Learn a method that helps you absorb a Reading Comprehension passage (not simply read it).
Learn how to solve a question in a way which does not expend a lot of mental energy.
Don't become a prisoner to a single step-wise approach. You don't need to approach each CR the same way.
If the clock annoys you, turn it off. Figure out and jot down some time markers and check yourself to see if you're on schedule.
Be okay with just letting a question go. I get this can be especially hard if you're aiming for a high score but staying toxically long on a question - even if you DO eventually manage to figure out the correct answer - may harm your performance on the rest of the section.
GMAT Knight - Online GMAT Tutoring
Verbal 99% V48 - Quant Q50 [Section Bests]