【判断题】Either a price floor or a price ceiling will result in a smaller quantity exchanged than if the price was at its equilibrium level.
【简答题】证明:如果(G,°)是群,则对每个a,b∈G有:(a °b) -1 =b -1 °a -1 。
【单选题】1分子葡萄糖无氧酵解时净生成ATP的数量是
【单选题】An outcome that can result from either a price ceiling or a price floor is
A.
a surplus in the market.
B.
a shortage in the market.
C.
a nonbinding price control.
D.
long lines of frustrated buyers.
【简答题】湖南长沙生产的 “ZLJ5051TSL” 型公路养护车,其中 “ZLJ” 是指中联重科机械的缩写; “5” 是指系列号; “05” 是指( ); “1” 是指车序号; “TSL” 是指 ( )的缩写;
【单选题】当热导率为常数时,单层平壁沿壁厚方向的温度按()分布。
【单选题】下列说法不正确的是( )
C.
物体的热胀冷缩现象--分子的大小随温度的改变而改变
D.
电解水生成氢气和氧气--分子可以分成原子,原子再重新组合成新分子
【判断题】Either a price floor or a price ceiling above the equilibrium price would cause a surplus.