TAILIEUCHUNG - Toefl cbt book part 27

Part IV contains six full-length practice tests, very similar in content and difficulty to the actual TOEFL test, as well as answer keys and scoring sheets for the prac¬tice tests. | Part V EOg flt A1 LT geomsi peae TeStTai Lieu Du Hoc at 20. The author states that A. fungi are more sensitive to light than algae. B. neither plant is sensitive to light. C. neither plant individually can thrive in sunlight. D. algae are more sensitive to light than fungi. 21. The word nearby at the end of paragraph four is closest in meaning to A. almost. B. completely. C. connected. D. close. 22. The word hardy at the beginning of the last paragraph is closest in meaning to A. tender. B. ubiquitous. C. scarce. D. strong. 23. The word hostile in the last paragraph is closest in meaning to A. unusual. B. dry. C. harsh. D. complex. 24. The author indicates that lichens are beneficial because they A. purify the air. B. reduce fungi. C. destroy algae. D. reduce soil erosion. Passage 3 Collecting coins can be a good investment but it requires the study of popularity availability and grading techniques. Some coins are more desirable than others their popularity being affected by the artists talent the subject of the design the material from which the coin is made and the time period when the coin was created. Availability is just as critical. Providing the coin is otherwise interesting or pleasing to the eye the number of coins minted and available on the market seems to have a direct relationship to the popularity. The ability to grade coins is perhaps the most important requirement of a collector. A coin that is popular and scarce which would normally make it valuable may be worth much less or nothing at all if it has a low grade. Grading is standardized and one can buy books and take courses on how to do it. Grades are given letter designations as well as numbers. The letters represent general levels of the grade while the numbers are more detailed. For example there are 11 number grades within the letter grade for a mint state coin. A mint state coin is uncirculated which means it has never been used in commerce. It is in the condition that it

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