以下科研行为属于科研不端行为的是:
A. 论文一稿多投,或故意重复发表
B. 在科研课题验收、涉及人类受试者或实验动物的研究申请等材料中提供虚假信息、假冒他人署名
C. 对已知他人的科研不端行为故意隐瞒或不给予配合
D. 在未注明出处或未经许可的情况下,使用他人的研究计划、假说、观点、结果或文字表述(抄袭剽窃)
When the First World War broke out in 1914, America 's position was that it _______.
A. would support the Allies
B. would support the Central Powers
C. would remain neutral and isolated from European affairs
D. would make preparations to get into the war
____________ is the program of social and economic reform introduced by President Franklin D. Roosevelt to help the nation recover from the Great Depression.
A. Pan-Americanism
B. the Fair Deal
C. The Emancipation Declaration
D. The New Deal
It was the dispute over ____ that touched off the American Civil War.
A. the spols system
B. the slavery system
C. the serf system
D. federalism