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單項(xiàng)選擇題

The serious economic crisis in the late 1920s and 1930s first brought about by（）

A.bank failures　
B.serious unemployment
C.farm foreclosures　
D.the stock market crash

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單項(xiàng)選擇題

One of the serious weaknesses in American economy in the 1920s was（）

A.uncontrolled speculation in the stock market
B.tariff protection
C.huge profits of big businesses
D.too much control over the banking system

單項(xiàng)選擇題

Sacco and Vanzetti were sentenced to death and executed because（）

A.of their radical political views
B.they were guilty of killing two people
C.they were members of KKK
D.they stole$16,000