that it was difficult, when dealing with riverbed deposits, to be sure that arti facts had not become jumbled out of their true place, and thus time, in the geol ogic layers. They questioned whether the discoverers could reliably conclude tha t the stone tools were in fact contemporary with the bones. But in a commentary accompanying the article, Dr. John A.J. Gowlett of the University of liverpool in England wrote,"Although there are questions to be answered, the artifacts il lustrate both the capacity of early humans to do the unexpected, and the value o f archaeologists researching in unlikely areas. The discoverers said they could not determine from the few stone artifacts wheth er the site was occupied by Neanderthals, hominids who by then had a long histor y as hunters in Europe and western Asia, or some of the first anatomically moder n humans to reach Europe. In any case, other archaeologists said, the findings could be significant If these toolmakers were Neanderthals, the findings suggested that these human r elatives, who became extinct after 30, 000 years ago, were more capable and adapt able than they are generally given credit for. living in the Arctic climate pres umably required higher levels of techno logy and social organizati If they were modern humans, then the surprise is that they had penetrated so far north in such a short time. There has been no firm evidence for modern humans i n Europe before about 35, 000 years ago. It had generally been thought that the n orthernmost part of Eurasia was not occupied by humans until the final stage of the last ice age, some 13, 000 to 14, 000 years ago, when the world s climate bega n to moderate. Dr. Gowlett said the new findings indicated that the arctic regio n of European Russia was extremely cold but relatively dry and ice-free more tha n 30, 000 years ago 26. What is the significance of the discovery? A)It shows that modern humans lived in the Arctic more than 3, 000 years ago B)It shows that Neanderthals lived in the Arctic more than 3, 000 years ago C) It shows the oldest documented evidence for human presence at such high la titude D)It shows human could use tools 30, 000 years ago 27. Why the team believed that the four-foot mammoth tusk was the most imp ortant find? A)Because it was the longest tusk ever found. B)Because there were signs left by human,s tools on it. C)Because there were grooves on it. )Because there are not any mammoth tusk all over the world 28. When did the neanderthals extinct? A)More than 30, 000 years ago. B)After 30, 000 years ago. C)Before about 35, 000 years ago. D)Some 13, 000 to 14, 000 years ago 29 Who were those toolmakers?that it was difficult, when dealing with riverbed deposits, to be sure that arti facts had not become jumbled out of their true place, and thus time, in the geol ogic layers. They questioned whether the discoverers could reliably conclude tha t the stone tools were in fact contemporary with the bones. But in a commentary accompanying the article, Dr. John A. J. Gowlett of the University of Liverpool in England wrote, “Although there are questions to be answered, the artifacts il lustrate both the capacity of early humans to do the unexpected, and the value o f archaeologists’ researching in unlikely areas.” The discoverers said they could not determine from the few stone artifacts wheth er the site was occupied by Neanderthals, hominids who by then had a long histor y as hunters in Europe and western Asia, or some of the first anatomically moder n humans to reach Europe. In any case, other archaeologists said, the findings could be significant. If these toolmakers were Neanderthals, the findings suggested that these human r elatives, who became extinct after 30,000 years ago, were more capable and adapt able than they are generally given credit for. Living in the Arctic climate pres umably required higher levels of technology and social organization. If they were modern humans, then the surprise is that they had penetrated so far north in such a short time. There has been no firm evidence for modern humans i n Europe before about 35,000 years ago. It had generally been thought that the n orthernmost part of Eurasia was not occupied by humans until the final stage of the last ice age, some 13,000 to 14,000 years ago, when the world’s climate bega n to moderate. Dr. Gowlett said the new findings indicated that the Arctic regio n of European Russia was extremely cold but relatively dry and ice-free more tha n 30,000 years ago. 26.What is the significance of the discovery? A) It shows that modern humans lived in the Arctic more than 3,000 years ago. B) It shows that Neanderthals lived in the Arctic more than 3,000 years ago. C) It shows the oldest documented evidence for human presence at such high la titude. D) It shows human could use tools 30,000 years ago. 27.Why the team believed that the four-foot mammoth tusk was the most imp ortant find? A) Because it was the longest tusk ever found. B) Because there were signs left by human’s tools on it. C) Because there were grooves on it. D) Because there are not any mammoth tusk all over the world. 28.When did the Neanderthals extinct? A) More than 30,000 years ago.B) After 30,000 years ago. C) Before about 35,000 years ago.D) Some 13,000 to 14,000 years ago . 29.Who were those toolmakers?