问题 单项选择题

基坑剖面如习图7.1.4所示,已知土层天然重度为20kN/m3,有效内摩擦角'=30°,有效黏聚力c'=0kPa,若不计墙两侧水压力,按朗肯土压力理论分别计算支护结构底部E点内外两侧的被动土压力强度ep及主动土压力e,最接近于()数值。(水的重度γw=10kN/m3)()

A.被动土压力强度ep=330kPa,及主动土压力e=73kPa

B.被动土压力强度ep=191kPa,及主动土压力e=127kPa

C.被动土压力强度ep=600kPa,及主动土压力e=133kPa

D.被动土压力强度ep=346kPa,及主动土压力e=231kPa

答案

参考答案:A

阅读理解

阅读理解

     Nine out of 10 New Zealanders rate their quality of life as good or better, according to a new survey

published on Monday.

     Researchers for the third national Quality of Life survey spoke to 500 people in each of the 12 main

centers and 2,000 people in the rest of the country.

     In the cities, 87 percent of residents said their overall health was good or better and 86 percent of

people said they had enough money to cover living costs.

     Nine out of 10 people said they felt safe in their homes, but people were concerned about vandalism(恶意破坏), car theft and dangerous driving .

     Only 11 percent of people nationwide said they felt safe in their city center at night for reasons

including the perception of dangerous people in the area, media coverage of crime and alcohol and drug

problems in the central city.

     People in Wellington and the North Shore felt safest, while Christchurch had the highest number of

people who felt unsafe.

     Wellingtonians were the most proud of their city, 82 percent, while the least proud were people in

Manuka, 43 percent, and Auckland, 51 percent.

     Wellingtonians thought they had the best quality of life at 94.9 percent, followed by Dunedin at 94.2

percent and Christchurch at 93.1 percent.

     The survey found 59 percent of people in the cities felt people from different cultures made their city a

better place to live.

     The 12 participating councils were North Shore, Waitakere, Auckland, Manukau, Rodney, Hamilton, Tauranga, Wellington, Porirua, Hutt Christchurch and Dunedin.

     The survey was funded by the councils and the Ministry of Social Development.

1. What is the best title of the passage?

A. Research shows New Zealanders are happier than Americans.

B. The third national Quality of Life survey shows its research.

C. New Zealanders have good quality of life in the world.

D. A new survey was published on Monday.

2. Which if the following city is thought to be the least safe?

A. Wellington.

B. the North Shore.

C. Dunedin.

D. Christchurch.

3. The underlined word "coverage" in the fifth paragraph is closest in meaning to ______.

A. report.

B. protection.

C. shelter.

D. consistence.

4. How is the passage organized?

A. with example.

B. with figures.

C. with facts.

D. with ideas.

5. Which of the following would be NOT true according to the passage?

A. New Zealanders are satisfied with their life.

B. The survey was supported by the councils in money.

C. Less than half of the people lie their good life in different cultures.

D. The Wellingtonians were the most proud of their city.

单项选择题 A1/A2型题