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English Senior High

長文中の空所(10)に入れるのに最も適当な文を選択する問題です。答えはdなのですが、解説を読んでもなぜdになるのかあまりよく分かりませんでした。なぜdが正解でなぜ他の選択肢は間違いなのか教えていただきたいです。 3つ目の画像は赤本の解説です。よろしくお願いします。

fossil known 4S “Lucy,” 4zsが6272の27がecz4S の27e2S7s from 3.2 mmillion years ago Thcsc MRDSHIR. Lucy was a 1ot jike a impenzeeGc (hat shc Co計時ISHII Sightly bigger brain. Her skin was not preserved, but _She Was probably covered with far. However, between two and three millions years ago Our_ancestors began to inhabit more open savannahs meant the 1 e oO 8 y were out 后 fe sum ーー) 『 glaring heat for many more hours each day. Around the same time, they also started to hunt and eat more meat and game animals were more abundant in the open. This move into open Spaces offered an explanation for our lack of hair. Im the 1990s, Peter Wheeler of Liverpool John Moores University im the UK came up with a mathematical model showing how much excess heat ⑧ hominins would need to lose in open habitats in order to function。 HE their brains got too hot their thought processes would 0 PA If the hominins were covered in hair, they could not have lost heat fast enough. Wheeler reasoned that ( 10 ) allowed our ancestors to keep cool. One was an upright gait. Walking on two legs meant that only the tops of their bodies were under direct sunlight. But the hominins also started running long distances. This meant they ould bring down large garme animals by running them to exhaustion, but

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English Senior High

問4、問5の答え4、5、2であってると思いますが⁇ 答え何になると思いますか?

第4問 吉吉 You 1 2 are doing research on Tasmanian devils articles. 6 You founa 人 Tasmanian Devils -念、 by Matthey Jones, January 2017 | The Tasmanian devil is a wild meat-eating mar。 | | ド 8 に Tpial tou | only on the island of Tasmania, Australia. A marsupi ial is a type | 9f mammal. Their babies start to grow in a pouch on the th | Other Stomach, jike kangaroos. Tasmanian devils are night h unters. They | have dark fur。 a good sense of smell, and a strong bite. Theyre IS the biggest meat-eating marsupial in the world. Today these animal als are Tasmania's icon, but this wasnt always the case. In the early | 1800s, they were thought of as pests by the early European Settlers| So they hunted the Tasmanian devils. This led to a decline in th population. Currently, Tasmanian devils are on the endangereq | Species jist. To prevent their extinction, the Australian government started the “Save the Tasmanian Devil Program* in 2003 to monitor and assist Tasmanian devils in the wild. | There are numerous reasons for the dechne of the Tasmanian | devils, but the population started declining rapidly after the arrival ot a virus known as devil facial tumour disease in the mid-90s The Number of Tasmanian Devils 300000 100% 250000 9000 80% 200000 200000_6g% 170000 60% 150000 150000 47% - 117500 100000 15% 較 10% 拉 37500 ご55o0 0 l ma 1996 2000 2004 2006 2008 2010 2015 10

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