大学英语课程改革对学生利用网络进行自主学习的能力提出了较高的要求 ,而建构主义也为网络自主学习提供了理论依据.通过调查发现 ,网络自主学习能力的培养能提高学生轮机英语听说能力 ,增强学生的自我效能感.%The university English curriculum reform asks higher requirement on students ' online self -study and constructivist learning theory also provides the theory basis .The study carried out an experiment teaching ,finding out that developing students' online self -study ability can improve students' listening and oral English for marine engineer-ing ,and enhance their sense of self-efficiency as well .
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