15．Evaluating（評價） sources of health information．
    Making good choices about your own health requires reasonable evaluation．A key first step in bettering your evaluation ability is to look carefully at your sources of healthy information．Reasonable evaluation includes knowing where and how to fins relevant information，how to separate fact from opinions，how to recognize poor reasoning，and how to analyze information and the reliability of sources．（36）GGo to the original source．Media reports often simplify the results of medical research．Find out for yourself what a study really reported，and determine whether it was based on good science．Think about the type of study．（37）DWatch for misleading language．Some studies will find that a behaviour"contributes to"or is"associated with"an outcome； this does not mean that a certain course must lead to a certain result．（38）FCarefully read or listen to information in order to fully understand it．
    Use your common sense．If a report seems too good to be true，probably it is．Be especially careful of information contained in advertisements．（39）BEvaluate"scientific"statements caref ully，and be aware of quackery（江湖騙術(shù)）．
    （40）AFriends and family members can be a great source of ideas and inspiration，but each of us needs to find a healthy lifestyle that works for us．
     Developing the ability to evaluate reasonably and independently about the health problems will serve you well throughout your life．

A．Make choices that are right for you．
B．The goal of an ad is to sell you something．
C．Be sure to work through the critical questions．
D．And examine the findings of the original research．
E．Distinguish between re search reports and public health advice．
F．Be aware that information may als o be incorrectly explained by an author's point of view．
G．The following suggestions can help you sort through the health information you receive from common sources．

分析 本文是一篇說明文．文章講述了如何鑒別一些健康信息，如：依靠原始的信息源、注意區(qū)別誤導(dǎo)性的信息等．

解答 GDFBA
36．G 考查上下文的語境理解及邏輯推理．根據(jù)上文可知，前面的幾個how to表明，你如何做出選擇．而G是下面這些建議幫你鑒別正確的健康信息．順理成章．
37．D 考查上下文的語境理解及邏輯推理．根據(jù)關(guān)鍵詞定位可知，尤其是Go to the original source，所以本段的關(guān)鍵詞是：original source．只有D選項一致．
38．F 考查上下文的語境理解及邏輯推理．通過小標題Watch for misleading language以及根據(jù)上文舉例，如：contribute to，associated with可知，要注意解釋的欺騙性．故選F．
39．B 考查上下文的語境理解及邏輯推理．根據(jù)該段的小標題Use your common sense以及Be especially careful of information contained in advertisements建議我們要注意廣告中的一些信息，得出文報道似乎很真實，就是為了誘導(dǎo)你買東西．故選B．
40．A 考查上下文的語境理解及邏輯推理．最后 一段Friends and family members can be a great source of ideas and inspiration，but each of us needs to find a healthy lifestyle that works for us．建議我們要最后總結(jié)做出適合你的選擇，朋友和家人是主意的好的來源，故選A．

點評 本文是一篇選句填空，題目涉及多道細節(jié)理解題，做題時結(jié)合原文和題目有針對性找出相關(guān)語句進行仔細分析，結(jié)合選項選出正確答案．推理判斷也是要在抓住關(guān)鍵句子的基礎(chǔ)上合理的分析才能得出正確的答案．

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