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题号 题目内容 耗时/秒 平均正确率 操作
SC-567dnh
Researchers in Germany have unearthed 400,000-year-old wooden spears from what [u]it appears was an 103 83%

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SC-412mnh
A survey of 765 working women over eighteen years of age found that 60 percent of them worked 40 or 103 83%

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SC-27cmoh
[u]Compared to those who do not, running three days a week saves[/u] an average of 14.1 percent on h 103 95%

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SC-1f2mph
The majority of scientists believe that to reduce and stabilize atmospheric concentrations of carbon 103 86%

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SC-1d8mqh
A group of paleontologists recently announced that a site in Utah has yielded fossils of some of the 103 50%

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SC-fc4i2h
In addition to her work on the Miocene hominid fossil record, Mary [u]Leakey contributed to archaeol 103 61%

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SC-d93mrh
A pair of architects in Britain, who say that giant arches, bridges, and walls made of artificial bo 103 74%

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SC-ee3msh
[u]Whereas heat transferred between the ocean and the atmosphere occurs more rapidly when the ocean 103 74%

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SC-710mth
Sixty-five million years ago, according to some scientists, an asteroid bigger than Mount Everest sl 103 66%

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SC-89amuh
Results from the 1998 National Demographic and Health Survey confirm that, even when compared with d 103 78%

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SC-94dmvh
Unlike other Mayan cities, [u]Cancun's commercial power throughout the lowlands seems to be from usi 103 94%

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SC-38fmwh
Several educational research groups are denouncing the mayor's proposal of a system by which individ 103 77%

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SC-3d2mxh

Radiocarbon dating of fossils taken from caves on islands along southeastern Alaska's coast [u]su

103 91%

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SC-686myh
Thirteen states from all regions of the country announced a plan [u]to impose new controls on pollut 103 90%

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SC-c34kqh
Some patients who do not respond to therapies for depression may simply have received inadequate tre 103 64%

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SC-044m7h
A recent poll indicates that many people in the United States hold a combination of conservative and 103 67%

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SC-b9ei7h
The Anasazi settlements at Chaco Canyon were built on a spectacular scale [u]with more than 75 caref 103 53%

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SC-0d6i6h
First discovered more than 30 years ago, Lina's sunbird, a four-and-a-half-inch animal [u]found in t 103 74%

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SC-4f3mzh
[u]Unlike battery-powered electric cars, automakers say that cars with fuel cells, which supply them 103 92%

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SC-c16n0h
[u]Although at one time children's programming had been limited to a few hours a week, now, however, 103 73%

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