Usually people can’t feel the change of the society. From generation to generation we live in the same frame of family and structure and society. But as a matter of fact, the change of the society is changing rapidly. People in the United States in the nineteenth century were haunted by the prospect that unprecedented change in the nation’s economy would bring social chaos. In the years following 1820, after several decades of relative stability, the economy entered a period of sustained and extremely rapid growth that continued to the end of the nineteenth century. Accompanying that growth was a structural change that featured increasing economic diversification and a gradual shift in the nation’s labor force from agriculture to manufacturing and other nonagricultural pursuits.
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
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
Text 3
Most young people enjoy some form of physical activity. It may be walking, cycling or swimming, or in winter, skating or skiing; it may be a game of some kind: football, hockey, golf, or tennis; it may be mountaineering.
Those who have a passion for climbing high and difficult mountains are often looked upon with astonishment. Why are men and women willing to suffer cold and hardship, and to take risks on high mountains This astonishment is caused probably by the difference between mountaineering and other forms of activity to which men give their leisure.
Mountaineering is a sport and not a game. There are no man - made rules, as there are for such games as golf and football. There are, of course, rules of a different kind which it would be dangerous to ignore, but it is this freedom from man- made rules that makes mountaineering attractive to many people. Those who climb mountains are free to use their own methods.
If we compare mou
A. Mountaineers compete against each other.
B. Mountaineers compete against other teams.
C. Mountaineers compete against nature.
D. Mountaineers compete against international standard.
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