1. 30 minutes is enough time to use social media because the screens of electronic devices................ lights blue A. Give up B. Give off C. Take in D. Take up 2. I usually cook some simple Vietnamese dishes, whose .................... are meat, onion, pepper, salt, and sugar. A. Minerals B. Nutritions C.Recipes D. Ingredients 3. I think we need to eat a balanced diet because junk food has a lot of fat, which is harmful............... our health. A. for B. win C. to D. by 4.While smoking and fast food consumption can increase the risk of obesity, doing regular................ activity can help people have a good shape A. mental B. physical C. daily D. extracurricular 5.The coronavirus is so............... that all citizens in this city contract it. A. Infection B. infected. C. cut into D. cut by