Here is a Cultural Literacy worksheet on the Cultural Revolution in China. This is full-page document with a reading of five sentences and six comprehension questions. This could be used, in other words as an independent practice (aka homework) assignment–or however you want to edit it, as it is flexibly formatted in Microsoft Word.
If you find typos in this document, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.