题目

Compared with his sister, Jerry is even more________to emotional and relationship problems. A．skeptical B．addicted       C．available     D．sensitive 答案：Ｄ12g的碳和32g的氧气恰好完全反应，生成二氧化碳44g，若6g碳在18g氧气中燃烧，可生成二氧化碳________g，剩余________g．