To save your time, I post the snapshot of that page here. Only 1 link unit and 1 468*60 adsense. No adsense below the fold line. what do you think of it? where should be improved? thanks a lot.
I like the ad block between the headline and the body of your articles. This should give you a decent CTR. On a negative note, I suggest you to remove the top ad block (the one below the menu links) NOW if you care to keep your Adsense account active. Making the ad unit blend in with your menu is considered a deception strategy by Google and will get you banned as soon as your website is reviewed by a human.
Really? thx for reminding me, i just remove that link unit. BTW: do you think I should replace 468*60 with 300*250? many people say 300*250 is better but i am afriad it is too large to annoy readers. cheers.