Last but not least on this hot Saturday afternoon, here is another one-off that I wrote in response to the request of one student, then never used again. Maybe you have a philosophically-minded student whom this reading on appearance and reality and its accompanying vocabulary-building and comprehension worksheet might interest.
If you find typos in these documents, 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.