以NA表示阿伏加德罗常数，下列说法正确的是[ ] A．0．1mol Fe与足量盐

My relationship with my mother changed after I went to college. When I was at home, we小题1:about many things, for example, wearing makeup(化妆) and talking on the phone. One time, before a big party, she 小题2:to let me leave the house. She thought my makeup was too heavy. I had to wash my face before I went to the party. I was the only girl without makeup, and I was so小题3:. And when I talked to my friends on the phone, my mum always shouted to tell me to hang up, and the person I was talking to could hear her. Her小题4:always made me upset.

某电视台欲拍摄历史剧《北洋水师》，编写剧本时应参阅下列哪些人物的传记[ ]

A．孙中山、黄兴

B．林则徐、魏源

C．康有为、梁启超

D．邓世昌、丁汝昌

一个青年成长小组的发展状态是：组员之间关系密切，每个人的心里的承认自己是小组的一员，愿意在小组中表达自己的想法，但彼此间出现了竞争，有些人的语言和行为甚至带有攻击性，此时，社会工作者的任务包括（）

A.协助组员处理好冲突

B.关注小组目标的转化和追求

C.有目的的设计并引导小组按照特定的路径和方向发展

D.以焦点回归的方式把问题抛回组员，同他们一起寻找解决办法

宝石的发光现象叫（）。

A.磷光

B.阴极发光

C.荧光

D.紫外光

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