标准正态分布曲线的特征是()
A.μ=0,σ=0
B.μ=0,σ=1
C.μ=0,σ=-1
D.μ=1,σ=0
E.μ=1,σ=1
参考答案:B
Australia is one of the few countries ________ people drive on the left.
A.where
B.that
C.when
D.which
土地利用总体规划说明