认知语言学认为意象图式的作用在语言形成过程中举足轻重,英语介词被喻为英语中最“活”的部分。将英语介词的意象图式和英语字母象征表意的实质介绍给学生,有助于从真正意义上培养学生的英语思维和创新思维等综合能力。1.情景展示导入。情景1:救援人员从外城墙根翻越入城内的图景;情景2:发生自然灾害时,房屋、墙壁倒塌的图景;情景3:救援直升飞机飞越灾区上空,投放救援物资的图景;情景4:乌云轮罩在灾区的上空的图景;情景5:营救人员 Cognitive linguistics holds that the function of image schema plays a decisive role in the process of language formation, and English prepositions have been hailed as the most vivid part of English. Introducing the image schema of English prepositions and the essence of the English letter symbolism to students can help to cultivate students’ comprehensive ability of thinking in English and innovative thinking in a real sense. 1. Scene show import. Scenario 1: Rescue workers turn from the outer city walls to the inside of the city; Scenario 2: Scene of houses and walls collapsing in the event of a natural disaster; Scenario 3: Rescue helicopters flying over the disaster area and delivering rescue materials; Scenario 4: Scene of a cloud cover over a disaster area; Scenario 5: Rescue workers