分析 本文屬于說明文閱讀,作者通過這篇文章主要向我們描述了人類的生命由于生物技術(shù)的發(fā)展可以無限期延長的愿望有可能成為現(xiàn)實.
解答 17.A.細節(jié)理解題.根據(jù)第一段"Today's leading killers,such as heart disease,cancer,and aging itself,will become distant memories."可知導致人類死亡的主要原因是疾病和衰老;故選A.
18.A.推理判斷題.根據(jù)第二段"But the change in medicine can be the real technological event of our times."可以推斷出醫(yī)藥的改變是我們這個時代發(fā)展最大的技術(shù);故選A.
19.D.推理判斷題.根據(jù)第二段"But the upper limits will be broken by new medicine…medicine will have advanced to the point at which every 10 years or so,people will be able to take medicine to repair their organs."可知醫(yī)藥將能夠修復人的器官使人活得更長;故選D.
20.C.推理判斷題.根據(jù)最后一段"but many technical problems still must be cleared up on the way to this wonderful future."可知還有很多技術(shù)問題需要解決,才能實現(xiàn)(延長人類生命的目的);故選C.
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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