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1、ANSWER KEY for T OEFL READINGTPO (1-19 ), OG, Official M odel Te st, Online Test huangxiaoh TPO 1 . 4Groundwater . 4The Origins Of Theater . 4Timberline Vegetation On Mountains . 5TPO 2 . 6The Origins Of Cetaceans. 6Desert Formation . 9Early Cinema . 12TPO 3 . 15Architecture. 15Depletion of the Ogal
2、lala Aquifer . 15The Long-Term Stability of Ecosystem s . 16TPO 4 . 17Deer Populations of the Puget Sound . 17Cave Art in Europe . 17Petroleum Resources . 18TPO 5 . 19Minerals And Plants . 19The Origin of The Pacific Island Pe ople . 19The Cambrian Ex plosion . 20TPO 6 . 21Powering the Industrial Re
3、volution . 21William Smith . 21Infantile Amnesia . 22TPO 7 . 23The Geologic Histor y of t he Mediterranean . 23Ancient Rome and Greece . 23Agriculture, Iron, and the Bantu Peoples . 24TPO 8 . 25The Rise of Teotihuacan . 25Extinction of The Dinosaurs . 25Running Water On Mars . 26TPO 9 . 27Colonizing
4、 the Americas via the N orthwest Coast . 27Reflection In Teaching . 27The Arrival Of Plant Life In Hawaii . 28TPO 10 . 29Chine se Pottery . 29Variations in the Climate . 29Seventeenth-Centur y European Economic Growth . 30TPO 11 . 31Ancient Egyptian Sc ulpture . 31Orientation and Navigation . 31Begg
5、ing by Nestlings . 32TPO 12 . 32Whic h Hand D id T he y U se ? . 32Transition to Sound in Film . 33Wat er in t he De sert . 33TPO 13 . 34Types of Social Groups . 34Biological Clocks . 34Methods of Studying Infant Perception . 34TPO 14 . 34Children and Advertising . 34Maya Water Problems. 34Pastorali
6、sm in A ncient Inner Eurasia . 34TPO 15 . 34A Warm-blooded Turtle . 34Mass Extinctions . 34Glacier Formation . 34TPO 16 . 35Trade and the Ancient Mi ddle East . 35Development of the Periodic Table . 35Planets in Our Solar System . 35TPO 17 . 35Europes Early Sea Trade with Asia . 35Animal Signals in
7、the Rain Forest . 35Symbiotic Relationships . 35TPO 18 . 35Industrialization in theNetherlandsandScandinavia . 35The Mystery of Yawning . 35Lightning . 35TPO19 . 36The Roman Armys Impact on Britain . 36Succession, Climax, and Ecosystems . 36Discovering the Ice Ages . 36OFFICIAL GUID E RE ADING . 38A
8、pplie d Arts and Fine Arts . 38Aggression . 39Artisans and Industrialization . 43Swimming Machines . 47Nineteenth-century Politics in the U nited States. 50The Expression of Em otions . 54Geology and Landscape . 58Feeding Habits of East African Herbivores . 61Loie Fuller . 62Green Icebergs. 63ONLINE
9、 TES T . 64Opportunists and Com petitors . 64Lascaux Cave Paintings . 65Electricity from Wind . 66OFFICIAL M ODEL TES T . 67Meteorite Impact and Dinosaur Extinction . 67TPO 1Groundwater1. 32. 33. 24. 45. 46. 17. 18. 19. 310. 211. 412. 113. 414. 1 2 3The Origins Of Theater1. 42. 13. 14. 45. 36. 37. 2
10、8. 49. 110. 211. 312. 413. 4Timberline Vegetation On Mountains1. 42. 13. 24. 35. 36. 27. 28. 19. 310. 411. 312. 413. 2 4 6The Origins Of Cetaceans1. 2This is a Factual Information question asking for specific information that can be found in paragraph 1. Choice2 is the best answer. It is esse ntiall
11、y a rephrasing of the statement in paragraph 1 that blowholes cannot disguise cetaceans affinitie s with other mammals. The other three c hoice s are refuted, either directly or indirectly, by that paragraph.2 1This is an Infere nce que stion asking for information that can be inferred from paragrap
12、h 1 . Choice 1 is the best answer because paragraph 1 says that sea otters are unlike early mammals whose appearances are not easy to imagine. By inference, then, the early appearance of sea otters m ust be ea sy (or not difficult) to imagine.3 3This is a Vocabulary question. The word being tested i
13、s precious. It is highlighted in the passage. The correct answer is c hoice 3, valuable. Anything that is precious is very im portant and therefore valuable.4. 3This is a Factual Information que stion asking for spec ific infor mation that can be found in the passage. Choice3 is the best answer. Par
14、agraph 3 describes the differences a nd similaritie s between Pa kicetus and m odern cetaceans. Sentence 3 of that paragraph states that their skulls are similar. The other three choices describe difference s, not similarities.5.1This is a Reference question. The word be ing tested is It. That word is highligh