题目

With all these disasters happening in our country this year，we're not discouraged and our spirits________well. A．keep up                         B．go up C．hold up                         D．pick up 答案：A如图为某盐酸试剂瓶上标签的部分内容．请仔细阅读后计算：（1）欲配制14.6%的稀盐酸100g，需要这种盐酸多少克？______（2）用上述配得的稀盐酸与足量的锌充分反应，可制得氢气多少克？______．