Every weekend sees a lot of people, even aged people, coming into colleges and schools for their classes. Students on campus often complain that it isn’t easy for them to find a classroom to study in on weekends because adult schools occupy many classrooms.
There are a number of reasons for this phenomenon. Some people spare no efforts in attending TOEFL, GRE, GMAT coaching classes, hoping to pass the examinations as soon as possible and get a high score, just because they are eager to get an opportunity to go abroad. Some people choose to attend some classes like English because they must pass some required exams in order to be promoted to higher professional titles. Some other people may have to attend certain vocational classes because the formal school training they have received is far from what is needed in their work or because they have lost their previous job and they are anxious to find a new one. And still others may take such classes as those in painting
A. the present situation of adult education
B. possible reasons for this phenomenon
C. its benefits
【背景资料】
某施工企业通过投标获得了某机电安装工程的施工总承包任务，该施工企业中标后的第10天与业主签订了固定总价机电安装施工总承包合同。随后，该施工企业将部分主体工程分包给具有相应资质条件的分包人，并签订了分包合同。施工总承包合同中约定的合同工期为380天，而依施工预算定额该工程工期应为360天。在合同履行过程中，施工总承包单位发现施工图设计文件中提供的某些工程尺寸有误，遂提出更正。
【问题】1．按承包工程的范围不同可将工程承包合同分为哪几类
2．该工程中的分包合同是否成立为什么
3．该工程的实际工期为多少天为什么
4．订立工程承包合同应遵循的原则是什么
5．如果该工程的工程量增加，那么施工总承包合同的合同价款应如何调整该工程中的工程量风险和价格风险由谁来承担
6．简述工程承包合同的变更程序。
Although we already know a great deal about influenza, and although the World Health Organization is constantly collecting detailed information from its chain of influenza reference laboratories throughout the world, it is extremely difficult for epidemiologists (流行病专家), who study infectious disease, to predict when and where the next flu epidemic will occur, and how severe it will be.
There are three kinds of influenza virus, known as A, B and C. Influenza C virus is relatively stable and causes mild infections that do not spread far through the population. The A and B types are unstable, and are responsible for the epidemics that cause frequent concern. Following any virus attack, the human body builds up antibodies which confer immunity to that strain of virus, but a virus with the capacity to change its character is able to by-pass this protection. Variability is less developed in the influenza B virus, which affects only human beings. An influenza B virus may cause a
A. B virus is relatively stable and causes mild infections that do not spread far through the population
B. B virus is unstable, and is responsible for the epidemics that cause frequent concern
C. B virus is extremely unstable and is responsible for some of the worst outbreaks of the disease
D. B virus has a very developed variability, and it affects only human beings.
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