X公司和Y公司是机床行业的两个竞争者，这两家公司的主要产品的需求曲线分别为：PX=1000-5QX；PY=1600-4QY。公司X、Y现在的销售量分别是100个单位和250个单位。假定Y公司目标是谋求销售收入极大，你认为它降价在经济上是否合理？

[单选题]Passage 1    Results showed that at least a tenth of the Harvard first-year undergraduates polled admitted to having cheated on an exam prior to starting at the university, while almost half admitted to cheating on their homework. An anonymous survey by Harvard's newspaper has revealed a surprising pattern of academic dishonesty among studertts entering the US universities.    The survey by The Harvard Crimson was emailed to the incoming first year undergraduates; 1,600 students responded. Results showed that at least a tenth of the students polled admitted to having cheated on an exam prior to starting at the university, while almost half admitted to cheating on their homework.    Athletes were apparently the most prone to cheating. 20 percent of students who played a university sport admitted to cheating on an exam compared to 9 percent of students who did not. The survey also revealed that men were not only more likely to cheat but were also more likely to admit to it.    The results, compared to a previous survey done on the class of 2013, suggested that cheating may be becoming more commonplace. Of the outgoing seniors only 7 percent admitted to cheating in an exam and another 7 percent said they had been dishonest on a take-home test. 32 percent of the seniors said they had cheated on homework during their undergraduate years.    The surveys come in the wake of a cheating scandal at the university which saw 120 students investigated for sharing answers on an exam in 2012. One recent graduate stated: "Cheating was commonplace when I was at Harvard, especially with students in their first year or two. I would say as many as 60 per cent of students took notes into some exams. No one really cared the faculty, well some of them at least, seemed to recognize and yet ignore the problem."    In an email to NBC News, Jeff Neal, a Harvard representative, explained that a committee, made up of faculty, staff and students had been established to tackle cheating, which "is a national problem in American education".    He added: "While the vast majority of Harvard and other students do their work honestly, beginning this year Harvard College has implemented a new, more robust strategy of communicating with all students, particularly first-year students, about the importance-and the ways to achieve- academic integrity."    In a rebuff to critics who say university has become little more than an expensive party, 84 per cent of the responding undergraduates fully expected to prioritize their academics over extracurricular activities, sport, employment and their social lives. Not a single student put academics at the bottom of their list. Not content with confining themselves to their degree subject, 59 percent of incoming students expressed a desire to pursue a secondary field of study, and 36 percent hoped to learn a language.What does the author mean by saying "The results,... suggested that cheating may be becoming more commonplace." (Para. 4)?

[单选题]鼻咽癌高剂量率后装治疗施源器安装（　）

[单选题]《淮安市档案管理办法》规定：主办单位在制定重大事项实施计划时应当同时制定档案收集方案，确定机构和人员负责相关材料的收集、整理、归档工作，并及时通知（）。

[判断题]导线的接头必须先用黄腊带包扎严密，再用塑料胶带包扎好。

[问答题]扎实推进扶贫生态移民攻坚行动，要为符合条件的搬迁户解决好哪些问题？

[多选题]唐朝的法律形式主要有四种即（）。

[判断题]“护羌校尉朝乘障，破虏将军夜渡辽。”（王维《出塞作》）句中“朝”字读音为cháo。（）

[单选题]统计学中有一种重要的方法称为抽样调查，它通过调查部分样本数据，对整体状况进行推断。为保障抽样调查数据的客观性，通常会使用随机抽象方法。现在假设你需要调查学校同学平均上网时间，设计调查方法，以下哪种调查方法是随机抽样？（）

[多选题]手机银行基金快速赎回说法正确的是：（）

[判断题]重点调查通常用于经常性的连续调查。

[问答题]X公司和Y公司是机床行业的两个竞争者，这两家公司的主要产品的需求曲线分别为：PX=1000-5QX；PY=1600-4QY。公司X、Y现在的销售量分别是100个...

[问答题]X公司和Y公司是机床行业的两个竞争者，这两家公司的主要产品的需求曲线分别为：P X=1000-5Q X；P Y=1600-4Q Y。公司X、Y现在的销售量分别是...

[问答题]X公司和Y公司是机床行业的两个竞争者，这两家公司的主要产品的需求曲线分别为：P X=1000-5Q X；P Y=1600-4Q Y。公司X、Y现在的销售量分别是...

[单选题]按照竞争者的反应模式可以将竞争者分成如下四种：从容型竞争者、（）、凶狠型竞争者、随机型竞争者。

[单选题]按照竞争者的（）可以将竞争者分成如下四种：从容型竞争者、选择型竞争者、凶狠型竞争者、随机型竞争者。

[判断题]本地竞争者是近竞争者，外国竞争者则是远竞争者。（）

[判断题]本地竞争者是近竞争者，外国竞争者则是远竞争者。

[判断题]分析竞争态势时，企业只需分析产品的竞争者、替代产品的竞争者和潜在的竞争者。

[判断题]产品形式竞争者和品牌竞争者是不同行业的竞争者。（）

[判断题]产品形式竞争者和品牌竞争者是不同行业的竞争者。