了一枪，但由于甲躲闪很快而未受伤。乙的行为是( )。

A．紧急避险

B．正当防卫

C．防卫过当

D．不适时防卫

A Trip to the Forest

One day Bob took two of his friends into the mountains. They put up their tents and then rode off to a forest to see how the trees were growing.
In the afternoon when they were about ten kilometres from their camp, it started to snow. More and more snow fell. Soon Bob could hardly see his hands before his face. He could not find the road. Bob knew there were two roads. One road went to the camp, and the other went to his house. But all was white snow. Everything was the same. How could he take his friends back to the camp
Bob had an idea. The horses ! Let the horses take them back ! But what would happen if the horses took the road to his house That would be a trip of thirty-five kilometres in such cold weather!
It was getting late. They rode on and on. At last the horses stopped. Where were they None of them could tell. John looked around. What was that under the tree It was one of their tents!

The story happened ______.

A．on a cold winter day

B．on a dark snowy evening

C．in a cold camp far from villages

D．at night when nothing could be seen