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.h1 {FONT-WEIGHT: bold; TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 22pt; MARGIN: 17pt 0cm 16.5pt; LINE-HEIGHT: 240%; TEXT-ALIGN: justify}.h2 {FONT-WEIGHT: bold; TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 16pt; MARGIN: 13pt 0cm; LINE-HEIGHT: 173%; TEXT-ALIGN: justify}.h3 {FONT-WEIGHT: bold; TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 16pt; MARGIN: 13pt 0cm; LINE-HEIGHT: 173%; TEXT-ALIGN: justify} 雅思考试，三篇阅读都为新题。尤其是第一篇文章中讲到一个概念Citemene，很多同学很难理解，我将其破解在下： Citemene The Bemba have developed a unique shifting cultivation called the citemene system in the vast miombo woodlands of northern Zambia . The Bemba are also known for the military strength of their once-powerful kingdom and their matrilineal soci- ety with its high divorce rate . Since 1983, we have conducted socio-ecological research in the Bemba vil- lages in the territory of Chief Luchembe, Mpika District, in northern Zambia. In this paper, we analyze the processes and mechanisms of agrarian changes in these Bemba villages over the 23 years from 1983-2006 in relation to changes in economic and agricultural policies. As our research base, we chose the village of Mulenga-Kapuli, which lies about 27 km west of the town of Mpika . The village elder, Mulenga- Kapuli, founded this village in 1958, when he returned from working in the Copperbelt. Mulenga-Kapuli gathered his matri-kin, with his brothers and sisters at the core. The village of Mulenga-Kapuli has had close socio-economic rela- tionships with the neighboring village of Ndona. | 
