日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美 国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线

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

微信掃碼免費(fèi)搜題