24.It can be inferred that railroad refrigerator cars came into use

(A)before 1860

(B)before 1890

(C)after 1900

(D)after 1920

25.The word "them"in line 14refers to

(A)refrigerator cars

(B)perishables

(C)growers

(D)distances

26.The word "fixture"in line 20is closest in meaning to

(A)luxury item

(B)substance

(C)commonplace object

(D)mechanical device

27.The author implies that in the 1920's and 1930's home deliveries of ice

(A)decreased in number

(B)were on an irregular schedule

(C)increased in cost

(D)occurred only in the summer.

28.The word "Nevertheless"in line 24is closest in meaning to

(A)therefore

(B)because

(C)occasionally

(D)however

29.Which of the following types of food preservation was NOT mentioned in the passage?

(A)Drying

(B)Canning

(C)Cold storage

(D)Chemical additives.