【專題 GMAT邏輯題】
Maize contains the vitaminniacin, but not in a form the body can absorb. Pellagra is a disease thatresults from niacin deficiency. When maize was introduced into southern Europefrom the America in the eighteenth century, it quickly became a dietary staple,and many Europeans who came to subsist primarily on maize developed pellagra.Pellagra was virtually unknown at that time in Americas, however, even among peoplewho subsisted primarily on maize.
Whichof the following, if true, most helps to explain the contrasting incidence ofpellagra described above?
(A)Once introduced into southern Europe, maize became popular with landownersbecause of its high yields relative to other cereal crops.
(B)Maize grown in the Americas contained more niacin than maize grown in Europedid.
(C)Traditional ways of preparing maize in the Americas convert maize』s niacin intoa nutritionally useful form.
(D)In southern Europe many of the people who consumed maize also ate niacin-richfoods.
(E) Before the discovery of pellagra』slink with niacin, it was widely believed that the disease was an infection thatcould be transmitted from person to person.
詩歌的翻譯者必須實現字與字的對譯，這在任何語言中都不存在的，正如鋼琴的旋律不可能發生在小提琴的演奏中一樣。當然，小提琴可以演奏鋼琴同樣的作品，但是，只有小提琴演奏者按照小提琴固有的、內在的風格演奏，才可以完美地表現原作的精神。以下哪項最可能是上述論證的一個結論？
中國科研環境在持續改善。數據顯示，2016年，中國研發經費投入總量為1.57萬億元，成為僅次於美國的世界第二大研發經費投入國家，隨著一系列國家重點創新項目、重點學科和重點實驗室陸續建立，今天的中國，已有能力為科研人員提供不輸於西方國家的科研條件。下列各項如果為真，最能加強上述論證的是（）
以下諸項結論都是某理工學院學生處根據各個系收到的1997~1998學年度獎助學金申請表綜合得出的。在此項綜合統計做出后，因為落實災區政策，有的系又收到了一些學生補交上來的申請表。
以下哪項結論最不可能被補交獎助學金申請表這一新事實所推翻？
①P（A+B）=P（A）+P（B）；
②P（A+ . A ）=P（A）+P（ . A ）；
③P（A∪ . A ）=1；
④若P（A）=1，則事件A一定是必然事件．
注:事件A的對立事件記為A，然後在A的上面還有一點。因為33不能用特殊符號，我就把點移到左側，變成.A。
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