21.Which of the following aspects of North America in the eighteenth century does the passage mainly discuss?

(A)The effects of war on the growth of cities

(B)The growth and influence of cities

(C)The decline of farming in areas surrounding cities

(D)The causes of immigration to cities

22.Why does the author say that "the cities had a disproportionate influence on the development of North America "lines1-2"?

(A)The influence of the cities was mostly negative

(B)The populations of the cities were small,but their influence was great.

(C)The cities were growing at a great rate.

(D)Most people pretended to live in cities

23.The phrase "in place of "in line 5is closest in meaning to

(A)connected to

(B)in addition to

(C)because of

(D)instead of

24.The word "attendant"in line 6is closest in meaning to

(A)avoidable

(B)accompanying

(C)unwelcome

(D)unexpected

25.Which of the following is mentioned as an element of modern capitalism?

(A)Open competition

(B)Social deference

(C)Social hierarchy

(D)Independent craftspeople

26.It can be inferred that in comparison with North American cities,cities in Europe,the Middle East,and China had

(A)large populations

(B)little independence

(C)frequent social disorder

(D)few power sources

27.The phrase "exponential leaps"in line 12is closest in meaning to

(A)long wars

(B)new laws

(C)rapid increases

(D)exciting changes

28.The word "it"in line 15refers to

(A)population

(B)size

(C)Boston

(D)Year

29.How many immigrants arrived in North America between 1760and 1775?

(A)About 16,000

(B)About 25,000

(C)About 30,000

(D)More than 200,000

30.The word "dictated"in line 18is closest in meaning to

(A)spoiled

(B)reduced

(C)determined

(D)divided

31.The word "virtually"in line20is closest in meaning to

(A)usually

(B)hardly

(C)very quickly

(D)almost completely