【简答题】人教版九年级下册数学课本第31页练习答案
【单选题】遇光易破坏,应用时需新鲜配制并避光的药物是
【判断题】The value of the sum of squares for regression, SSR, can never be smaller than 0.0.
【多选题】下列选项中属于维护消防档案完整性的是()。
A.
从数量上要保证档案的齐全,使应该集中和保存的档案不能残缺
B.
从物质上力求档案不遭受毁坏,尽量延长档案使用的时间
D.
不能人为地割裂分散,或者零乱堆放,更不能涂改勾画,使档案失真
E.
消防档案也具有一定的机密性,要防止档案遣失,保证档案不被盗窃,不被泄露
【单选题】Assuming that int a has a value of 3 and that integer array b has 7 elements, what is the correct way to assign the value of the sum of 3 and the third element, to the fifth element of the array?
A.
b[ a + 1 ] = b[ a ] + 3;
B.
b[ a + 1 ] = b[ a - 1 ] + 3;
C.
b[ a ] + 1 = b[ a + 3];
D.
b[ a + 2 ] = b[ a ] + 3;
【简答题】小林借了一本《有趣的数学》,一共l90页.他每天看31页,多少天可以看完?
【判断题】If the value of the sum of squares for error, SSE, equals zero, then the coefficient of determination must equal zero.