20xx年商務(wù)英語(yǔ)考試真題答案技巧通過(guò)(編輯修改稿)
2024-10-13 16:39 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 language while they sleep as well as when they are test the theory, Cheour and her colleagues studied 45 newborn babies in the first few days of their exposed all the infants to an hour of Finnish vowel sounds—one that sounds like “oo”, another like “ee” and a third boundary vowel peculiar to Finnish and similar languages that sounds like something in recordings of the infants brains before and after the session showed that the newborns could not distinguish the of the babies then went back with their mothers, while the rest were split into two sleepstudy group was exposed throughout their nighttime sleeping hours to the same three vowels, while the others listened to other, easiertodistinguish vowel tested in the morning, and again in the evening, the babies who’d heard the tricky boundary vowel all night showed brainwave activity indicating that they could now recognise this new could identify the sound even when its pitch was changed, while none of the other babies could pick up the boundary vowel at doesn’t know how babies acplish this nighttime learning, but she suspects that the special ability might indicate that unlike adults, babies don’t “turn off” their cerebral cortex while they skill probably fades in the course of the first year of life, she adds—so forget手機(jī)、網(wǎng)頁(yè)、下面的短文后有2項(xiàng)測(cè)試任務(wù)：(1)第23～26題要求從所給的6個(gè)選項(xiàng)中為第2～5段每段選擇1個(gè)最佳標(biāo)題。(2)第27～30題要求從所給的6個(gè)選項(xiàng)中為每個(gè)句子確定1個(gè)最佳選項(xiàng)?；卮?330題：Screen TestEvery year millions of women are screened with Xrays to pick up signs of breast this happens early ecough, the disease can often be treated to a survey published last year, 21 countries have screening of them, including Australia, Canada, the US and Spain, screen women under the medical benefit of screening these younger women are controversial, partly because the radiation brings a small risk of inducing , younger women must be given higher doses of Xrays because their breast tissue is at the Polytechnic University of Valencia analysed the effect of screening more than 160,000 women at 11 local estimating the women’s cumulative dose of radiation, they used two models to calculate the number of extra cancers this would mathematical model remended by Britain’s National Radiological Protection Board(NRPB)predicted that the screening programme would cause 36 cancers per 100,000 women, 18 of them model preferred by the UN Scientific Committee on the Effects of Atomic Radiation led, to a lower figure of 20 researchers argue that the level of radiationinduced cancers is “not very significant” pared to the far larger number of cancers that are discovered and Valencia programme, they say, detects between 300 and 450 cases of breast cancer in every 100,000 women they point out that the risk of women contracting cancer from radiation could be reduced by between 40 and 80 percent if screening began at 50 instead of 45, because they would be exposed to less results of their study, they suggest, could help “optimise the technique” for breast cancer screening.“There is a tradeoff between the diagnostic benefits of breast screening and its risks.” admits Michael Clark of the NRP he warns that the study should be interpreted with caution.“On the basis of the current data, for every 10 cancers successfully detected and prevented there is a risk of causing one later in ’s why radiation exposure should be minimised in any screening programme.”P(pán)aragraph 2_____2Paragraph 3_____2Paragraph 4_____2Paragraph 5_____ Screening May Do to a Younger Woman the Effect of Screen
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