题目

桃果实表面光滑对有毛为显性，在毛桃的植株上授以纯合光桃的花粉，该雌蕊发育成的果实是 A、毛桃                         B、光桃        C、1/3概率为毛桃                D、1/3概率为光桃 答案：AIn time of war，different parties tend to________their political differences to fight against foreign invaders shoulder to shoulder.A. pick up B. relate toC. set aside D. give away