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问题 单项选择题 案例分析题

背景材料：

某房屋基坑工程（深度4m），采用明排水，土钉墙支护。设计要求土钉墙的坡度不大于1：0.1，土钉采用HRB335，直径18钢筋，土钉长度均为4．5m，土钉设计拉力为65kN，喷锚支护厚度为80mm（C20混凝土），内配钢筋网φ8@200。设计要求基坑分两层开挖（2m+2.0m）及喷锚支护。

某标准员在该项目施工中，编制了执行工程建设标准强制性条文落实计划表，见表1请根据上述背景资料完成以下选项，选项类型根据各小题注明要求。

（单选题）该工程基坑施工的设计工况为（）。

A.先挖基坑，后做土钉墙

B.先做土钉墙，后挖基坑

C.先挖2m基坑后做土钉墙，再挖2m基坑再做土钉墙

D.先做土钉墙后挖2m基坑，再做土钉墙再挖2m基坑

答案

参考答案：C

选择题

如图人为体消化系统组成示意图．下列有关叙述中不正确的是（　　）

A．①分泌的消化液中不含消化脂肪的酶

B．②分泌的消化液能初步消化蛋白质

C．③分泌的消化液不能消化淀粉

D．④是消化食物和吸收营养物质的主要器官
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单项选择题

Questions from 31 to 35 are based on the following passage: China’s trade volume surged in 2010. The development wasn’t only in quantity, but also in quality — namely structure diversification.The European Union, the United States and Japan remained China’s top 3 largest trading partners in 2010.But trade volumes between China and other emerging economies increased also. Bilateral trade volumes between China and other BRIC nations — Brazil, Russia and India — all jumped more than 40 percent. That made India China’s tenth largest trading partner.Huang Guohua, Statistics Department Director of General Administration of Customs said “Trade volume between China and emerging economies increased faster than that with the traditional market. It indicates that China’s foreign trade is diversifying, and showing less dependence on the traditional partners. It’s a good way to reduce risks.”Data also shows that foreign trade volumes developed dramatically in China’s middle and western areas last year. Although the southern province of Guangdong still topped others in the total volume of import and export.Huang Guohua said “The export volume of middle and western areas surged over 40 percent year on year in 2010. The speed was 10 percentage points higher than the country’s total. It indicates that industrial structure has improved in these areas.”The import and export volume of private enterprises surged faster than the country’s average in 2010, with 47 percent year on year growth. Experts say China’s foreign trade development reduced dependence on foreign-funded enterprises.2010 imports and exports reached a historical high with a p sign that the country’s trade sector has shrugged off the global economic recession.

According to the passage, which enterprises surged faster than the country’s in 2010（）

A．state-owned enterprises

B．joint ventures

C．private enterprises

D．foreign-funded enterprises
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