题目内容
（请给出正确答案）
In the (nineteenth) century, people (lived in) the northern area grew (their) crops on river (bottom lands).
A．nineteenth
B．lived in
C．their
D．bottom lands
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更多“In the （nineteenth) century, p…”相关的问题
(The metal) aluminum (has been) (first) isolated (early) in the nineteenth century.
A．The metal
B．has been
C．first
D．early
A．have witnessed
B．was witnessed
C．witnessed
D．is witnessed
the steady improvement in the means of travel.
A) has witnessed B) was witnessed C) witnessed D) is witnessed
A.they connected important industrial cities
B.they were necessary to the industrialization process
C.they were expanded in a short time
D.they used relatively small quantities of natural resources
A．emigrated to other countries
B．often settled in the West
C．tended to change the place in which they lived
D．had a higher rate of birth than ever before
A．IN the early nineteenth century
B．More than 150 years ago
C．After the 1890's
D．In the mid-eighteenth century
Although the birth rate continued to, decline from its high level of the eighteenth and early nineteenth centuries, the population roughly doubled every generation during the rest of the nineteenth century. As the population grew, its makeup also changed. Massive waves of immigration brought new ethnic groups into the country. Geographic and social mobility—downward as well as upward—touched almost everyone. Local studies indicate that nearly three-quarters of the population in the North and South, in the emerging cities of the Northeast, and in the restless rural counties of the West changed their residence each decade. As a consequence, historian David Donald has written, "Social atomization affected every segment of society", and it seemed to many people that "all the recognized values of orderly civilization were gradually being eroded."
Rapid industrialization and increased geographic mobility in the nineteenth century had special implications for women because these changes tended to magnify social distinctions. As the roles men and women played in society became more rigidly defined, so did the roles they played in the home. In the context of extreme competitiveness and dizzying social change, the household lost many of its earlier functions and the home came to serve as a haven of tranquility and order. As the size of families decreased, the roles of husband and wife became more clearly differentiated than ever before. In the middle class especially, men participated in the productive economy while women ruled the home and served as the custodians of civility and culture. The intimacy of marriage that was common in earlier periods was rent, and a gulf that at times seemed unbridgeable was created between husbands and wives.
What does the passage mainly discuss？______
A．The economic development of the United States in the eighteenth century
B．Ways in which economic development led to social changes in the United States
C．Population growth in the western United States
D．The increasing availability of industrial jobs for women in the Unites States
