专题八真题典例 Previously, many naturalists believed that African savanna elephants and African forest elephants were two populations of the same species, despite the elephants significant size differences. The savanna elephant has an average shoulder height of 3.5 metres while the forest elephant has an average shoulder height of 2.5 metres.The savanna elephant weighs between six and seven tons roughly double the weight of the forest elephant. But the they are different species. However the proof lay in the an fact that they look so different does not necessarily m analysis of the DNA. Alfred Roca, assistant professor in the Department of Animal Sciences at the University of linois, said, "We MYKONGLONG
专题八 │真题典例 Previously，many naturalists believed that African savanna elephants and African forest elephants were two populations of the same species，despite the elephants’ significant size differences.The savanna elephant has an average shoulder height of 3.5 metres while the forest elephant has an average shoulder height of 2.5 metres.The savanna elephant weighs between six and seven tons， roughly double the weight of the forest elephant.But the fact that they look so different does not necessarily mean they are different species.However the proof lay in the analysis of the DNA. Alfred Roca，assistant professor in the Department of Animal Sciences at the University of Illinois，said，“We
专题八真题典例 now have to treat the forest and savanna elephants as two different units for conservation purposes. Since 1950, all African elephants have been conserved as one species. Now that we know the forest and savanna elephants are two very distinctive animals, the forest elephant should become a bigger priority(fty)for conservation purposes. 0 1.One of the fossils studied by the researchers is that A. the Asian elephant B. the forest elephant C. the savanna elephant D. the mastodon elephant MYKONGLONG
专题八 │真题典例 now have to treat the forest and savanna elephants as two different units for conservation purposes.Since 1950，all African elephants have been conserved as one species.Now that we know the forest and savanna elephants are two very distinctive animals，the forest elephant should become a bigger priority(优先)for conservation purposes.” ( )1.One of the fossils studied by the researchers is that of ________. A．the Asian elephant B．the forest elephant C．the savanna elephant D．the mastodon elephant
专题八真题典例 )2. The underlined word"divergence"in paragraph 4 means“ A. evolution B. exhibition C. separation D. examination 3 The researchers'conclusion was based on a study of the African elephants A. DNA B. height C. weight D. population MYKONGLONG
专题八 │真题典例 ( )2.The underlined word “divergence” in paragraph 4 means “________.” A．evolution B．exhibition C．separation D．examination ( )3.The researchers’ conclusion was based on a study of the African elephant’s ________. A．DNA B．height C．weight D．population
专题八真题典例 C 4. What are alfred roca's words mainly about? A. The conservation of African elephants. B. The purpose of studying African elephants C. The way to divide african elephants into two units D. The reason for the distinction of African elephants 5Which of the following can be the best title for the passage? A. Naturalists' Beliefs about Elephants B. Amazing Experiments about Elephants C. An Unexpected Finding about Elephants D. ALong Scientific Debate about Elephants MYKONGLONG
专题八 │真题典例 ( )4.What are Alfred Roca’s words mainly about? A．The conservation of African elephants. B．The purpose of studying African elephants. C．The way to divide African elephants into two units. D．The reason for the distinction of African elephants. ( )5.Which of the following can be the best title for the passage? A．Naturalists’ Beliefs about Elephants B．Amazing Experiments about Elephants C．An Unexpected Finding about Elephants D．A Long Scientific Debate about Elephants