题目内容
关于稀释性潜在普通股，下列说法中正确的有（）。 A．公司存在稀释性潜在普通股的，应当分别调整归属于普通股股东的当期净利润和发行在外普通股的加权平均数 B．稀释性潜在普通股是指假设当期转换为普通股会减少每股收益的潜在普通股 C．稀释性潜在普通股是指假设当期转换为普通股会增加每股收益的潜在普通股 D．稀释性潜在普通股是指假设当期会减少本期利润的潜在普通股 E．稀释性潜在普通股是指假设当期会减少本期利润总额的潜在普通股E．
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（四）
某公司承建一座市政桥梁工程，桥梁上部结构为9孔30m后张法预应力混凝土T梁，桥宽横断面布置T梁12片，T梁支座中心线距梁端600mm，T梁横截面如图1所示。
项目部进场后，拟在桥位线路上现有城市次干道旁租地建设T梁预制场，平面布置如图2所示，同时编制了预制场的建设方案：（1）混凝土采用商品混凝土。（2）预测台座数量按预制工期120d、每片梁预制占用台座时间为10d配置。（3）在T梁预制施工时，现浇湿接缝钢筋不弯折，两个相邻预制台座间要求具有宽度2m的支模及作业空间。（4）露天钢材堆场经整平碾压后，表面铺砂厚50mm。（5）由于该次干道位于城市郊区，预制场用地范围采用高1．5m的松木桩挂网围护。
监理审批预制场建设方案时，指出预制场围护不符合规定，在施工过程中发生了如下事件：
事件1：雨季导致现场堆放的钢绞线外包装腐烂破损，钢绞线堆场处于潮湿状态。
事件2：T梁钢筋绑扎、钢绞线安装、支模等工作完成并检验合格后，项目部开始浇筑T梁混凝土，混凝土浇筑采用从一端向另一端全断面一次性浇筑完成。
【问题】
1．全桥共有T梁多少片？为完成T梁预制任务最少应设置多少个预制台座？均需列式计算。
2．列式计算T梁预制场平面布置示意图中预制台座的间距B和支撑梁的间距1。（单位以m表示）
3．给出预制场围护的正确做法。
4．事件1中的钢绞线应如何存放？
5．事件2中，T梁混凝土应如何正确浇筑？
请根据短文内容，回答题。
Generation M （多媒体的一代）
Being able to multitask is considered by most people as a welcome skill, but not according to a recent study which claims that young people between the ages of eight and eighteen of the so-called Generation M are spending a considerable amount of their time in fruitless efforts as they multitask. It argues that, in fact, these young people are wasting away as much as half of their time again as they would if they performed the very same tasks one after the other.＜br＞
Some young people are juggling an ever larger number of electronic devices as they study. At the same time that they are working, young adults are also surfing on the lnternet, or sending out emails to their friends, and / or answering the telephone and listening to music on their iPods or on another computer. As some new device comes along, it too is added to the list rather than replacing one of the existing devices.＜br＞
Other research has indicated that this multitasking is even affecting the way families themselves function as young people are too wrapped up in their own isolated (孤立的，隔绝的 )worlds to interact with the other people around them. They can no longer greet family members when they enter the house nor can they eat at the family table.＜br＞
All this electronic wizardry (魔力，法术 ) is also seriously affecting young people&39;s performance at university and in the workplace. When asked about their perception (看法，见解 )of the impact of modem gadgets (小巧的机械装置 ) on their performance of tasks, the overwhelming majority of young people gave a favourable response.＜br＞
The response from the academic and business worlds was not quite as positive. The former feel that multitasking with electronic gadgets by children affects later development of study skills, resulting in a decline in the quality of writing, for example, because of the lack of concentration on task completion. They feel that many undergraduates now urgently need remedial (补救的) help with study skills. Similarly, employers feel that young people entering the workforce need to be taught all over again, as they have become deskilled (失去技能) .＜br＞
While all this may be true, it must be bome in mind that more and more is expected of young people nowadays; in fact, too much. Praise rather than criticism is due in respect of the way today&39;s youth are able to cope despite what the older generation throw at them.
According to a recent study， what is probably true about the multitasking Generation M？ 查看材料
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