二战后美国经济发展的总态势为()。
A.美国政府加强对经济的干预
B.经济发展重心向西部和南部转移
C.现代跨国公司兴起
D.经济危机的烈度大大减低
参考答案:A, B, C, D
Mr. Lee spent the final time of his life in writing after finding out that he ________ soon.
A.would die
B.will die
C.died
D.has died
为了避免塔内浮阀阀片生锈,浮阀多采用()制造。