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听力原文： When Midori was two years old, she often climbed onto the piano bench and reached for the violin that belonged to her mother, a 38-year-old professional musician. "Please don't touch, Midori," her mother scolded. The violin was, after all, worth more than 20, 000 dollars. But Midori persisted. She longed to handle the graceful instrument that made beautiful sounds. Finally, on her third birthday, Midori was handed a package, a tiny violin, about half the normal size. Almost from the moment Midori was born, her mother knew she was sensitive to music. For several years mother and daughter practised together day after day. She was eager to learn. Failure often led to tears, though, she never once turned from the instrument. Instead, She persisted till the problem was overcome. One day, Johnson, an American musician; heard Midori play the violin. He couldn't believe she was just eight years old. "She must make a tape and I will take it to the United States, "the American musician said. A famous American violin teacher heard the tape. He, too, had difficulty believing his ears. The playing was absolutely astonishing. He immediately accepted her as a pupil and recommended her for full scholarship. In 1982, Midori and her mother moved to New York City, leaving behind a comfortable life in Japan.
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A．To go to the United States.B．To apply for a scholarship.C．To play the piano once aga
A．Because the violin was too expensive.B．Because the violin was too big for her.C．Beca
A．Better than other punishment.B．Humanism.C．Benefit society.D．Can mot off guilty
The truly incompetent may never know the depths of their own incompetence, a pair of social psychologists said on Thursday.
"We found again and again that people who perform. poorly relative to their peers tended to think that they did rather well," Justin Kruger, co-author of a study on the subject, said in a telephone interview.
Kruger and co-author David Dunning found that when it came to a variety of skills—logical reasoning, grammar, even sense of humor—people who essentially were inept never realized it, while those who had some ability were self-critical.
It had little to do with innate modesty, Kruger said, but rather with a central paradox: Incompetents lack the basic skills to evaluate their performance realistically. Once they get those skills, they know where they stand, even if that is at the bottom.
Americans and Western Europeans especially had an unrealistically sunny assessment of their own capabilities, Dunning said by telephone in a separate interview, while Japanese and Koreans tended to give a reasonable assessment of their performance. In certain areas, such as athletic performance, which can be easily quantified, there is less self-delusion, the researchers said. But even in some cases in which the failure should seem obvious, the perpetrator is blithely unaware of the problem.
This was especially tree in the area of logical reasoning, where research subjects—students at Cornell University, where the two researchers were based—often rated themselves highly even when they flubbed all questions in a reasoning test.
Later, when the students were instructed in logical reasoning, they scored better on a test but rated themselves lower, having learned what constituted competence in this area.
Grammar was another area in which objective knowledge was helpful in determining competence, but the more subjective area of humor posed different challenges, the researchers said.
Participants were asked to rate how funny certain jokes were, and compare their responses with what an expert panel of comedians thought. On average, participants overestimated their sense of humor by about 16 percentage points.
This might be thought of as the "above-average effect", the notion that most Americans would rate themselves as above average, a statistical impossibility.
The researchers also conducted pilot studies of doctors and gun enthusiasts. The doctors overestimated how well they had performed on a test of medical diagnoses and the gun fanciers thought they knew more than they actually did about gun safety.
So who should be trusted: The person who admits incompetence or the one who shows confidence？ Neither, according to Dunning. "You can't take them at their word. You've got to take a look at their performance," Dunning added.
Incompetent people rarely know the depths of their own incompetence because they ______.
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