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I'm taking a test and have to guess the right answer to the question after the article. Article: Anyone can try to lead a group, but not every individual is cut out for leadership. The better leaders possess a few qualities that can mean the difference between the success and failure of the group. These aret he qualities the leader of higher rank will look for when choosing a leader for a group, or when evaluating the performance of a leader. They're also the qualities team members want in a group leader, and appreciate when they find them. Take Responsibility Group leaders might share tasks around a group as necessary, but eventually a group leader needs to be able to accept that responsibility lies on her shoulders. That means that if things go wrong in a group project, she's the one who must accept the consequences and work out what mistakes were made. The group leader won't always have the power to control everything group members do, but she should be ready to admit any mistakes the group has made as a result of her leadership. Concern for Members The group leader has a commitment to the task or project at hand, but perhaps more importantly, he has a real concern for each and every person who is part of his group. This means getting to know the strengths, weaknesses and goals of team members, as well as making time to build the group through collective activities. The group leader should make sure that everyone is included, even if an individual is new to a group. Good Listener The group leader needs to be able to listen to the suggestions, complaints and ideas of group members. Not only will this allow complaints to be addressed and potentially suitable ideas to be put into practice, but a leader who listens will also encourage group members to share their concerns and thoughts,creating an atmosphere of free speech and productivity. Question: According to "Concerns for members", which of the following is a good quality of a leader? Options: A: fair B: reliable C: determined D: generous
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A

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I'm taking a test and have to guess the right answer to the question after the article. Article: Human cloning technology could be used to reserve heart attacks. Scientists believe that they may be able to treat heart attack by cloning their healthy heart cells and injecting them into the areas of the heart that have been damaged, and other problems may be solved if human cloning and its technology are not forbidden. With cloning, _ couples could have children. Current treatments for infertility, in terms of percentages, are not very successful. Couples go through physical and emotionally painful procedures for a small chance of having children. Many couples run out of time and money without successfully having children. Human cloning could make it possible for many more infertile couples to have children than ever before. We should be able to clone the bone marrow for children and adults suffering from leukemia . This is expected to be one of the first benefits to come from cloning technology. We may learn how to switch cells on and off through cloning and thus be able to cure cancer. Cloning technology can be used to test for and perhaps cure gene-related diseases. The above is just a few examples of what human cloning technology can do for mankind. This new technology promises unprecedented advancement in medicine if people will release their fears and let the benefit begin. Question: According to the writer, the main problem with the development of human cloning technology is that _ . Options: A: it has brought about benefits so far B: it may be out of human control C: people still know little about it D: people are afraid of such technology
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D

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I'm taking a test and have to guess the right answer to the question after the article. Article: Last week, we explained that the planet Mars has passed "opposition. "It passed a point opposite the Sun. This week, we tell about the planet's surprising motion among the stars. For thousands of years, people have recognized that planets travel among the stars. The planets generally follow the path taken by the Sun through the sky. The Sun's path is called the ecliptic. The groups of stars along the ecliptic are called the Zodiac. The motion of the planets can be confusing at times. Everyone knows the Sun rises in the east and sets in the west. But this is caused by the turning motion of the Earth. Planets generally move from west to east. However, Mars will appear to move backward for about two months this year. This happens because the Earth is overtaking Mars on its way around the Sun. Mars began its backward, or westward, motion on May 11th, It will start moving eastward again on July 19th. Mars' apparent motion has been a mystery to astronomers for hundreds of years. Most early theories of the solar system argued that the Sun and planets turned around the Earth. But the sudden westward motion of Mars presented a problem. Why would Mars move west for two months when it nears "opposition"? In 1543, a Polish church worker named Nicolas Copernicus published a different theory. His theory said the Earth and planets moved around the Sun in perfectly circular orbits. Copernicus' theory was simpler. But his Sun - centered system still did not explain the observed motion of Mars very well. Finally, a German mathematician named Johannes Kepler published a complete theory of the motion of the planets in 1619. He had carefully studied the motion of Mars for many years. Johannes Kepler discovered that the planets do not move in circular orbits around the sun. Instead, they travel in flattened orbits called ellipses. Mars' elliptical orbit is the cause of its unusual brightening this year and its apparent large size. During the next several weeks, you can see for yourself why the mysterious motion of Mars has... Question: Why does Mars appear to be bigger and brighter when it passes "opposition"? Options: A: It is overtaking the earth. B: It follows the path of the sun. C: It moves in an elliptical orbit. D: It travels in a circular orbit.
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C