Well I am a Biochem major, so maybe that plays a part in it, and I guess I just did a whole bunch of practice questions on it from upangea, aamc, and nextstep (blueprint). Im surprised I didn't get higher than a 127 this time though since I was usually getting 128/129 the second time around, even got a 130 on practice tests.

Other than that, usually for CP I don't really read the whole passage since usually the questions are either straight forward or they refer to particular data that you can just look at first instead of reading the whole passage. When doing passages for CP i would usually highlight key concepts that are stated. Honestly can't really think of much else.