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问题 多选题

据图判断，下列叙述符合生态学原理的是 

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A．物质经过多级利用，提高了能量传递效率

B．由于各级产物都可以利用，减少了废物和污染

C．每一级生产环节都获得产品，提高了生态经济效益

D．由于食物链延长，能量逐级损耗，系统总能量利用效率降低

答案

BD

阅读理解

根据短文内容完成句子

Newspapers and televisions often present the bad side of life to us. Life is, however, not so bad. The world is, on the whole, full of kind people and friendly strangers. Recently, a tourist in France was given a bunch of roses by a gardener as a token（标记）of friendship. In California, when a tourist’s car was badly damaged, a man who came by offered to tow（拖）the car to a repair shop. The repairman was so nice that he not only charged（收费）the tourist very little, but lent him a car to drive while he was repairing the tourist’s car. We can say that if you are friendly and expect to meet friendly people, you will most certainly meet them.

小题1:In California,          let the         use his own car when his car was damaged.

小题2:We get a wrong impression and the bad side of life from          .

小题3:         is taken from the garden as a token of          .

小题4:We can be sure that being          brings you friendship.

小题5:This passage mainly tells us that the world          .
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多项选择题

物业服务企业组织机构设置的影响因素包括( )。

A．内部协调因素

B．企业战略因素

C．技术因素

D．外部环境因素

E．组织规模及所处阶段
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