【单选题】All his plan for starting his own business fell ______
【简答题】Whitten and his colleagues plan to do similar experiments with ______.
【单选题】要想得到经济学上两个问题之间的联系通常应用逻辑学上的什么方法?
【单选题】Mr. Clark is inclined ______ that his wife will accept his plan.
【单选题】为硅酸盐水泥熟料提供氯化硅成分的原料是( )。
【多选题】关于宪法的表述,下列选项正确的是( )。