Im writting an argumentive paper on standardize test and I need an attention grabber.

Answer 1

Do you mean?

I'm writing an argumentative paper on standardized tests, and I need an attention grabber.

It's impossible for us to suggest an attention grabber when we don't know what your thesis is, nor what arguments you've made supporting it.

Answer 2

http://grammar.ccc.commnet.edu/grammar/intros.htm

Scroll down about 1/3rd of the way to the paragraph beginning, "Professional writers who write ... " and keep reading.