Tham khảo tài liệu 'toefl ibt internet based test 2006 - 2007 part 61', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | MODEL TEST 6 READ1NG SECTION 421 39. Directions Complete the table by matching the phrases on the left with the headings on the right. Select the appropriate answer choices and drag them to the advantages or disadvantages of group decision making. TWO of the answer choices will NOT be used- This question is worth 4 points. To delete an answer choice click on it To see the passage click on View Text. Answer Choices Advantages E Sometimes a strong leader will dominate the group. E Sometimes personal objectives dictate the outcome. 0 Most of the time people are happier with the decision. E It Is usually possible Disadvantages to gather more data. E It will probably take much longer to arrive at a decision. E The group may tend to make decisions based on friendship. E Discussion is required before a decision is made. Hi Implementation is often much easier after the decision. ED A group member may disagree with the majority opinion. Copyrighted malerial 422 MORE MODEL TESTS PART III Reading 4 Four Stages of Planetary Development Planetary Development - In our study of the planet Earth we will find a four-stage history of planetary development. The moon and all the terrestrial planets have passed through these stages although differences in the way the planets were altered by these stages have produced dramatically different worlds. The moon for example is much like Earth but its evolution has been dramatically altered by its smaller size. As we explore the solar system we will discover not entirely new processes but rather familiar effects working in slightly different ways. The Four Stages The first stage of planetary evolution is differentiation the separation of material according to density. Earth now has a dense core and a lower-density crust and that structure must have originated very early. Differentiation would have occurred easily if Earth were molten when it was young. Two sources of heat could have heated Earth. First heat of formation would be created by .
