According to the recent report made by the government, the number of visitors who have traveled to the earthquake-hit areas like Wenchuan in Sichuan has ______20,0000, ________to promoting their awareness of the disaster in hisroryA.reach; contributeB.reached; contributedC.got; contributingD.reached; contributing
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D解析根据the recent report 和have traveled 可知，前空应用现在完成时态。后空填contributing 为现在分词作伴随状语，contribute to…意为“有助于”。句意为：根据政府最近的报道，到像四川汶川地震灾区去的游客人数已达20万，这有助于提升对这个历史灾难的认识。