Choose one from the following two topics and write a report or an essay as required: Old people are facing a series of troubles, such as mandatory retirement, economic problems, health problems, etc. Which do you believe troubles them the most? Please do some (online) research work and write a report (including current situation, causes, and solution or suggestions). Write a comparison and/or contrast essay on : Online Learning and Classroom Learning . You are supposed to l Identify similarities/differences l Organize the information efficiently, and l Use appropriate transitions developing it into an essay of good unity and coherence with enough evidence or support .