2. 外语
  3. From a very early age, some children exhibit better self-control than others. Now, a new study has 【B1】______how low self-contro

From a very early age, some children exhibit better self-control than others. Now, a new study has 【B1】______how low self-contro

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问题     From a very early age, some children exhibit better self-control than others. Now, a new study has 【B1】______how low self-control can predict poor health, money troubles and even a【B2】______record in their adult years. Researchers in New Zealand followed 1 000 children for decades. They observed the level of self-control that the youngsters【B3】______. Parents and teachers scored the youngsters on measures like "acting before thinking" and "persistence in reaching goals. " Researchers explained that self-control problems weren’t just a【B4】______of a small group of misbehaving kids. The researchers also find that pre-schoolers could have【B5】______ more self-control training. They could have improved their financial situation and their physical and mental health situation 30 years later. Researchers said it’s still【B6】______ why some children have better self-control than others, though other researchers have found that it’s mostly a learned behavior, with【B7】______little genetic influence. But good self-control can run in families because children with good self-control are more likely to【B8】______ to be healthy and prosperous parents. So it looks as though self-control is something that in one generation can【B9】______the next generation. Some of the low self-control study members are more likely to be single parents with a very low income, which is not a good 【B10】______for a child. But the good news is that self-control can be taught by parents, and through school curricula that have been shown to be effective.
【B1】
选项
答案tracked
解析 空格所在句子的主语是a new study，由此可知，空格处应填入一个动词的过去分词与has一起作谓语部分。结合录音可知，答案为tracked，意为“追踪，跟踪”。
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大学英语四级

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