C、There are many traditions.

D、The society is classless.

正确答案：C

2、Which one is wrong about John D. Rockefeller?( ).

A、General Electric is one of his companies.

B、At first, he worked as a bookkeeper.

C、When he was 20, he started his own company.

D、He donated all his money to the Rockefeller Foundation.

正确答案：D

3、Which one is wrong about Thomas Edison?( )

A、He was educated in school.

B、His first job is telegraph operator.

C、He had many patents.

D、He invented electric light bulb.

正确答案：A

4、Because the northern America is cold, James Naismith invented basketball which is a good sport for winter.( )

正确答案：√

4.10Timeline of Major Events (1900-2014)

1、The first long distance telephone was built in ( ).

A、1915

B、1916

C、1917

D、1918

正确答案：A

2、President Nixon visited China in ( ).

A、1971

B、1972

C、1973

D、1974

正确答案：B

3、In ( ), the first humans walked on the moon.

A、1967

B、1968

C、1969

D、1970

正确答案：C

4.11The Panama Canal

1、Why did the French consortium gave up to build the canal?( )

A、Because it was too expensive.

B、Because many people died.

C、Because the topography in Panama was difficult to build a canal.

D、Because the American government decided to buld it by themselves.

正确答案：C

2、The Panama Canal was built by a ( ) consortium.

A、America

B、Italy

C、Britain

D、France

正确答案：A

3、The aim to build the Panama Canal was to connect America and Panama.( )

正确答案：X

4.12The Great Depression

1、Which one is not the results of the Great Depression?( )

A、GDP went down.

B、Income fell.

C、Unemployment rate increased.

D、Farmers had no food to eat.

正确答案：D

2、Which one is wrong about Franklin Delano Roosevelt?( )

A、He was also known as FDR.

B、He give American people confidence during the Great Depression.

C、He was elected as president for 3 times.

D、He started many government programs to provide work to people.