Письмо другу на (см фотографию)​

сильно сложно не могу : )

Объяснение:

1. What can lead to an unhealthy weight?

ответ: This leads to the development of hypertension, and early, it is often observed in overweight people by the age of thirty. And hypertension is the main risk factor for heart accidents.

2. How does physical activity benefit our muscles and bones?

ответ: Regular physical activity reduces the risk of heart disease (including heart attack, hypertension, and stroke) and helps fight overweight. This fact is widely known. However, significantly fewer people understand that physical activity is also very important in building and maintaining healthy, strong bones.

3. What does our heart do?

ответ: The heart is a muscular organ in humans and animals that pumps blood through blood vessels.

4. What is the difference between low-and medium-intensity classes?

ответ: For low — intensity exercises — 20 minutes or longer with a load of about 50% of the maximum capacity of the heart-fat reserves provide up to 90% of energy. And during aerobic exercise with a heart load of about 75% less fat is burned (about 60%), but the body loses more total calories, including "fat".

5. How does a person feel during high-intensity activity?

ответ: During an aerobic workout, your heart rate should be 70-75% of your maximum and maintained for at least 20 minutes.

Сделала кратко, подробно в источниках.

7. Read the text again. Are the statements true or false? Correct the false statements.

1) The train pushers' job is a full-time job. False. It's a part-time job.

2) Trains are crowded in the morning and in the evening. True

3) People hire stand-in-liners not to waste their time waiting in queues. True

4) Not everybody can work as an ice cream taster. True

5) Ice cream tasters work themselves. False. They work for large ice- cream   corporations.

8. Match the highlighted words in the texts with their definitions:

1) crowded - (adj.) very full of people (многолюдный, переполненный)

2) flavors - (n.) the taste of a particular type of food or drink (вкусовые оттенки)

3) evaluate - (v.) to consider or study something carefully and decide how good or bad it is (оценивать)

4) consistency - (n.) how thick or smooth a liquid is (консистенция)

5) hire - (v.) to begin to employ someone (нанимать)

6) texture (n.) the way food or drink tastes or feels in your mouth (текстура)

7) rush hours (n.) the time when a lot of people are travelling to or from work and so roads and trains are very busy (часы пик)

8) degree - (n.) a qualification given for completing a university course (степень)