英语英语英语the number of students who enjoy reading popular scien
英语英语英语 the number of students who enjoy reading popular science articles doubles that of those who prefer reading articles about learning methods 有哪些成分组成...
喜欢读科普文章的学生数量是喜欢读有关学习方法文章的学生数量的两倍. the number of students who enjoy reading popular science articles 是整句话的主语 doubles 是整句话的谓语 that of those who prefer reading articles about learning methods 可以理解是宾语