– I don't know ______ now. – She's much better today.
A:where she is
B:how she is
C:how is she
下列说法错误的是( )
函数f(x)=sin2x+ 3 cosx﹣ 34 (x∈0, π2 )的最大值是____.
下列关于果实的特点中,除哪一项外都是与有利于种子传播有关?( )