Trả lời: Mass tourism is a form of tourism that involves tens of thousands of people going to the same place often at the same time of year. It is the most (29) popular form of tourism as it is often the cheapest way to go on holiday and it (30) attracts many people every year. This kind of...
Trả lời: 35. What's the main idea of the text?A. The importance of forests and solutions to deforestationB. The importance of forests and the problem of deforestationC. The causes and effects of deforestationD. The causes of and solutions...