English Skills with Readings 8th Edition by John Langan

تمرين 24

In each outline, cross out the items that do not support the opening point. These items must be omitted in order to achieve paragraph unity.
There are several ways to get better mileage in your car.
a. Check air pressure in tires regularly.
b. Drive at no more than fifty-five miles per hour.
c. Orange and yellow cars are the most visible.
d. Avoid jackrabbit starts at stop signs and traffic lights.
e. Always have duplicate ignition and trunk keys.