第3课时(Section B)单 词1warn点拨warn 作为动词，意为“警告”。可构成的短语和句型如下：warn sb.(not) to do sth.提醒某人(不)做某事；warn sb.ofsth.提醒某人某事；warn sb.against (doing) sth.警告某人不要做某事。如：The doctor warns my father not to smoke/against smoking. 医生警告我父亲不要吸烟。He has been warned of the danger of smoking.他已被提醒抽烟的危害。2remind点拨remind 是动词，意为“使想起，使记起，提醒”。如：I remind him to finish his homework first.我提醒他首先完成家庭作业。Please remind me that I must call her up before nine tonight.请提醒我在九点之前我必须给她打电话。链接remind sb.of/about sth.提醒某人某事remind sb.to do sth.提醒某人做某事remind sb.that.提醒某人；使某人想起3decide点拨decide 做动词，意为“决定；下决心”；其名词形式为 decision。如：He decided to give a one-man show.他决定唱一段独角戏。We havent decided when to start.我们还没决定何时动身。链接make a decision 下定决心decide to do sth.决定做某事decide on/upon sth.(经仔细思考后)决定选择