TAILIEUCHUNG - Toefl ibt internet based test 2006 - 2007 part 888

Tham khảo tài liệu 'toefl ibt internet based test 2006 - 2007 part 888', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | EXPLANATORY OR EXAMPLE ANSWERS AND AUDIO SCRIPTS FOR MODEL TESTS MODEL TEST 6 737 Checklist 6 S The talk summarizes a short lecture. Inaccuracies in the content are minor. The talk is direct and well-organized. The sentences are logically connected. Details and examples support the opinion. The speaker expresses complete thoughts. The meaning is easy to comprehend. A wide range of vocabulary is used. The speaker paraphrases in his her own words The speaker credits the lecturer with wording. Errors in grammar are minor. The talk is within a range of 125-150 words. Example Response for Integrated Essay Primordial Soup Outline Summary reading Miller-Urey Create conditions life in E s atmosphere Water methane hydrogen ammonia Heat electrical charges Weeks amino acids Posited Simple life forms in oceans Comets meteorites amino acids Referred to as primordial soup Living structures on E - natural evolution atmosphere Lecture Criticism procedure conclusions Procedure Constant electrical stimulation Acids more concentrated Amount oxygen reduced - incorrect proportions Conclusions E similar to meteorites amino acids from beginning Acids deposited meteorite crash on landmasses opyrightori material 738 ANSWERS AND AUDIO SCRIPTS FOR ACTIVITIES QUIZZES AND MODEL TESTS Map Example Essay The Miller-Urey experiment was an attempt to recreate the conditions under which life may have evolved in the Earth s atmosphere. First water methane hydrogen and ammonia were heated and electrical charges were administered to simulate strong electrical storms that were probably part of early conditions. At the end of a few weeks amino acids were identified in the liquid. Miller and Urey posited that simple life forms could have been nurtured in the early oceans and furthermore that comets and meteorites could have added more amino acids to the oceans. The mixture referred to as primordial soup seemed to suggest that living structures on Earth could have developed from the natural evolution of .

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