Since 1970, millions of enthusiasts ( ) Vitamin C, which they believe can remedy the common cold.
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- 14. Since 1970, millions of enthusiasts ____Vitamin C, which they believe can remedy the common cold. A: A. have taken B: B. have been taken C: C. havebeen taking D: D. have taking
- There is really no evidence from scientific studies that vitamin C can lower the incidence of the common cold, or prevent it in the first place.
- c. Vitamin C supplementation may reduce the severity of symptoms of a common cold.
- 5. What can we infer from the passage? A. Chilling plays an important role in cold transmission. B. Doctors have definite knowledge about cold. C. People began to study cold in the 1950s. D. Cold is a common disease but hard to cure. A: Chilling plays an important role in cold transmission. B: Doctors have definite knowledge about cold. C: People began to study cold in the 1950s. D: Cold is a common disease but hard to cure.
- In the future, the discovery which will ...for the common cold.