2【单选题】
In ( ), the first humans walked on the moon. A、1967 B、1968 C、1969 D、1970 我的答案：C 3【单选题】
President Nixon visited China in ( ). A、1971 B、1972 C、1973 D、1974 我的答案：B
4.11The Panama Canal 1
【单选题】
The Panama Canal was finally built by a ( ) consortium. A、France B、Italy C、Britain
D、America 我的答案：D 2【单选题】
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. 我的答案：C 3【判断题】
The aim to build the Panama Canal was to connect America and Panama.( ) 我的答案：×
4.12The Great Depression 1【单选题】
Which one is wrong about the Great Depression?( )
A、The Great Depression started with the crash of the New York stock market.
B、More than 9000 banks closed down.
C、It took a short time for the New York Stock to recover. D、Many people became homeless because of the Great Depression. 我的答案：C 2【单选题】
The Great Depression started in ( ). A、1929 B、1932 C、1933 D、1939 我的答案：A 3【单选题】
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. 我的答案：C 4【单选题】
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. 我的答案：D
4.13The Cold War 1【单选题】
Berlin Wall was ended in ( ). A、1989 B、1988 C、1987 D、1986 我的答案：A 2【单选题】
The Cold War began in ( ). A、1945 B、1946 C、1947 D、1948 我的答案：D 3【单选题】
