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题目总数20 平均正确率 81% 预计耗时 42min 完成人数 8090
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题号 题目内容 耗时/秒 平均正确率 操作
SC-0d1ith
In the major cities of industrialized countries at the end of the nineteenth century, important publ 126 69%

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SC-9a2iuh
Each year companies in the United States could save as much as $58 billion [u]annually by preventing 126 42%

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SC-f0bivh
Stock levels for domestic crude oil are far lower than in past years, [u]leaving domestic oil prices 126 62%

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SC-856iwh
The Nobel Prize in chemistry was awarded to three scientists for their discovery [u]that plastic can 126 83%

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SC-799ixh
In 1945, after a career as First Lady in which she shattered expectations [u]more audaciously than e 126 47%

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SC-5aeiyh
An international team of [u]astronomers working at telescopes in the Canary Islands and Spain has de 126 71%

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SC-018izh
Results of a United States study published in the Annals of Internal Medicine have shown [u]college- 126 96%

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SC-17cj0h
A recent study has found [u]amoxicillin, long a standard treatment for ear infections, as being abou 126 91%

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SC-6caj1h
Methane, which has long been counted among the greenhouse gases [u]that are implicated in global war 126 88%

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SC-843j2h
Archaeologists in Egypt have excavated a 5,000-year-old wooden hull that is the earliest surviving e 126 60%

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SC-605j3h
Although they are more temperamental and far more expensive than transistor-driven amplifiers, [u]ma 126 84%

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SC-6a0j4h
Research has shown that when speaking, individuals who have been blind from birth and [u]have thus n 126 71%

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SC-839j5h
Both the complexity of the phenomenon known as extinction [u]and the vastness of the biosphere, havi 126 91%

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SC-66ej6h
The decline of the mountain yellow-legged frog in the high reaches of the Sierra Nevada has become [ 126 85%

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SC-959j7h
Unlike frogs that metamorphose from tadpoles into adults within a one-year period, [u]it takes three 126 77%

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SC-e5cj8h
In some species of cricket, the number of chirps per minute used by the male [u]for attracting femal 126 40%

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SC-741j9h
Industrialization and modern methods of insect control have improved the standard of living around t 126 60%

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SC-a78jah
A decade after initiating the nation's most comprehensive and aggressive antismoking program, [u]per 126 59%

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SC-c4ajbh
A study of food resources in the North Pacific between 1989 and 1996 revealed [u]that creatures of t 126 41%

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SC-b7ajch
To help counteract the adverse effects of trout stocking on the amphibian populations in certain mou 126 93%

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