性质不同的填料应水平分层、分段填筑，分层压实，每种填料的填筑层压实后的连续厚度不宜小于( )mm。
A．100
B．300
C．400
D．500
参考答案：D
解析： 本题考查的是土方路堤的填筑要求。．性质不同的填料，应水平分层、分段填筑，分层压实。同一水平层路基的全宽应采用同一种填料，不得混合填筑。每种填料的填筑层压实后的连续厚度不宜小于500mm。填筑路床顶最后一层时，压实后的厚度应不小于100mm。
| 阅读理解 | ||||||||||||||||||
| Best Sellers of the Week The New York Times
| ||||||||||||||||||
| 1. The information about the Best Sellers of the Week is provided by __________. | ||||||||||||||||||
| A. China Daily B. 21st Century C. The New York Times D. Washington Post | ||||||||||||||||||
| 2. The book which has stayed on the list for the longest time is __________. | ||||||||||||||||||
| A. The Forgotten Garden B. The Help C. Spoken From the Heart D. Best Friends Forever | ||||||||||||||||||
| 3. David likes to read detective stories (侦探故事), so he can try __________. | ||||||||||||||||||
| A. The Forgotten Garden B. The Help C. Best Friends Forever D. Run For Your Life |