a. 不健康的
The teens chose healthy snacks and drinks (such as fruit or water) more often over unhealthy options (like biscuits and soda).
四级 · CET-4 2025年12月 第2套 · Part III 第46–50题
They tend to consume larger portions of unhealthy food.
六级 · CET-6 2025年12月 第2套 · Part II 第11题
Researchers reviewed all the evidence published related to dietary diversity and saw a correlation between dietary diversity and a greater intake of both healthy and unhealthy foods.
六级 · CET-6 2023年3月 第1套 · Part III 第51–52题
Are unhealthy diets really the result of poor choices, limited food skills and knowledge?
四级 · CET-4 2022年12月 第3套 · Part III 第51–52题
Scientists have learned that several thought patterns appear to be unhealthy for telomeres, and one of them is cynical hostility.
六级 · CET-6 2022年12月 第3套 · Part III 第45题