现代教育派的代表人物是（）。A．杜威 B．陶行知 C．布鲁纳 D．柏拉图

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

重整催化剂技术的发展对工艺技术的发展有什么影响？

复发性口疮目前认为病因是（）

A.细菌感染

B.病毒感染

C.营养不良

D.多种因素

E.局部刺激

碱性废水的处理方法有：（）

A.酸性废水相互中和法，药剂中和法

B.药剂中和法，过滤中和法

C.过滤中和法，药剂中和法

D.以上都不是