第2题: [单项选择]A. It is first offered as part of the edX learning programme. B. It is another free MIT-Harvard online learning programme. C. It is a standard to recognise online learners’ achievement. D. It is a new kind of free online course of Harvard and MIT. 参考答案:C 答案解析:[听力原文] What can be said about MITx according to the passage