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自考英语讲座(上) 第48讲:Solving problems Scien
Lesson TEN (B) TEXT B Solving problems Scientifically There are scientific ways in which man solves problems. once his curiosity has been aroused, he uses certain methods and procedures to obtain n2008-02-01 编辑：alex 标签：
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自考英语讲座(上) 第47讲:opinions Based on
New ideas are frequently very slow to be accepted. Scientists such as Galileo, Louis pasteur, and Edward Jenner were laughed at because they held theories that were not accepted. Respect for new ide2008-02-01 编辑：alex 标签：
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自考英语讲座(上) 第46讲:Belief in Cause a
Benjamin Frankin wondered about(at) lightning. He combined his curiosity with imagination and carried out his well-known experiment to show that lightning and an electric spark are the same thing. Cu2008-02-01 编辑：alex 标签： TBS新闻
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自考英语讲座(上) 第45讲:Scientific Attitudes
Lesson TEN TEXT A Scientific Attitudes Science had its beginning when man started asking questions about his environment. He wondered where the sun went at night and why the sky was blue. He ques2008-02-01 编辑：alex 标签： 听力
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自考英语讲座(上) 第44讲:Environmental protection
After all, those first two steps or approaches spark a stronger than usual interest in that dictionary definition. Youre now personally involved. Did you find out the word meaning? Your heightened i2008-02-01 编辑：alex 标签：
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自考英语讲座(上) 第43讲:How Should You Bu
LESSoN NINE (B) TEXT BHow Should You Build Up Your Vocabulary? Through Context When students in a college class were asked what should be done when they came across a new word in their reading, eigh2008-02-01 编辑：alex 标签：
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自考英语讲座(上) 第42讲:should start
Started 1. vp (were) 2. were to +v原 3. should+ v原 should start produce V product N production= out put Security system Mean to do Mean doing prefer A to B Clearly----obviously person----personalit2008-02-01 编辑：alex 标签：
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自考英语讲座(上) 第41讲:Be used to+N
（所发资料30页）2. As is known, light much faster than sound. A. traveled B. travels C. is traveling D. has traveled3. The teacher told the students that the earth around the sun. A. went B. goes C.2008-02-01 编辑：alex 标签：
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自考英语讲座(上) 第40讲:Former
First, there are those words (with which we become familiar in ordinary conversation), which we learn，that is to say, from the members of our own family and from our friends, and which we should kno2008-02-01 编辑：alex 标签：
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自考英语讲座(上) 第39讲:Learned Words and
Diamonds, as they are found, do not look very impressive. They are gray, greasy-looking pebbles. Experienced diamond miners can tell(distinguish) a diamond immediately. But some people have carried2008-02-01 编辑：alex 标签：
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自考英语讲座(上) 第38讲:It is said eporte
Scientists know that the combination of extreme heat and pressure changes carbon into diamonds. Such heat and pressure exist only in the hot, liquid mass of molten rock deep inside the earth. It is t2008-02-01 编辑：alex 标签：
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自考英语讲座(上) 第37讲:Diamonds
Lesson Six Text A Diamonds Diamonds are rare, beautiful, and also quite useful. They are the hardest substance found in nature. That means a diamond can cut any other surface. And only another diamo2008-02-01 编辑：alex 标签：
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自考英语讲座(上) 第36讲:Without air, there&nbs
Without air, there would be no fire. There would be no cars or trucks, since motors need air in order to work. Without air, there would be no wind or clouds. There would be no weather, as we know it.2008-02-01 编辑：alex 标签：
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自考英语讲座(上) 第35讲:What people Dont
Most of them travel 40,000 miles to a satellite and then back to earth. Ten years ago, a satellite was capable of receiving and transmitting more than 33,000 telephone conversations simultaneously. N2008-02-01 编辑：alex 标签：
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自考英语讲座(上) 第34讲:Telecommunication via
Lesson EIGHT TEXT Telecommunication via Satellite At the beginning of the twentieth century, there were four powerful means of transmitting and receiving information over long distances: print, p2008-02-01 编辑：alex 标签：
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