Tham khảo tài liệu 'cracking the toefl ibt 2009 edition part 26', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | I he next choice says that the flags represented different families. Be careful on this one. The passage states the flag used at sea represents the Piast Dynasty but there is no mention of any other family. So eliminate choice B . Choice C must be wrong as well because the passage doesn t state that the flag used on land isn t the official flag. Therefore we re left with choice D . The sea flag according to the passage has a red shield with a white eagle which is unlike the plain flag flown on land. 14. This is a sentence insertion question. Recall that for this question type you have to look at the sentences before and after the black squares to try to match the information in those sentences with the new sentence. Here s the sentence we arc going to add. Therefore strong winds could easily tear roofs from houses or cause high waves that imperiled travelers. Now we ll check each of the potential insertion places. Historians believe it had two major ancestors of which the earlier served to indicate wind direction. Therefore strong winds could easily tear roofs from houses or cause high waves that imperiled travelers. Early human societies used very fragile shelters and boats. How well do these sentences match Not very well as you can sec. The boldface sentence talks about strong winds tearing off roofs but the first sentence doesn t talk about houses at all. The second sentence docs but it doesn t make sense to provide a detail about the houses before introducing the idea. So let s look at the next black square. Early human societies used very fragile shelters and boats. Therefore strong winds could easily tear roofs from houses or cause high waves that imperiled travelers. Their food sources were similarly vulnerable to disruption. Now look at how well these sentences match. The first sentence introduces fragile shelters and boats which matches with the boldfaced sentence s mention of houses and high waves. And the second sentence says that the food sources were
