How do i become a better test taker when it comes to comprehension tests?

i really have trouble on these tests. i still have to maintain having time which makes me not available to taking a lot of notes while reading the text. i just got a 50/90 on my final which made me really want to change the way i do on these tests. as i keep getting closer to taking the act test, i really need on this type of tests, as colleges will look at these exams. attached is a note my teacher gave me.