問題詳情
請依下文回答第 46 題至第 50 題Researchers have pointed out that it is important to know one’s blood type. When Harvardscientists 46 more than two decades of data on more than 77,000 people, they found that people with type ABblood had a 23 percent increased risk for heart disease compared to people with type O blood. 47 with type Bblood had an 11 percent higher risk and people with type A blood had 5 percent greater risk of heart disease.Researchers aren’t sure 48 , though. But they posit that type A blood is associated with LDL cholesteroland that type O blood, 49 is associated with reduced risk, may contain a chemical that boosts blood flow andprevents clots. However, researchers are quick to point out that lifestyle factors 50 weight, smoking, and diet,which, unlike blood type, are modifiable and have a much greater impact on heart disease.
【題組】46
(A) analyzed
(B) excluded
(C) resolved
(D) delivered
參考答案
答案：A
難度：簡單0.785714
統計：A(11),B(0),C(3),D(0),E(0)
用户評論
【“勞謙君子，有終吉”】評論
研究人員指出，了解一個人的血型非常重要。當哈佛大學科學家（分析）超過27,000人的數據超過20年時，他們發現AB型血患者患心臟病的風險比O型血患者增加23％。 B型血的患者風險增加11％，A型血患者患心臟病的風險增加5％。但研究人員並不確定（為什麼）。但是他們認為A型血液與LDL膽固醇有關，而O型血液（與風險降低有關）可能含有促進血液流動並防止凝塊的化學物質。然而，研究人員很快指出，生活方式因素（如）體重，吸煙和飲食，與血型不同，可以改變，對心臟病有更大的影響。