题目内容

条件同上题，试问，挡土墙抗倾覆稳定性安全系数K2最接近于下列()项数值。

A. 1.5
B. 2.22
C. 2.47
D. 20.12

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如下图所示的简支梁，其截面为不对称工字形，材料为Q235-A·F，钢梁的中点和两端均有侧向支承，上面承受有集中荷载(未包括梁自重)F＝160kN(设计值)的作用，中和轴位置如图。
截面对x轴的惯性矩为()。

A. 93440cm4
B. 95860cm4
C. 96736cm4
D. 98640cm4

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What's the main idea of this passage？

A. How to become a winner in small business.
B. How to be a successful boss in multinational corporations.
C. How to deal with the ups and downs in small business.
D. How to conquer new markets and gain the largest profit.

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As the speed of change brings design ______ fashion, then decisions about taste will have

A. near to
B. nearer to
C. next to
D. close to

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Talks on climate change resumed in the German city of Bonn on July 16 to ______ global warming.

A. focus on
B. combat
C. settle down
D. sum up

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条件同上题，试问，挡土墙抗倾覆稳定性安全系数K2最接近于下列()项数值。

A. 1.5 B. 2.22 C. 2.47 D. 20.12

如下图所示的简支梁，其截面为不对称工字形，材料为Q235-A·F，钢梁的中点和两端均有侧向支承，上面承受有集中荷载(未包括梁自重)F＝160kN(设计值)的作用，中和轴位置如图。截面对x轴的惯性矩为()。

What's the main idea of this passage？

As the speed of change brings design ______ fashion, then decisions about taste will have

Talks on climate change resumed in the German city of Bonn on July 16 to ______ global warming.

A. 1.5
B. 2.22
C. 2.47
D. 20.12

如下图所示的简支梁，其截面为不对称工字形，材料为Q235-A·F，钢梁的中点和两端均有侧向支承，上面承受有集中荷载(未包括梁自重)F＝160kN(设计值)的作用，中和轴位置如图。
截面对x轴的惯性矩为()。