28. Укажите, какие предложения соответствуют содержанию текста.
Подтвердите свои ответы фактами из текста.
1. Anthracite coals may be divided into lignite and common
brown coal.
2. Coals are ranked according to the percentage of carbon they
contain.
3. Peat, with the least amount of carbon is the lowest rank, then
comes lignite or brown coal.
4. Brown coal is hard and it is not liable to spontaneous combus­
tion.
5. Bituminous coal weathers rapidly and one cannot keep it in
open piles.
6. Being intensively used in the Iron and steel industry bitumi­
nous coal varies from medium to high rank.
7. Anthracite or hard coal, the highest in percentage of carbon,
can be blended with bituminous grades of coal.

Marco Polo is the Italian merchant and the traveler who has presented history of the travel across Asia in the well-known "Book about a variety of the world". Despite the doubts in reliability of the facts stated in this book, stated from the moment of her emergence till present time she is a valuable source of knowledge of geography, ethnography, history of Armenia, Iran, China, Kazakhstan, Mongolia, India, Indonesia and other countries in the Middle Ages.

Перевод:

Ма́рко По́ло  — итальянский купец и путешественник, представивший историю своего путешествия по Азии в знаменитой «Книге о разнообразии мира». Несмотря на сомнения в достоверности фактов, изложенных в этой книге, высказываемые с момента её появления до нынешнего времени, она служит ценным источником знаний по географии, этнографии, истории Армении, Ирана, Китая, Казахстана, Монголии, Индии, Индонезии и других стран в средние века.

1. I prefer texting my friends.
2. It depends on how busy I am.
3. Yes, I do.
4. Yes, I do. It is a lot of fun.
6. I spend 2-3 hours every day surfing the Internet.
7. Yes, I do. Reading interesting information on the Internet is good for education.
8. Yes, I do. It is because I miss them.
9. It depends on how busy they are. But we usually meet.
10. No, I don’t.
12. Microwaveable food is bad for health, but I like it.
13. I prefer going on the Internet during the daytime because my mind is fresh.
14. Yes, I do. I buy many things after school.
15. I get up at 7ish.