【简答题】缩合聚合反应中,除聚合速率外, 是体型缩聚的关键。
【单选题】The decision , the next problem was how to make a good plan.
【单选题】The problem was how to get enough food to ______ life.
【单选题】______. the next problem was how to carry it out.
B.
The plan has been made
C.
Has the plan been made
D.
The plan having been made
【单选题】______, the next problem was how to make a good plan.
A.
Having made the decision
B.
Has the decision been made
C.
The decision having been made
D.
The decision has been made
【判断题】根据斯托尔帕-萨谬尔森定理,当一个资本丰裕的国家对劳动密集型商品征收进口税时,该国的工资水平会上升。
【单选题】The decision ( ), the next problem was how to make a good plan.