主张“与民分货”的先秦思想家是（）A.韩非 B.邓析 C.公孙侨 D.管子

下列选项属于经营产品开发构思诊断的方法的是（）

A、属性排列法

B、强制关系法

C、趋势分析法

D、结构分析法

　　下面的材料是用来准备《谈谈豆腐》这篇说明文的，为了做到条理清楚，请将这些材料分三类进行概括。（每句不超过8个字）

　　①豆腐中含有丰富的硫胺素、核黄素、烟酸。②吃豆腐可以清热、利尿、益气宽中、消胀散气。③拌豆腐清凉可口，鲜嫩色美。④用豆腐一斤，麦芽糖二两，生萝卜汁一杯，混合煮开，一日两次可治哮喘病。⑤豆腐可以煎，可以炒，可以涮。⑥豆腐对便秘、下血、白浊、乳少有明显的疗效。⑦鱼头豆腐、砂锅豆腐、麻辣豆腐都是我国驰名中外的传统名菜。⑧根据科学分析，二两鲜豆腐中含有蛋白质7.4克，脂肪3.5克，钙227毫克，磷57毫克，铁 2.1毫克。

（1）概括_____________，归此类的序号：_________________________

（2）概括_____________，归此类的序号：_________________________

（3）概括_____________，归此类的序号：_________________________

在以下设计方案技术经济分析方法中，适合于项目期不同的互斥方案比较的是( )。

A．费用现值法

B．费用年值法

C．内部收益率法

D．净现值法

Visitors to this country are normally admitted for six months, but foreign students can usually stay for one year. They must (52) an educational institution, and they are required to study for a minimum of fifteen hours a week on a (53) course. Prospective students have to show that they can afford their studies, and that they have sufficient (54) resources to support themselves (55) in this country.

In order to work here the foreigner needs a work permit, (56) must be applied for by his prospective employer. The problem here is that the Department of Employment has the right to grant or (57) these permits, and there is little that can be done (58) it; it would be extremely unwise for a foreign visitor to work (59) a permit, since anyone doing so is liable to immediate deportation (驱逐出境). There are some people from the Common Market countries, who are often given (60) residence permits of up to five years. Some other people, such as doctors, foreign journalists, authors and others can work without permits, and foreign students are normally allowed to (61) part-time jobs while they are studying here.

56().

A.when 

B.what 

C.where 

D.which

病史采集中遇到哪些情况应考虑颅内肿瘤？