试题题干
America government investments have been directed towards public works of scale (such as form the Hoover Dam), （ ）, and the financial industry.
参考答案
正确答案：
试题解析
美国政府的投资主要用于规模公共工程（例如胡佛大坝），军工合同和金融业。
America government investments have been directed towards public works of scale (such as form the Hoover Dam), （ ）, and the financial industry.
美国政府的投资主要用于规模公共工程（例如胡佛大坝），军工合同和金融业。