Need to improve my CR

<p>Hey everyone, I am a Asian girl, not to give any excuses but English isnt my native language and I took sat in Jan for the first time, I got 630 on CR and 680 on M(which is not good), but im retakin the SAT in May, so I have about two months to improve my scores, I would like to really aim at 680 for CR , and I have recently bought the Barron's critical readin book and besides barron 3500 I have as well bought" word smart" first and second edition,for CR I know I have to read a lot , a good score of CR doesnt come right away, so I have also bought " The The Best American Essays of the Century ", "American literature , which includes some extract from about all differernt US authors such as Mark Twian, Jack London, " .However , I am still confused , I dunt know and I am not sure what I need to do besides these that I can think of:d
I would really appreciate if you guys could give me any advices on how to improve my CR or math,haha, oh well. ppl say Asians are all good at math , I guess im just an exception then haha:D Thank you very much:D</p>