There are four passages in this Section. Each passage is followed by five questions. Read each passage carefully and answer the questions that follow. For each question, four probable answers as (A), (B), (C) and (D) are given. Only one out of these is correct. Choose the correct answer.
To be fit and healthy, you need to be physically active. Regular physical activity protects you from serious diseases such as obesity, heart disease, cancer, mental illness, diabetes and arthritis. Riding a bicycle regularly is one of the best ways to reduce your risk of health problems associated with a sedentary lifestyle. Cycling is a healthy. low --impact exercise that can be enjoyed by people of all ages. from young children to older adults. It is also fun, cheap and good for the environment. Riding to work or the shop is one of the most time - efficient ways to combine regular exercise with everyday routine. An estimated one billion people ride bicycles everyday- for transport, recreation and sport. Cycling is a good wya to reduce weight as it builds muscle and burns body fat. Research suggests that by cycling for half an hour everyday we can shed at least five kilos of weight in a year.
A low-impact exercise is one which is:

Options

A. not tiring
B. not costly
C. not efficient
D. not boring

Answer

B