下列计算一半建筑面积的是()。
A.房屋之间无上盖的架空通廊
B.骑楼的底层用作道路街巷通行部分
C.有顶盖不封闭的永久性的架空通廊
D.房屋的天面上的花园
参考答案:C
----- Did you tell the policeman that accident?
----- Hardly ________ him the detail of it when he hung up.
A.I told
B.had I told
C.I had told
D.did I tell
正态分布的有两个参数μ与σ,曲线形状越扁平表明
A.μ越大
B.σ越大
C.μ与σ越接近
D.σ越小