问题 填空题

在面向对象的程序设计中,类描述的是具有相似性质的一组______。

答案

参考答案:对象

解析: 将属性、操作相似的对象归为类,也就是说,类是具有共同属性、共同方法的对象的集合。

阅读理解

Canada is a very large country. It is the second largest country in the world .By contrast it has a very small population. There are only about 29 million people there. Most Canadians are of British or French origin(后裔), and French is an official language of Canada as well as English .About 45%of the people are of British origin, that is, they or their parents or grandparents, etc, come from British. Nearly 30% are of French origin. Most of the French–Canadians live in province of Quebec.

Over the years, people have come to live in Canada from many countries in the world .They are from many countries in the world .They are from most European countries and also from China, besides other Asian countries.

However, Canada was not an empty country when the Europeans began to arrive. Canadian Indians lived along the coast, by the rivers and lakes and in forests. Today, there are only about 350,000 Indians in the whole country, with their own languages. In the far north live the Inuit. There are only 27,000 Canadian-Inuit. Their life is hard in such a difficult climate.

小题1:The phrase “By contrast” in the passage means ____.

A.同时

B.相比之下

C.而且

D.实际上小题2:About ____ live in Quebec.

A.30% of the French –Canadians

B.45% of the Canadians

C.27,000 people

D.350,000 French – Canadians小题3:The official languages of Canada are ____.

A.English and Chinese

B.French and English

C.Indian and French

D.Chinese and Inuit小题4:About 23% of people in Canada came from _____.

A.China

B.England

C.France

D.some other countries except France and Britain

名词解释