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- 2011-9-15
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- 1970-1-1
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1, 背景:Loggerhead turtles live and breed in distinct groups, of which some are in the Pacific Ocean and some are in the Atlantic. 条件:95% of the DNA samples taken from the Baja turtles match those taken from turtles at the Japanese nesting sites. 结论:Juvenile Pacific loggerheads that feed near the Baja peninsula hatch in Japanese waters 10000 kilometers away 推测:DNA一致是在日本水域产卵的,因为这一种海龟经常到处生产 选C,日本海域的海龟数下降没有影响到Baja的,证明不是日本海域生产的
2, 背景:making certain improvements to the main commuter rail line would increase ridership 条件:raising automobile tolls on the two highway bridges along the route the rail line serves. 结论:ridership of the rail line will increase 推测:如果开车的人,不走这两条高速公路,那交这个钱就会值得,没有用处 选D,(人们选择走远路都不要多给钱)
3, 背景:Corns can be traded on the future market before they harvested. 条件:This morning meteorologists are predicting much-needed rain for the corn-growing region starting tomorrow 结论:The future price of corns will fall today 推测:除了雨水,还有其他的干扰因素,不能直接得出结论 选D,disease that has devastated some of the corn crop will spread widely before the end of the growing seasons
4, 背景: Company 0 and P each have the same number of employees who work the same number of hours per weeks 条件:the employees of Company O had fewer job-related accidents last year than did the employees of Company P 结论:Therefore, employees of Company O are less likely to have job-related accidents than are employees of Company P 推测:去年的数据,O公司的员工发生工作意外的比P公司的要少≠O公司的员工比较少可能有工作意外,有可能O公司的保护措施比较好。 选C,P公司的人比较多生病,而且可能是工作引起的
5, 背景: A drug that is highly effective in treating many types of infection can, at present, be obtained only from the ibora. 条件:The tree is quite rare in the wild and it takes the bark of 5000 trees to make one kilogram of the drug 结论:lead to ibora’s extinction 推测:虽然这个树是在野外的,而且产量不高,那么人工种植的树? 选D,the ibora can be propagated from cuttings and grown under cultivation
请问什么时候会对答案啊? |
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