【单选题】A healthy diet with proper nutrition is essential for maintaining good overall health. Since the discovery of vitamins earlier in this century, people have routinely been taking vitamin supplements fo...
A.
The RDA approach should be replaced by a more realistic nutritional guide.
B.
The RDA approach should be supplemented with more specific nutritional guides.
C.
In spite of its flaws,the RDA approach is definitely the best guide to good nutrition.
D.
The RDA approach is most suitable for a large family.
【单选题】Zunyi Conference on January 15, 1935 was an important meeting in the history of the Communist Party of China, which established the correct leadership of the new CPC Central Committee with ______ as i...