6、When it comes to education，the majority of people believe that education is a lifetime study.
7、Many experts point out that physical exercise contributes directly to a person's physical fitness.
8、Proper measures must be taken to limit the number of foreign tourists and the great efforts should be made to protect local environment and history from the harmful effects of international tourism.
9、An increasing number of experts believe that migrants will exert positive effects on construction of city. However，this opinion is now being questioned by more and more city residents，who complain that the migrants have brought many serious problems like crime and prostitution.
10、Many city residents complain that it is so few buses in their city that they have to spend much more time waiting for a bus，which is usually crowded with a large number of passengers.