[基础知识•夯实] ⅰ.单词拼写根据汉语注释及首字母提示写出下列单词的正确形式。 1. p______ firmly on the wound helps stop the bleeding. 2. i'd like to turn on the light, but where is the s______？ 3. [2012•福建
高考]a l______ of confidence can lead to a lot of suffering. 4. not ________(忍受) the noise down
