Read the passage and choose the correct title for it ( Đọc đoạn văn và chọn tiêu đề đúng cho nó) A. How to live long B. What food to eat The Japanese live long lives. The main reason is their diet. They eat a lot of fish and vegetables. They cook fish with little cooking oil. They also eat a lot of tofu, a product from soybeans. Tofu has vegetable protein and vitamin B. It doesn't have any fat. The Japanese work hard and do a lot of outdoor activities too. This helps them keep fit.