从（X,A）到（X,σ（A∪（C1）∪（C2）∪......∪（Cn））上的…

设μ是（Ｘ，Ａ）上的σ有限测度，本文证明：ＶＣ１，Ｃ２，．．．．．Ｃｎ包含Ｘ，μ从（Ｘ，Ａ）到（Ｘ，σ（Ａ∪（Ｃ１）∪（Ｃ２）∪．．．∪（Ｃｎ）上的扩张测度存在。     

A Calf for Chicks（用牛犊换小鸡）

1.There was a greedy and miserly richman who lived next to Jin Shanda.Everydayhe tried hard to find ways to make his neighbour’s property his.(有一个既贪财又吝啬的财主住在金善达的隔壁,他天天琢磨歪点子,想把金善达的东西占为己有。)     

位置（A）

教学内容：《义务教育课程标准实验教科书数学》(一年级下册)第5～6页内容及练习一的4～7题。     

A Man for All Seasons in Washington（高一适用）

WASHINGTON:Georges de Paris,who once slept homeless on thestreets in the US capital,has measured US presidents inside the White House for the past 40 years.     

A New Dress for the Dirty Girl（初二适用）

Most of the little girls in the school near Gates Street wore pretty newclothes that spring. But a little girl from GatesStreet wore the same dirty dress that she had worn all winter. It was probably the only dress she owned.     

（La,A）（Zn,Mn）SbO（A=Ca，Sr，Ba）稀磁半导体的制备与研究

通过LaZnSbO在La3+的位置用A=Ca2+, Sr2+, Ba2+进行变价替换引入P型载流子,使用Mn2+替换Zn2+引入自旋,可使ZrCuSiAs结构单相(La,A)(Zn,Mn)SbO (A=Ca, Sr, Ba)同时兼具半导体和铁磁性能,居里温度可达到40 K。居里温度以下呈现类似玻璃磁性的磁性特征,(La0.95Ca0.05)(Zn0.9Mn0.1)SbO的翻转时间(τ*)和动态临界指数(zγ)分别为：τ*=2.64×10-7s, zγ=1.91。