Abstract: Taking the Input Hypothesis and Constructivism theories as its theoretical basis, the "1+2" model for college English teaching, namely "one system (curricula system in grade-based teaching)" and "two platforms (online teaching platform and corpus-based platform)", is constructed in accordance with different students' aptitude for languages by fully employing modem information technology. Not only does the model take maximum advantage of traditional classroom teaching, but also attaches great importance to the positive rol...