Tham khảo tài liệu 'the complete guide to the toefl test part 16', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 80 Section 1 Guide to Reading 41. It can be inferred from the information in paragraph 6 that the botanists at the . Department of Agriculture O consulted the work of Robert Brown O gave the names saltwort Russian cactus buckbush and wind witch to the tumbleweed O could not decide on a common name for the tumbleweed O found it difficult to classify the plant scientifically 42. Paragraph 7 suggests that tumbleweeds would be most useful after O a large prairie fire O an oil spill O an accident at a nuclear energy plant O an earthquake Lesson 4 Purpose Method and Opinion Questions Some questions in the Reading Section ask why an author does something in a passage a purpose question how an author does something in a passage a method question or what an author thinks about something in the passage an opinion question . A Purpose Questions Purpose questions ask why the author of a passage or someone that the author quotes uses a certain piece of information in the passage. ETS calls this kind of question a rhetorical purpose question. This kind of question really asks you about the development of the passage. In other words it asks you why an author makes a point or why the author supports and strengthens a point in a certain way. The question may ask you why the author . . mentions a specific piece of information uses a certain example refers to a study uses a certain sequence or order of events makes a comparison quotes a person or a document uses a particular word or phrase Purpose questions may also ask you the importance of a sentence or paragraph to the passage. Here are some examples of purpose questions Why does the author mention in paragraph__ Why does the author give an example of in paragraphis given as an example of. . The author refers to to indicate that. . The author quotes to show that. The phrase in paragraphis used to illustrate the effect of. Why do the scientists mentioned in paragraph say that. Why does the author .