在越新近形成的地层里,成为化石的生物越: A、简单、低等 B、复杂、高等 C、简单、高等 D、复杂、低等
Naturally, after I told her what to do , my daughter _____ go and do the opposite . A.may B.can C.must D.should
根据下图,从存款的实际收益角度看,居民减少银行存款意愿最为强烈的时点是( ) A.A点 B.B点 C.C点
区别棉花和羊毛的最简单的方法是 A.加入稀硫酸后加热使之水解,检验水解产物能否发生银镜反应 B.浸入浓硝酸中,观察其颜色是否变黄色 C.在火
地球上某一点位于高纬度,则( ). A.可能位于温带,也可能位于寒带 B.肯定位于寒带 C.肯定位于温带 D.可能位于温带
Poetry written from the ________ of the urban youth tends to reveal their anxiety over a lack of sense of belonging. A. perspective B. prejudice C. participation
A.She killed her husband,so she must be punished by law. B.She killed her husband and became .
现有两个纯合的某作物品种:抗病高杆(易倒伏)和感病矮杆(抗倒伏)品种。已知抗病对感病为显性,高杆对矮杆为显性,但对于控制这两对相对性