题目

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。Amy and I have been close friends for eight years. When I was 【1】 awkward primary school student, she was the popular girl 【2】 was willing to make friends with me. Since then, a close friendship 【3】 (grow) between us and she’s been almost like a sister to me. But last Saturday, she broke 【4】 (I) heart. She didn’t go to see a film with me as 【5】 (plan) for her illness. But she was out having fun with another girl instead of 【6】 (recover) at home. I was so 【7】 (anger) tha无烟煤的热值是3.4×107焦/千克，20 克无烟煤充分燃烧时可放出多少热量？若这些热量中的80%被2千克的水吸收，在1标准大气压下，可以使水的温度从30℃升高到多少摄氏度？