单项选择题
One of the important decisions at the Yalta Conference was（）
A.the allied landing at Normandy B.the setting-up of a world organization,the United Nations,to manage peace and security after the war C.coordinated efforts in war against Japan D.None of the above
单项选择题 Overlord is a code name for（）
单项选择题 American war time objectives were（）
单项选择题 The consequence of the three neutrality acts of the United States was（）
