Tham khảo tài liệu 'cracking the toefl ibt 2009 edition part 29', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | that you hear mentioned only toward the end of the lecture will never be the main idea. Of course some answers will contain information that is not mentioned all. Answer choice A states that rhe lecture was about a solution for pollution. But no solution was offered. Even if you feel that you missed something important during the lecture be aggressive. The lecture mentioned two key points the ocean and plants. Answer choice A states there is one solution. The great thing about a multiple-choice rest is that there are usually a few ways to look at wrong answers. Questions on the TOEFL will also typically contain a trap answer which uses words or phrases from the lecture or conversation in a deceptive manner. Answer choice I is a good example of a trap answer. The first part of the choice talks about two ways. This matches up with the two key examples used in the lecture. Next the choice talks about carbon dioxide which obviously is part of the lecture also. Finally the choice contains the ocean a match with one of the examples in the lecture. Unfortunately the lecture is about two ways nature absorbs carbon dioxide not two ways the ocean absorbs it. The lesson here is that if you are uncertain of the right answer and if one of rhe choices seems too good to be true it s a trap. Still be careful to use this advice only when you re stuck otherwise you ll drive yourself crazy over-analyzing the answer choices. One other wrong answer type that may appear on a main idea question is a choice that is too broad. This is the opposite of an overly specific answer choice. For example suppose there had been the following answer choice E The effect of environmental issues on everyday life This answer is too general. The lecture does have an environmental theme but the correct answer has to reflect more of the details of the talk not just the basic idea. POE Strategies for Main Idea Questions When answering a main idea question make sure you avoid the following answer types .
