28. Pooling results from three observational studies involving 187,453 men andwomen followed for more than 25 years, researchers found that compared to ating potatoes only once a month, having one potato — baked or boiled — four to six times a week increases the risk of hypertension for 11 percent.
(A)results from
(B)followed
(C)baked or boiled
(D)for
(E)No Error.
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統計: A(10), B(10), C(1), D(28), E(7) #1308515
統計: A(10), B(10), C(1), D(28), E(7) #1308515