“另类”数列 别样“风景”

数列是中学数学的主轴内容,也是历年高考“经久不衰”的重点、难点和热点内容.高考命题者为了命好数列题而绞尽脑汁、挖空心思,所命制的数列题超凡脱俗、新颖别致,颇具思考性和挑战性.一些构思精巧、魅力四射的“另类”数列频频“闪亮登场”,这些“另类”数列是考查考生的迁移能力、探究能力及核心素养的极好素材,具有很好的区分和选拔功能.

The concept of capital before and after industrial revolution： Islamic versus market economy

The concept of capital and ownership of capital in market economy and Islamic economy is different. Also the role that capital is expected to play in the economy is different in two economic systems. One of the key elements in creation of the capital （capital formation） is interest rate. In Islam interest is strictly forbidden. This paper reviews the concept of capital and the process of capital formation both before and after industrial revelation. In that context it also looks at the function of interest rate during the time of Prophet Mohammed and the present time.