某毛石砌体挡土墙，其剖面尺寸如图7-20所示。墙背直立，排水良好。墙后填土与墙齐高，其表面倾角为β，填土表面的均布荷载为q。

假定填土采用粗砂，其重度为18kN／m，δ＝0，β＝0，q＝15kN／m，Ka＝0.23，试问，主动土压力E（kN／m）与下列何项数值最为接近（）？

A.83

B.76

C.72

D.69

完成句子。

小题1:There is a big bookstore next to the park.(变一般疑问句)

________ ________ a big bookstore next to the park ?

小题2:Please close the door. (改为否定句)

_____ _____ the door, please.

小题3:The school is about 4 kilometers away from my home. (对划线部分提问)

________ ________ is the school from your home?

小题4:How can I get to the post office?（同义句）

             the way to the post office?

小题5:每个人必须遵守交通规则。（汉译英）

Everyone must      the      rules.