题目内容

某风化破碎严重的岩质边坡高H＝12m，采用土钉加固，水平与竖直方向均为每间隔 1m打一排土钉，共12排，如下图，按《铁路路基支挡结构设计规范》(TB 10025— 2001)提出的潜在破裂面估算方法，下列土钉非锚固段长度L()选项的计算有误。

A. 第2排L2＝1.4m
B. 第4排L4＝3.5m
C. 第6排L6＝4.2m
D. 第8排L8＝4.2m

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四个坝基土样的孔隙率n和细颗粒含量Pc(以质量百分率计)如下，按《水利水电工程地质勘察规范》(CB 50287—99)计算；判别()土的渗透变形的破坏形式属于管涌。

A. n1＝20.3%；PC1＝38.1%
B. n2＝25.8%；PC2＝37.5%
C. n3＝31.2%；PC3＝38.5%
D. n4＝35.5%；PC4＝38.0%

A．No, TV program are boring.B．About two hours.C．Three times a week.D．Last week. Section

A. No, TV program are boring.
B. About two hours.
C. Three times a week.
D. Last week. Section B

某钢筋混凝土条形基础埋深d＝1.5m，基础宽b＝1.2m，传至基础底面的竖向荷载 Kk+Gk＝180kN/m(荷载效应标准组合)，土层分布如图，用砂夹石将地基中淤泥土全部换填，按《建筑地基处理技术规范》(JGJ 79—2002)验算，下卧层承载力属于下述()种情况。(垫层材料重度γ＝19kN/m3)

A. Pz+PCz＜faz
B. Pz+PCz＞faz
C. Pz+PCz＝faz
D. Pz+PCz＜faz

Section A
Directions: This section is to test your ability to give proper answers to questions. There are 5 recorded questions in it. After each question, there is a pause. The questions will be spoken two times. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D.
(1)

At 7 o'clock.
B. Not bad.
C. A piece pf cake.
D. Five dollars.