问题
多项选择题
挡土墙设计中，减少作用于挡土墙土压力的方法有（）。
A.仰斜改为俯斜
B.俯斜改为仰斜
C.减小墙背摩擦角
D.增大墙背摩擦角
E.增大挡土墙断面尺寸
答案
参考答案：B, D
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挡土墙设计中，减少作用于挡土墙土压力的方法有（）。
A.仰斜改为俯斜
B.俯斜改为仰斜
C.减小墙背摩擦角
D.增大墙背摩擦角
E.增大挡土墙断面尺寸
参考答案：B, D
| 任务性阅读，根据penpal的信息填写表格内容。 | |
| I have a penpal. Her name is Mary Smith. She is from Paris, France. She can speak English and French. She is fifteen years old. She is at school from Monday to Friday. She often goes to movies on weekends. Comedies are her favorite movies. At school, she likes math and art. She likes playing volleyball and ping-pong. She likes hamburgers very much. | |
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