单项选择题
What was the main cause of the Second World War?（）
A.The main cause was big power struggle for control of the world. B.It was the worldwide economic crisis. C.It was the military expansion of Japan,and Germany.
单项选择题 One of the signs of the awakening of the American Indians is（）
单项选择题 Some people Asian-Americans owe their success to the Asian tradition of（）
单项选择题 The most important obstacle to Hispanic success in the labor market is（）
