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Teachers need to be aware of the emotional, intellectual, and physical changes that young adults experience. And they also need to give serious (31) to how they can best (32) such changes. Growing bodies need movement and (33) , but not just in ways that emphasize competition. (34) they are adjusting to their new bodies and a whole host of new intellectual and emotional challenges, teenagers are especially self-conscious and need the (35) that comes from achieving success and knowing that their accomplishments are (36) by others. However, the typical teenage lifestyle is already filled with so much competition that it would be (37) to plan activities in which there are more winners than losers, (38) publishing newsletters with many student-written book reviews, (39) student artwork, and sponsoring book discussion clubs. A variety of small clubs can provide (40) opportunities for leadership, as well as for practice in successful (41) dynamics. Making friends is extremely important to teenagers, and many shy students need the (42) of some kind of organization with a supportive adult (43) l visible in the background. In these activities, it is important to remember that young teens have (44) attention spans. A variety of activities should be organized (45) participants can remain active as long as they want and then go on to (46) else without feeling guilty and without letting the other participants (47) . This does not mean that adults must accept irresponsibility. (48) they can help students acquire a sense of commitment by (49) for roles that are within their (50) and their attention spans and by having clearly stated rules.
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Questions 18 to 20 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now, listen to the passage. Which of the following is the reason for people’s dissatisfaction with traditional banks
Virtually everything astronomers known about objects outside the solar system is based on the detection of photons-quanta of electromagnetic radiation. Yet there is another form of radiation that permeates the universe: neutrinos (中微子 ). With (as its name implies) no electric charge, and negligible mass, the neutrino interacts with other particles so rarely that a neutrino can cross the entire universe, even traversing substantial aggregations of matter, without being absorbed or even deflected. Neutrinos can thus escape from regions of space where light and other kinds of electromagnetic radiation are blocked by matter. Furthermore, neutrinos carry with them information about the site and circumstances of their production: therefore, the detection of cosmic neutrinos could provide new information about a wide variety of cosmic phenomena and about the history of the universe. But how can scientists detect a particle that interacts so infrequently with other matter Twenty-five years passed between Pauli’s hypothesis that the neutrino existed and its actual detection: since then vh-tually all research with neutrinos has been with neutrinos created artificially in large particle accelerators and studied under neutrino microscopes. But a neutrino telescope, capable of detecting cosmic neutrinos, is difficult to construct. No apparatus can detect neutrinos unless it is extremely massive, because great mass is synonymous with huge numbers of nucleons (neutrons and protons), and the more massive the detector, the greater the probability of one of its nucleon’s reacting with a neutrino. In addition, the apparatus must be sufficiently shielded from the interfering effects of other particles. Fortunately, a group of astrophysicists has proposed a means of detecting cosmic neutrinos by harnessing the mass of the ocean. Named DUMAND, for Deep Underwater Muon and Neutrino Detector, the project calls for placing an array of light .sefisors at a depth of five kilometers under the ocean surface. The detecting medium is the seawater itself: when a neutrino interacts with a particle in an atom of seawater, the result is a cascade of electrically charged particles and a flash of light that can be detected by the sensors. The five kilometers of seawater above the sensors will shield them from the interfering effects of other high-energy particles raining down through the atmosphere. The strongest motivation for the DUMAND project is that it will exploit an important source of information about the universe. The extension of astronomy from visible light to radio waves to x-rays and gamma rays never failed to lead to the discovery of unusual objects such as radio galaxies, quasars (类星体), and pulsars (脉冲星). Each of these discoveries came as a surprise. Neutrino astronomy will doubtless bring its own share of surprises. Which might be the most appropriate title of the passage
Questions 4 to 6 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. Now, listen to the conversation. Why do the man and woman want to talk to Mr. Simpson
Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now, listen to the passage. Most dead bodies in Athens are dug up after three years to
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