下列活动可以改变非洲国家“单一商品经济”的是
A．出口可可
B．出口咖啡
C．出口菠萝
D．发展农产品加工业
Ｄ
题目分析：由于殖民主义者长期占领和疯狂掠夺，使得撒哈拉以南非洲变为殖民国家农产品的供应地和工业产品的倾销市场，很多国家形成了过分依赖某一种或某几种初级产品生产的“单一商品经济”。为了改变现状，非洲一些国家正在发展民族工业，其中发展农产品加工业、旅游业、水产业等都是改变“单一商品经济”的举措。故选D。
点评：改变“单一商品经济”的举措：发展本区的民族工业，减少对工业品的进口。发展多样化农业，进行农产品加工。联合、团结、协作，发挥本区的资源优势，保障各国的基本利益。
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| Arthur was an Indian boy. He didn't like __1__ When his mother asked him to wash his hands, he never washed them __2__ . He only put his __3__ in the water for a __4__ seconds and took them __5__ again. __6__ day, Arthur's uncle's family came to __7__ with Arthur's parents and they brought their son Tom __8__ them. Tom was __9__ than Arthur and didn't like water either (也). They went out to play. After an hour Arthur looked __10__ Tom's hands and then said proudly (骄傲) ,"My hands are dirtier than yours! " Tom answered angrily, "Yes, you are older than I am. " | |||
| ( )1. A. washing ( )2. A. well ( )3. A. foot ( )4. A. little ( )5. A. up ( )6. A. An one ( )7. A. stay ( )8. A. at ( )9. A. older ( )10. A. at | B. water B. good B. hands B. few B. out B. A B. come B. on B. younger B. for | C. playing C. clean C. clothes C. a few C. off C. One C. go C. for C. bigger C. after | D. wash D. black D. face D. one D. away D. On a D. play D. with D. smaller D. up |