3. Составьте предложения, используя следующие слова:
1. limits, of, economics, to, study, the, of, aspects, the, material, itself, life.
2. problem, an, is, underlying, economics, in, that, survival, of.
3. seem, may, a problem, very, this, remote, very.
4. very, starvation, a, prospect, millions, for, real, human, beings, is, of.
5. peasants, an, Indian, have, living, of, the, low, extremely, standard.
6. people, great, experience, poverty, these.
7. degree, they, a, have, economic, of, independence
changed and it began to snow. 6The young men started climbing down again. 7It was very difficult because they could not see anything around them. 8So they decided to stop and put up a tent. 9They had a mobile phone, and they rang for help. 10They had been waiting for many hours and got absolutely cold. 11 At last they heard the sound of a helicopter. 12The helicopter found their tent and rescued them.
The two alpinists were safe!