4. Medical scientists believe that____.
A) tests have been designed to settle the cholesterol dispute
B) drugs have been tested to reduce the amount of the substance in blood
C) low cholesterol foods or anti cholesterol drugs or both can reduce the chance of a heart attack
D) none of the statements mentioned above is correct
5. Which of the following statements in NOT true?
A) One can avoid a heart disease by eating less foods with little cholesterol.
B) One can avoid a heart disease by taking the doctors advice to eat low cholesterol foods and anti cholesterol drugs or both.
C) There has been good scientific evidence that cholesterol foods can produce the chance of suffering a heart disease.
D) People usually believe that cholesterol foods are directly linked to heart disease.
答案与解析:
1.B。
根据短文,人们可以通过 来减小患心脏病的机率。此题考查辨认事实的能力。根据文章第一段所述,少吃含胆固醇的食物可以减少患心脏病的机率。据此,答 案不难找到。B)少吃低胆固醇的食物。这是减少患心脏病比较可行的方法。相比较而言,其它说法都和题意相悖。A)少吃含有大量胆固醇的食物。这样只能增加患高血压的机率。C)多吃含高胆固醇的食物。这样患心脏病的机会更大。D)吃药。吃药不是解决患心脏病的办法,也不能减小机率。
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