第15题: [单项选择]Sometimes the tension produced by fears is so great that we cannot suppress it. At such times we need to the tension by laughing or crying. A. discard B. disperse C. disguise D. discharge 参考答案:D 答案解析:discharge 排出(液体、气体等)、解雇;discard 摒弃;disperse 驱散,传播(知识等);disguise 把……假扮起来;把……乔装起来