as i know there is not trap in toefl test.the most important is the real ability of the test taker's. I got 30 in the 1,Dec. I read twice each passage,and clearly understand every sentances of the passages,and the words between the black and white. Can you say you have entirely understand the contents of the passage? and how much efforts have you put in your reading.---RECOMMENDATION;--prectice deltakey; diagnose the mistake and your weakness by deltakey; it is more difficult than real test. Besides, enlarge your vocabulary to ensure you can completely understand each sentances