2007年税收收入比_卜．年增长了约( )。
A.37．9％
B.31．4％
C.22．4％
D.20．8％

单项选择题专用宿舍楼基础形式是（）。 A、条形基础 B、独立基础 C、筏板基础 D、桩基础

单项选择题What is the cause of coughing green sputum?()

问答题（ex7）(Taylor展开)求下列函数在x=0的Taylor幂级数展开式(n=8)

未分类题In asserting that the organic model might be 'more serviceable to the restoratioulsts' (ParA.3), the author implies that______.A.the descriptions by Turner and Jordan of the restorationists program conform. more closely to the organic model than to the community-participation modelB.the organic model is more consistent than the community-participation model with the principle of restorationC.the organic model is more consistent with the restorationists' agenda than with the preservationists' programD.holistic models are more useful to the restorationists than is the dualist model

单项选择题各类接地可以采用单独的接地线，但接地极和“等电位面”是共用的，不存在不同接地系统接地导体之间的耦合问题，也避免了采用不同接地导体时产生的电位不同问题。 A、正确 B、错误