i．语言知识及应用（共两节，满分45分）第一节 完形填空（共15小题；每小题2分，满分30分）阅读下面短文，掌握其大意，然后从1~15各题所给的a、b、c和d中，选出最佳选项，并在答题卡上将该项涂黑。 massive open online courses are also called moocs. tens of thousands, or even more people can 1 these classes all at once. you can be anywhere in the world to take a mooc. all you need is a 2 and a network connection. moocs add to a tradition of what is known as 3 learning. for years, many colleges have offered classes that are taught 4 or mostly online. moocs are available in subjects like computer science or engineering, which work quite well. but can moocs in subjects like arts be as 5 as the old teaching approac
