单选题 Earth observations should provide "value added" applications from existing environmental services, property title holders and process driven financial firms, while creating greater liquidity within the corporations that use them.

【正确答案】 B
【答案解析】[解析] provide在此表示:供给,提供;后面一般与for或with连用;例:They provide us with food.他们供给我们食物。We provided food for the hungry children.我们为饥饿的孩子们提供食物。因此B为答案。