IT CAN BE INFERRED FROM THE PASSAGE THAT WHICH OF THE FOLLOWING DISCOV...

Tiếng Anh Đề thi thử Đại học môn Tiếng Anh trường THPT Quế Võ 1, Bắc Ninh năm 2013 (Lần 4)

Câu 47:

It can be inferred from the passage that which of the following discoveries was made during the

first era in the history of nutrition?

A. Protein was recognized as an essential component of diet.

B. Vitamins were synthesized from foods.

C. Effective techniques of weight loss were determined.

D. Certain foods were found to be harmful to good health.