分析 本文是科普類閱讀,講述的是通過在老鼠身上實驗發(fā)現(xiàn)通過注射年輕老鼠的血液可以改善年老的老鼠的一些狀況,將有助于老年癡呆治療的研究.
解答 29-32 ADCB
29.A 考查細節(jié)理解題.根據(jù)第一段提到Researchers in the US say they might have discovered how to fight against and even reverse some processes of ageing,at least in mice.Injecting the blood of young mice into the older ones improved their brainpower,a study found.美國一項研究說,他們可能發(fā)生了如何對抗和顛倒年齡的過程,在年老的老鼠身上注射年輕老鼠的血液,提高他們大腦的活力,故選A項.
30.D 考查細節(jié)理解題.根據(jù)第一段提到Scientists at Stanford University plan to carry out trials in people in the hope that new treatments for dementia(癡呆癥) can be developed斯坦福大學的科學家計劃進行這些實驗目的是發(fā)現(xiàn)治療癡呆癥的治療方案,故選D項.
31.C 考查細節(jié)理解題.根據(jù)倒數(shù)第二段提到A research center in UK said the treatment restored certain aspects of learning and memory in mice有助于學習記憶的方面再根據(jù)最后一段提到The research,published in Science,found the blood factors encouraged the growth of brain cells in old mice,促進年老的老鼠的腦細胞的生長,故沒有提到C 項.
32.B 考查推理判斷題.根據(jù)倒數(shù)第二段提到The research,while very interesting,did not test the type of brain damage that was seen in dementia,which is not a necessary consequence of ageing這個研究雖然很有趣,但沒有檢出大腦在癡呆壞掉的細胞,這不是變老的必然結果,可見作者持有客觀的態(tài)度,故選B項.
點評 考察學生的細節(jié)理解和推理判斷能力,做細節(jié)理解題時一定要找到文章中的原句,和題干進行比較,再做出正確的選擇.在做推理判斷題不要以個人的主觀想象代替文章的事實,要根據(jù)文章事實進行合乎邏輯的推理判斷.
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