Having enough reason to support your choice is essential in TOEFL writing. Here I listed some good reasons for a point as a sample. ( more will be added here)
50. Library: Computer V.S. Books Computer: For: 1) Efficiency 2) Large storage capacity 3) Multimedia attraction 4) Management 5) Sharing information 6) Network or Internet 7) Rapid updating Against: 1) Harmful Radiation 2) Need basic knowledge to operate 3) Not easy to carry 4) Need consumption of energy.
Books: For: 1) Traditional medium 2) Easy to carry 3) Conveniently read 4) Price per copy is more affordable 5) index of academic environment
Against: 1) Not durable 2) Low rate of updating 3) Can't be shared by any people
49 University: library V.S. Physical training facilities Library: For: 1) Major goal to impart knowledge to students 2) Index of academic environment 3) Attract more excellent professors
Physical Training: 1) Help to improve one's health which is basis of study 2) Students learn to be cooperative 3) Provide relaxation 4) May produce good athletes