A.June 4th

B.June 14th

C.July 4th

D.July 14th

正确答案：July 4th

10、The Senate is composed of 100 Senators who are elected to serve for a term of 2 years.。

A.正确

B.错误

正确答案：错误

11、If the President refuses to sign a bill， then the bill would never become a law.。

A.正确

B.错误

正确答案：错误

12、Which of the following is NOT one power of the President？

A.to appoint the judges

B.to make laws

C.to call the National Guard into federal service

D.to nominate the heads of all executive departments

正确答案：to make laws

13、The United States’；economy suffered；severely；from the two World Wars in the 20th century.。

A.正确

B.错误

正确答案：错误

14、The；“American system”；of mass production was first used in ；.

A.agriculture

B.textile industry

C.car industry

D.firearms industry

正确答案：firearms industry

15、The United States produces as much as half of the world’s ；.

A.tobacco；and vegetable oil

B.wheat

C.cotton

D.soybeans and corn

正确答案：soybeans and corn

16、Mark Twain was a great realist as well as a regionalist， or local color writer.。

A.正确

B.错误

正确答案：正确

17、The American educational system is based on the idea that as many people as；possible should have access to as much as education as possible.。

A.正确

B.错误

正确答案：正确

18、The United States has a national system of education.。

A.正确

B.错误

正确答案：错误

19、Which of the following does NOT belong to formal education in the US？

A.Secondary education

B.Higher education

C.Pre-elementary education

D.Elementary education

正确答案：Pre-elementary education

20、In order to go to university， secondary school students must meet the following；requirements EXCEPT；that（）.

A.they have high School records and recommendations from their teachers

B.they make good impressions during the interviews

C.they pass the college entrance examinations

D.they get good scores in the Scholastic Assessment Tests

正确答案：they pass the college entrance examinations

第三章单元测试

1、From west to east， Canada encompasses five time zones.。

A.正确

B.错误

正确答案：错误

2、The Five Great Lakes form a connected system that is the world’s largest body of fresh water.。