[ A ] are yet to be proved [ B ] are to be further studied
[ C ] are supported by scientific evidence [ D ] are self-evident
50. Which of the following would be the best TITLE for the passage?
[ A] Different Forms of Exercise.
[B] Exercise-The Road to Health.
[C] Scientific Evidence of Health Benefits.
[ D ] Running-A Popular Form of Sport.
Text 2
The world is known to us through many senses not just hearing, smell, vision and at close
range, touch, and taste.
51. From the passage we realise that _________.