单选题
Many Europeans ______ the continent of Africa in the nineteenth century.
【正确答案】
D
【答案解析】[考点] 形近词辨析
[解析] explode“(使)爆炸”,如:explode an atom bomb“引爆一颗原子弹”;expand“扩张,膨胀,扩大”;expose“暴露,揭露”;explore“探险,探索”,如:Columbus discovered America but did not explore the new continent.(哥伦布发现了美洲,但未对此新大陆进行探测。)所以,根据题意应选D。