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Cho 2 giống chó lông ngắn thuần chủng và lông dài thuần chủng giao phối với nhau đc f1 toàn chó lông ngắn khi cho các con chó f1 giao phối vs nhau thì tỉ lệ kiểu hình ở f2 như thế nào. Yêu cầu vẽ sơ đồ
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II. Read the text and match the questions with the answers. o exercise hould eat WHAT SHOULD MY DAILY INTAKE OF CALORIES BE? A person should have a healthy diet. A man needs around 2.500 kcal a day, but the intake of calories for a woman is lower, about 2,000 kcal a day. These pumbers can be different according to age and lever of physical activities. 1. A. 2. A. 3. А 4. A To have a healthy weight, the number of calories you eat should be equal to the number of calories you burn through physical activities. You need to use more energy than you consume, so you can lose weight in a healthy way. This is how to do: + Eat a healthy, balanced diet with fewer calories. +Do more physical activities. I. 1. To gain weight, you need to eat more calories than your body uses every day. 3 1. Should a person's diet be healthy? a. 2,000 kcal a day. 2. How many calories does a man need a day? b. No, it isn't. 3. What is the intake of calories for a woman? c. Physical activities. 4. Is the daily intake of calories the same for everyone? d. 2,500 kcal. 5. What helps you burn your calories? e. No, they don't. f. You need to eat more calories than your body uses every day. 6. Do more physical activities help you gain weight? 7. What do you need to do to gain weight? g. Yes, it is.

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