ceil(-2.1)+floor(-2.1)+fix(-2.1)的结果为（）。

Smoking is so harmful to personal health that it kills ______ people each year than automobile accidents. A. seven more times B. seven times more C. over seven times D. more seven times A: seven more times seven times more C. over seven times D. more seven times B: seven times more over seven times D. more seven times C: over seven times more seven times D: more seven times

商业银行向某单位发放一笔短期贷款的会计分录是（ ）。 A: 借：贷款——短期贷款——××单位贷款户贷：吸收存款——定期存款——××单位存款户 B: 借：贷款——短期贷款——××单位贷款户贷：银行存款——活期存款——××单位存款户 C: 借：吸收存款——活期存款——××单位存款户贷：贷款——短期贷款——××单位贷款户 D: 借：贷款——短期贷款——××单位贷款户贷：吸收存款——活期存款——××单位存款户

超高真空的范围在( )。 A: 1.33 × 10-6 ~ 1.33 × 10-12pa B: 1.013×105 ~ 1.33 × 103Pa C: 1.33 × 10-1 ~ 1.33 × 10-6 Pa D: 1.33 × 103 ~ 1.33 × 10-1 Pa

下列关于计划的标题中，计划名称使用不当的是（ ） A: ××大学2018级新生军训工作要点 B: ××省国民经济和社会发展五年计划 C: ××大学2018年科研工作规划 D: ××公司第一季度销售方案

函数y=ln(1－x)＋√x＋2的定义域是()。 A: [-2.1] B: [-2.1) C: (-2.1] D: (-2,1)

Asia is _____ Europe. A: four times as large as B: as large four times as C: as large as four times D: as four times large as

The earth is _______ of the moon. A: 49 times the size B: 49 times size C: 49 times as big as that D: 49 times big

The earth is ______ the moon. A: as 49 times big B: 49 times as bigger as C: 49 times as big as D: as big as 49 times

This box is ____ that one. A: three times as bigger as B: three times as big as C: as three times big D: as big as three times