在刘克庄的《念奴娇》中，借用了哪位思想家来形容自己和朋友？

阅读下面材料，在空白处填入适当的内容(不多于3个单词)或括号内单词的正确形式。

Some students who had graduated visited their university professor. The conversation soon turned into complaints about stress in work and life. To offer his guests coffee, the professor   小题1:  (go) to the kitchen and returned with a pot of coffee and   小题2:  variety of cups—porcelain, plastic, glass, some plain-looking, some expensive—telling them to help   小题3:  to the coffee.

 小题4:  was when all the students had a cup of coffee in hand that he said, “All the nice-looking expensive cups have been taken up,   小题5:  (leave) behind the plain and cheap ones. Actually, the cup itself adds no quality to the coffee.   小题6:  all of you really want is coffee, not the cup.You consciously went for the best cups,   小题7:  then you began eyeing others’ cups.”

“Now consider this Life is the coffee; the jobs, money and position in society are the cups,   小题8:    are just tools to hold and contain life. The type of cup we have does not change the quality of life . If we concentrate only   小题9:  the cups, we fail to enjoy the coffee. I   小题10:  (true) hope that you will never let the cups drive you ... enjoy the coffee instead.”

绘制一个洋葱表皮细胞结构图，并注明各部分的名称。

在阳光下检测呼吸作用，结果不显著，其原因是（　　）

A．呼吸作用停止

B．呼吸作用减弱

C．蒸腾作用旺盛

D．光合作用较强

贫富差距作为一个社会问题，其关键在于（）。

A、是否存在贫富差距

B、贫富差距的消灭

C、贫富问题的取消

D、贫富差距的大小及贫富阶层是否固化

慈善组织可以开展医疗康复教育培训等慈善服务吗？