Read and answer. (读句子，回答问题)

1. How do you feel if you have the flu?______________________________________________

2. How do you feel if you get a low score?___________________________________________

3. How do you feel if you do much homework? _______________________________________

4. How do you feel if you win the competition (比赛)?__________________________________

宁夏红枸杞酒的最佳饮用量为50—200毫升。