问题 问答题 简答题

IEEE802.11将BSS定义为无线局域网的基本单元,其功能包括哪些?

答案

参考答案:DCF;PCF

材料分析题

丽丽是个身体微胖的小女孩,其实同学们都觉得她挺可爱,可是丽丽却非常在乎自己的体重,她认为自己胖得难看,羞于见人甚至连镜子也不敢照了。请你联系教材知识,思考并回答下列问题。

(1)漫画中的小主人公是什么心理?

                                                                                                                                         

(2)请你送一句鼓励她自信的格言或警句

                                                                                                                                         

                                                                                                                                           (3)自信者有哪些有助于成功的心理品质?请简要说明

                                                                                                                                          

填空题