问题 单项选择题

在某次学术会议上,有人发现:凡是认识李博士的人,张教授都认识;只要是有些人不认识的人,赵研究员全都认识:新参加会议的研究生小王不认识与会的任何人。根据以上陈述,可以得出()。

A.张教授与赵研究员相互认识

B.张教授认识赵研究员,但赵研究员不认识张教授

C.张教授与赵研究员相互不认识

D.张教授不认识赵研究员,但赵研究员认识张教授

答案

参考答案:A

解析:考查直接推理。由"小王不认识任何人"可以推出"小王不认识李博士和张教授",即"李博士和张教授是有些人不认识的人",再根据"只要是有些人不认识的人,赵研究员全部认识",可推出"赵研究员认识李博士和张教授":接着由"凡认识李博士的人,张教授都认识"可推出"张教授认识赵研究员",即张教授和赵研究员互相认识。故选A。

阅读理解

阅读理解。

    Life  in  the  future willbe different from that oftoday.  Many  changes  willtake place.  Here  is some

information about things that may happenin the future.        

    1. Cars will run on solar(日光的) power orelectricity and will be much cleaner. They willbe much safer. For example, if you are too closeto another car or if you are driving dangerously,your car will slow down

by itself.        

    2. Because there won ' t be any spare land,new cities will have to be built in the sea. Somecities on

water will have two levels. People willlive on the above level; the lower level will beused for traffic, shops

and

factories.          

    3. Biotechnology(生物技术) will  make  foodbetter and healthier. Plants that are not affectedby insects or illnesses will be developed. Thetaste of fruit and vegetables will be better andfood will be kept longer.    

    4. New technology will be used to makeTVs that are only 5cm thick. They will havepictures that are

as clear as photos. Electricalappliances(家用电器)will be quieter and will becontrolled by computer ,

they will also use so%less power.      

    5. Many new ways to cure illnesses will besuccessful by using products of geneticengineering(基因产品). Cures will be found forthe flu and the common cold. However, somenew illnesses will appear.

1. How much information about things that  may happen in the future is mentioned in thispassage?  

A. 3        

B. 4        

C. 5        

D. 6

2. When your car is too close to another  car or if you are driving dangerously, what   will happen? Your car will ________.  

A. stop by itself  

B. slow down by itself  

C. go straight as usual  

D. go fast by itself

3. Why will people have to build new  cities in the sea? Because ________.    

A. there won't be any spare land   

 B. it's very exciting    

C. people can see the sea easily    

D. it's easy to build in the sea

4. What will the biotechnology be used  for? It'll make food ________.  

A. better  

B. healthier  

C. keep longer  

D. better and healthier  

5. The best title for the passage is ________.  

A. Get ready for the future  

B. Biotechnology  

C. Electrical appliances  

D. Genetic engineering

单项选择题