There are many good ideas in the websites in the search results linked below. The list at the very top (from ACT) is probably the best, but check out the others, too.
https://www.google.com/search?q=how+to+take+a+reading+test&rlz=1C5CHFA_enUS705US707&oq=how+to+take+a+reading+test&aqs=chrome.0.0l6.5389j0j7&sourceid=chrome&ie=UTF-8
Any tips for reading test?
2 answers
My recommendation, if you are allowed to highlight, or underline text, is to do that with key words and statements, then review what you have highlighted (or underlined).