PET的优点包括（ ） The advantages of PET include( ) A、可以检测早期肿瘤……

未分类题二进制数值10110．1l转换为十进制数为( )。A.22 ．75B.26.6C.16．CD.22.85

未分类题关于活动窗口( )是不正确的。D.重叠的窗口都可以成为活动窗口

单项选择题关于差异交往理论，以下说法错误的是：

未分类题一但断电，剪贴板中的内容不复存在。( )B.错误

问答题新华社区想要为社区内残疾人设计一个促进残疾人就业项目，针对项目中可能遇到的突发情况，你将如何对此项目风险管理？

单项选择题【单选题】( )是中国精神的忠实继承者和坚定弘扬者。 A. 中华民族 B. 中国人民 C. 中国共产党 D. 中国先进知识分子

单项选择题CPU可以直接访问的存储器是（ ）。A. 硬盘B. 内存C. 软盘D. 光盘

问答题3

单项选择题大众媒介方式传播的主要优点是传播速度快、范围广、影响大、适用面宽。（ ）

未分类题Many people wrongly believe that when people reach old age,-their families place them in nursing homes. They are left in the(51)of strangers for the rest of their lives. Their(52)children visit them only occasionally, but more often, they do not have any regular visitors. The truth is that this idea is an unfortunate myth-an(53)story. In fact, family members provide over 80 percent of the care(54)elderly people neeD.Samuel Prestoon, a sociologist, studied(55)the American family is changing. He reported that by the time the average American couple reaches 40 years of age, they have more parents than children(56), because people today live longer after an illness than people did years (57), family members must provide long term carE.More psychologists have found that all caregivers(58)a common characteristic: All caregivers believe that they are the best people for the joB.In other words, they all felt that they(59)do the job better than anyone elsE.Social workers(60)caregivers to find out why they took(61)the responsibility of caring for an elderly relativE.Many caregivers believed they had obligation to help their relativE.Some stated that helping others(62)them feel more useful. Others hoped that by helping(63)now, they would deserve care when they became old and(64). Caring for the elderly and being taken care of can be a mutually satisfying experience for everyone who might be(65)D.homes