题目内容
【B5】, this spurt of suburban expansion does not alter the basic fact that the United States【B6】one of the most urban nations on the face of the earth. Census Bureau【B7】show that the【B8】population has been shrinking steadily since 1880. When the United States became a nation it had no large cities at all; today【B9】fifty cities have populations of more than 258,000. Mammoth complexes of cities are developing in the area of the East Coast and the east north central states, on the pacific and Gulf coasts, and near the shores of the Great Lakes. Some sociologists now regard the entire 600-mile stretch between Boston and Washington, D.C.—an area holding a fifth of the country's population—【B10】one vast city or, as they call it, megalopolis.
【B1】
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Section B
Directions: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. The dialogues and questions will be spoken two times. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D.
听力原文：M: John was half an hour late for work this morning.
W: But it's nothing new for him.
Q: What can we learn about John？
(11)
节点板与柱子采用双面角焊缝连接，hf=8mm，焊缝长度ι1=______mm。
SECTION B PASSAGES
Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow.
听力原文： The beat generation mainly referred to the youth who were born and brought up around the Second World War. They showed their disdain for almost everything traditional, such as government authority, respect for parents, one's duty, moral standards, and traditional customs. They developed a kind of absolute individualism and liberty. They preferred long hair, mini-dresses or close-fitting clothes to show off tile figure. They advocated freedom of sex and cohabitation. Their influence could be seen from the fact that about one third of the American couples living together were not married by law. And the divorce rate was very high. The endless U. S wars abroad and sharp class struggle at home caused many American youths to develop a kind of cynicism. They doubted the existing social system, possibility of harmonious human relations, and the long-honored standard for correct behavior. They felt society overlook their needs. Therefore, they refused to do any duty that was required of them by society. They declared "Don't believe anyone over thirty". All this came from the sick society. It's wrong to imagine they all fought against capitalism in support of revolutionary things. Some of their ideas were even more decadent and impractical. It was an abnormal phenomenon in an abnormal society.
Based on the passage, how many of one hundred and twenty American couples of the beat generation practiced cohabitation？
暂准进口制度是一种海关业务制度，按照该项制度，某些货物(包括运输工具)在运人关境时，可以有条件地免纳进口关税和国内税，但应受政治和经济性质的进口禁止和限制。暂准进口货物在特定的期限内除因在使用中正常损耗者外，必须按原状复出口。 ()
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