A:So curiously he wa
B:So curious was he
C:Such curious he wa
D:Such was he curiou
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关于我国地形特征及其影响的叙述,错误的是 ( )
已知函数f(x)=x2+2x+a•lnx.
若函数f(x)在区间(0,1上恒为单调函数,求实数a的取值范围.