A:you guess she has got
B:you guess has she got
C:do you guess she has got
D:do you guess has she got
方程(x+1)(x﹣2)=x+1的解是( )
下列微生物中能够进行孢子生殖的是( )
在双链DNA分子中,有关四种碱基的关系,下列等式中错误的是( )