世界观与人生观关系密切。人生观决定世界观,有什么样的人生观,就会有什么样的世界观。____
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“躺平”作为一种生活态度,往往与年轻人在压力面前主动选择放弃、回避与退却有关。____
回归分析中，F检验主要是用来检验
A. 相关系数的显著性
B. 回归系数的显著性
C. 线性关系的显著性
D. 估计标准误差的显著性
若两个变量存在负线性相关关系，则建立一元线性回归方程得到的判定系数R平方的取值范围是
A. [0,1]
B. [-1,0]
C. [-1,1]
D. 小于0的任意数
What following fact is NOT true about The U.S.A. and World War I?
A. Shortly after World War I erupted in Europe, President Wilson called on Americans to be “neutral in thought as well as deed.” The United States, however, quickly began to lean toward German.
B. American involvement in World War I lasted from the summer of 1917 to the armistice that ended the war in November 1918 --- just over one year.
C. America largely profited from trading with both the Allies and Central Powers.
D. The newspaper publication of Zimmerman Note, an intercepted telegram led Wilson to demand a declaration of war.
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