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【单选题】
直线回归分析中,回归系数的绝对值IbI越大,说明
A.
直线回归方程越好
B.
回归直线估计的效果越好
C.
回归直线的斜率越大
D.
回归直线的截距越大一
E.
回归方程越有价值
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参考答案:
举一反三
【单选题】The figure shows a statically indeterminate straight rod, an AC section is steel, and a CB section is aluminum. Then the bound forces N A and N B (in the direction shown) at the A and B ends satisfy t...
A.
B.
C.
D.
【多选题】下列各项记账方法中,属于复式记账法的有( )。
A.
借贷记账法
B.
增减记账法
C.
收付记账法
D.
单式记账法
【单选题】The figure shows a proton in a magnetic field. For which of the three proton velocities shown will the magnetic force be greatest?
A.
(a)
B.
(b)
C.
(c)
【简答题】Mr Smith from London. Now he is in China. He is .He teaches English a middle school. He works very hard. His students like very much. He can a little Chinese . His students often teach  him Chinese Su...
【单选题】He works very ().
A.
hard
B.
hardly
C.
harder
D.
harded
【多选题】下列各项中,属于复式记账方法的有( )。
A.
借贷记账法
B.
收付记账法
C.
增减记账法
D.
盈亏记账法
【简答题】犬基础美容的步骤有 、 、 、 、 。
【单选题】The figure shows a linear (straight-line) demand curve. Starting at point A and then moving to point B and then point C, the price elasticity of demand
A.
increases.
B.
decreases.
C.
increases and then decreases.
D.
decreases and then increases.
【单选题】下列关于课文的表述不正确的一项是 ( )
A.
A. 《未选择的路》一诗中作者运用象征手法将生活中一个极普通的意象赋予了诸多的内涵和人生哲理。
B.
《寻梦者》感情真挚深沉,艺术精熟圆润,唱出了诗人和他那一代知识分子寻求理想、憧憬光明、历经磨难、上下求索的心路历程。
C.
《我来到这个世界为的是看太阳》采用了复沓手法使得作品的主题不断提升,情绪不断高扬,从而突出了主题。
D.
《寻梦者》中诗人在每一小节 “蓄势——起势——升发”的诗格形式,整首诗歌绵密而通脱,典雅而有致。
【简答题】Mr. Smith 36 from London. Now he is in China. He is 37 .He teaches 38  a middle school. He works very hard. His students like  39 very much. He can 40  a little Chinese. His students often teaches h...
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