总体X～N(μ，σ2)，则2+μ的极大似然估计值为______．

Cell Phones: Hang Up or Keep Talking? Millions of people are using cell phones today. In many places it is actually considered【C1】______ (usual) not to use one. They find that the phones are more than a means of【C2】______ (communicate) —having a mobile phone shows that they are cool and【C3】______ (connect). The【C4】______ (explode) around the world in mobile phone use make some health professional worried. Some doctors are【C5】______ (concern) that in the future many people may suffer health problems from the use of mobile phones. In England, there has been a serious debate about this issue. Mobile phone companies are worried about the negative【C6】______ (public) of such ideas. They say that there is no【C7】______ (prove) that mobile phones are bad for your health. On the other hand, signs of change in the issues of the brain and head can be【C8】______ (detect) with modern scanning equipment. What is it that makes mobile phones【C9】______ (potential) harmful? The answer is radiation. As the discussion about their safety continues, it appears that it's best to use mobile phones less often. Use your regular phone if you want to talk for a long time. Use your mobile phone only when you really need it. Mobile phones can be very useful and convenient, especially in emergencies. In the future, mobile phones may have a【C10】______ (warn) label that says they are bad for your health. So for now, it's wise not to use your mobile phone too often.

试述莱宁格的跨文化护理理论的主要概念。

北京市人大常委会制定的《北京市控制吸烟条例》于2015年6月1日起施行。该条例是______

妇人转胞不得溺，烦热不得卧而反倚息，宜______

简述爱国主义与弘扬时代精神的统一。

时隙交换器主要是由______和控制存储器(CM)组成。

世居吴家桥， 去 县城东南三十里

《金匮要略》中，“心气不足，吐血，衄血，泻心汤主之”，其病机是______

______是领导者必不可少的基础性素质

What were the theory of language and the theory of learning underlying the Grammar-Translation Meth

若二叉树(如下图所示)采用二叉链表存储结构，要交换其所有分支结点左右子树的位置

实行成本核算的事业单位在收到应收票据的利息时应记入“管理费用”。

我国的存款性金融机构主要包括______

periodic payments

(1)简述决策行动的收益函数和损失函数的定义．(2)在统计决策理论中，常用的数学函数式的损失函数有哪几种?并说明它们各自的方程式．

在Windows中，为了防止显示器老化，在暂时不使用计算机时，可以通过设置______来保护显示器。

下列不属于企业选址的方法的是______

白喉杆菌获得产生白喉外毒素基因的途径是通过______

以下属于内部规模不经济的是______