Food & health：练习题

In the school canteen, many students choose snacks that are high in sugar and fat. To promote better Food & health, the school has decided to replace the vending machine's chocolate bars with a more nutritious option. Which of the following is the healthiest choice?

Read the following medical advice from a school nurse:

'To maintain a balanced diet and boost your immune system, you should consume a variety of nutrients. For instance, citrus fruits are rich in Vitamin C, while dairy products provide essential calcium. Avoid excessive consumption of processed snacks that are high in preservatives and artificial flavorings.'

What is the primary reason the nurse suggests eating citrus fruits?

Read the following advice from a school nurse:

'To prevent the spread of communicable diseases in the classroom, students must maintain good personal hygiene. If you develop a persistent cough or a skin rash, you should stay at home and consult a doctor immediately.'

Based on the text, what is the primary reason for staying at home when sick?

In a Music lesson, the teacher explains that playing a wind instrument like the flute requires good lung capacity. To improve their performance, students are encouraged to engage in regular aerobic exercise during Physical Education classes.

Which of the following is an example of an aerobic exercise that helps improve lung capacity?

Look at the following nutritional components for four different breakfast options:

1. Option A: High fiber, low sugar (Whole-grain cereal)
2. Option B: High protein, high fat (Fried eggs and bacon)
3. Option C: High sugar, low fiber (Donut and soda)
4. Option D: Low calorie, no protein (Black coffee and a plain cracker)

Which option provides a steady release of energy for a student to stay focused throughout a long morning of lessons?

Read the dialogue below and identify the food group being discussed:

Doctor: You need to eat more of these to build strong muscles and repair body tissues.
Patient: So I should eat more eggs, fish, and lean meat?
Doctor: Exactly.

In the context of Food & health, why is it important to have a 'balanced diet'? Explain one health benefit of including different food groups like grains, vegetables, and proteins.

Regarding Food & health, if a person consumes more calories than their body uses daily over a long period, what is the likely physical outcome, and name one long-term health risk associated with this condition.

Read the nutrition labels of two different snacks and answer the questions.

Snack A (Potato Chips - 50g):
- Calories: 260 kcal
- Total Fat: 15g
- Sodium (Salt): 300mg

Snack B (Roasted Almonds - 50g):
- Calories: 290 kcal
- Total Fat: 24g (mostly healthy fats)
- Sodium (Salt): 10mg
- Protein: 10g

Part A: If a student needs to reduce their salt intake for health reasons, which snack should they choose?
Part B: Which snack contains more protein?
Part C: Based on the information, why might Snack B be considered healthier than Snack A despite having more calories?

Read the dialogue about Food & health and answer the questions.

Doctor: Your health check shows that your cholesterol is a bit high. You should avoid deep-fried foods.
Patient: I usually have fried chicken for lunch. What should I eat instead?
Doctor: Try steamed fish or grilled vegetables. Also, you should cut down on sugary drinks.

Part A: What health issue does the patient have?
Part B: Name two cooking methods the doctor recommends as healthier alternatives to frying.
Part C: What does the phrasal verb "cut down on" mean in this context?