It can be inferred from the passages 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

26/69

It can be inferred from the passages that which of the following discoveries was made during the first era in the history of nutrition?

Protein was recognized as an essential component of diet.

Vitamins were synthesized from foods.

Effective technique of weight loss were determined.

Certain food were found to be harmful to good health.

Giải thích

Đáp án A

"Near the end of this era…associated with certain food"

Dịch: Gần cuối của giai đoạn này, các nghiên cứu chứng minh rằng sự giảm cân nhanh chóng có liên quan đến sự thiếu cân bằng nitrogen và có thể điều chỉnh bằng việc cung cấp protein có trong thức ăn hằng ngày.