四級考試是許多童鞋必須通過的考試，其重要程度不言而喻。希望通過四級聽力天天練，童鞋們可以提高聽力水平，高分通過四級，沖刺六級。
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Europa

聽力原文：
Passage One
____1____ Until recently, scientists believed that life on other planets was just a hopeful dream. But now they are beginning to locate places where life could form. In 1997, they saw evidence of planets near other stars like the sun. But scientists now think that life could be even nearer in our own solar system. One place scientists are studying very closely is Europa, a moon of Jupiter. ____2____ The probes have also made scientists think that under its surface, Europa has a rocky core giving off volcanic heat. Water and heat from volcanic activity are two basic conditions needed for life to form. A third is certain basic chemicals such as carbon, oxygen and nitrogen. Scientists believe there might be such chemicals lying at the bottom of Europa's ocean. They may have already created life, or may be about to. You may wonder if light is also needed for life to form. Until recently, scientists thought that light was essential. ____3____ And bacteria, primitive forms of life, have been seen there. So the lack of light in Europa's sub-surface ocean doesn't automatically rule out life forming.

Passage Two
In her early days as an emergency room physician, Dr. Joanna Meyer treated a child who had suffered a second-degree burn. After the child had been treated and was being prepared for discharge, Dr. Meyer talked to the parents about how they should care for the child at home. Also listening to her were a half a dozen other family members. ____4____ "As I talked to them, I was amazed." she said, "All of them had heard the simple instructions I had given just a few hours before, but they had three or four different versions. The most basic details were unclear and confusing. I was surprised, because these were intelligent people." This episode gave Dr. Meyer her first clue to something every doctor. learns sooner or later-most people just don't listen very well. ____5____ She asks them to tell her what they think they are supposed to do. She also provides take-home sheets which are computer printouts tailored to the patients' situation. Dr. Meyer's listeners are not unusual. ____6____ Oral communication is fast-moving and impermanent.


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Since early times, people have been fascinated with the idea of life existing somewhere else besides earth. Space probes have provided evidence that Europa has a large ocean under its surface. But now, places have been found on earth that are in total blackness, such as caves several miles beneath the surface. A few hours later, when she came to say goodbye, the family asked her to settle an argument they'd been having over exactly what advice she had given. Nowadays, she says, she repeats her instructions, and even conducts a reality check with some patients. When new or difficult material is presented, almost all listeners are faced with the challenge because human speech lacks the stability and permanence of the printed word.