Increases in the level of high-density lipoprtein (HDL) in the human bloodstream
lower bloodstream-cholesterol levels by increasing the body's capacity to rid
itself of excess cholesterol. Levels of HDL in the bloodstream of some individuals
are significantly increased by a program of regular exercise and weight reduction.
Which of the following can be correctly inferred from the statements above?
(A) Individuals who are underweight do not run any risk of developing high levels
of cholesterol in the bloodstrem.
(B) Individuals who do not exercise regularly have a high risk of developing high
levels of cholesterol in the bloodstream late in life.
(C) Exercise and weight reduction are the most effective methods of lowering
bloodstream cholesterol levels in humans.
(D) A program of regular exercise and weight reduction lowers cholesterol levels in
the bloodstream of some individuals.
(E) Only regular exercise is necessary to decrease cholesterol levels in the
bloodstream of individuals of average weight.
答案是(D)。这题不是很明白，请各位大牛指点。
这题我也错了，但下来把逻辑图一画，就明白了
提高HDL -> 降低cholesterol levels
而有一个program ->提高HDL
故，program->提高HDL-> 降低cholesterol levels
即可以推理得到答案D：program->降低cholesterol levels
看原文：两句话，但是有结合点HDL，因此可以得出如new_land所列的逻辑链，根据逻辑链去找答案，答案一定是逻辑链上的一段（包括不直接相连的链）。实际上，本着GMAT题干给的信息都会有用的原则，答案一定是由HDL这个结合点所连起来的那条链。
本题中经典的GMAT出题法包括：
1。对原文的改写：increase the capacity to rid itself of excess cholesterol --> lower cholesterol levels
2。AB的...who，从general的情况变成特定的一群人，是很常见的错误；C的most和E的only，都是原文中没有提到的概念，也是很常见的错误。
检验：D的所有信息都来自原文。
看原文：两句话，但是有结合点HDL，因此可以得出如new_land所列的逻辑链，根据逻辑链去找答案，答案一定是逻辑链上的一段（包括不直接相连的链）。实际上，本着GMAT题干给的信息都会有用的原则，答案一定是由HDL这个结合点所连起来的那条链。
本题中经典的GMAT出题法包括：
1。对原文的改写：increase the capacity to rid itself of excess cholesterol --> lower cholesterol levels
2。AB的...who，从general的情况变成特定的一群人，是很常见的错误；C的most和E的only，都是原文中没有提到的概念，也是很常见的错误。
检验：D的所有信息都来自原文。
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