nowadeys many people complain that they have dificulties getting enough sleep. What problems can lack of sleep cause. what can be done about lack of sleep.
Nowadays many people complain that they have dificulties getting enough sleep. What problems can lack of sleep cause? What can be done about lack of sleep?
Most people agree that money cannot be happiness. Why is happiness dificult to define? how can people achieve happiness?
Today more and more tourist are visiting places where conditions are dificult,such as sahara desert and Antarctic. What are the benefits and disadvantges for tourists who visit such places.Give reasons for your answer includeing any relevent examples from your own knowledge and experience.
it is dificult for people in cities to get enough physical excercise. What are the causes and solutions?