题目

Practice Chinese Kungfu can not only _________ one’s strength, but also develop one’s character. A. bring up    B. take up      C. pull up     D. build up 答案：D1．取标准状况下CH4和过量O2的混合气体840mL，点燃，将燃烧后的气体用过量碱石灰吸收，碱石灰增重0.600g．请计算：（1）碱石灰吸收后所剩气体的体积（标准状况下）；（2）原混合气体中CH4与O2的体积比．