One is to contact the testing center and let them know that you have issues with reading and comprehension (I'm guessing that perhaps English is a second language for you?). If you can make the case that this slows your reading speed significantly, most test centers are willing to contact the vendor and arrange a little extra time for you to complete the exam. This can take a while to work out, but special accommodations are almost always possible given sufficient advance notice and patience while waiting for an official response.
As far as the topics you mention specifically, I'd recommend one of more of the following resources:
By getting more time on the one hand and doing some more studying on the other, you should be able to pass on your next try. Good luck!
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