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目前我国必须使用注册商标的商品只有烟草制品。（）
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世界海拔最高线路最长的高原铁路——青藏铁路2006年7月1日全线建成通车。青藏铁路(西宁——拉萨)全长（）公里，全路有（）公里线路位于4000米以上高海拔地区。
A．To take a walk.B．To read a funny story.C．To talk with her friends.D．A and B.
Section B
Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.
听力原文： To the best of my knowledge, all my aunts, uncles and grandparents spent most of their lives within thirty miles of Troy, Pennsylvania. They were farmers, horse traders, merchants, and postmen. As a boy, I believe I knew everyone living within four miles of our farm. And I guess Dad knew just about everyone in the country. He enjoyed talking. We met people at suppers on Saturday nights. Today a number of my relatives still live near Troy, but several of my cousins, my nieces, my brother and my sister are scattered in many states. The nearest relative to my home in New Canaan, Connecticut, is a niece who lives about a hundred and ten miles away. My two sons live in Wisconsin and Pennsylvania; my mother-in-law, until her recent death, lived much of the time in Florida. When my wife Virginia and I moved to New Canaan twenty-four years ago, it was a semi-rural town and I soon knew most of the people living within a mile of us. In recent years almost all the old neighbors have moved and many dozens of new houses have sprung up near us. Today I wouldn't even recognize half of the people living within five hundred yards of our house. Virginia and I feel increasingly isolated. Personal isolation is becoming a major social fact of our time.
(27)
听力原文： What will man be like in the future--in 5,000 or even 50,000 years from now.'？ We can only make a guess, of course, but we can be sure that he will be different from what he is today. For man is slowly changing all the time. Let us take an obvious example. Man, even five hundred years ago, was shorter than he is today. Now, on average, men are about three inches taller. Five hundred years is a relatively short period of time, so we may assume that man will continue to grow taller. Again, in the modern world we use our brains a great deal. Even so, we still make use of only about 20% of the brain's capacity. As time goes on, however, we shall have to use our brains more and more--and eventually we shall need larger ones! This is likely to bring about a physical change too: the head, in particular the forehead, will grow larger. Nowadays our eyes are in constant use. In fact, we use them so much that very often they become weaker and we have to wear glasses. But over a very long period of time it is likely that man's eyes will grow stronger. On the other hand, we tend to make less use of our arms and legs. These, as a result, are likely to grow weaker. At the same time, however, our fingers will grow more sensitive because they are used a great deal in modem life.
(30)
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