Once he knew the beginning and end points, the scientist was able to trace the path of the pro__________tile.
Fill in the blank(s) with correct word
Question 2
For over a decade, beta-carotene pills have been promoted as a way to prevent cancer. However, according to the World Health Organization (WHO), several U.S. studies have found that the pills don't have any cancer-fighting properties. A Physician's Health Study carried out in 1994, for instance, indicated that there was no noteworthy decline in the rate of cancer for people taking high doses of beta-carotene supplements. In addition, two later studies suggest that taking high doses of beta-carotene pills in combination with smoking may actually increase the risk of lung cancer. And yet another study published by WHO points to an increase in heart disease for smokers who take beta-carotene pills.
Implied Main Idea
a. Those who want to fight cancer would be better off eating high doses of fruits and vegetables than they would swallowing beta-carotene pills.
b. Taking beta-carotene pills may not prevent cancer; in addition, it may actually further damage the health of people who smoke while taking the supplements.
c. Two studies suggest that taking beta-carotene supplements causes lung cancer.
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