中考英语听力：儿童肥胖
Maintaining a healthy weight in childhood can prevent many health-related problems later in life. 在儿童时期，保持健康体重能够预防未来疾病风险。
Childhood obesity is stabilizing and may be decreasing in New York City and Los Angeles County.
目前，儿童肥胖状况稳定，纽约和洛杉矶的肥胖人口正在减少。
One possible reason is the effectiveness of local public health efforts that promote regular physical activity, a healthy diet, breastfeeding among new mothers, and decreased TV time.
原因之一有可能是当地公共卫生机构加强了宣传力度，增强体育锻炼、维持健康饮食、坚持哺乳，减少电视时间。
Parents engage in physical activity with your children as early as possible and serve meals and snacks that include lots of fruits, vegetables, lean meat, and low-fat milk.
父母应该尽早与孩子进行体育锻炼，食用包括水果、蔬菜、瘦肉以及低脂肪牛奶在内的餐饮和小吃。
1.physical activity 体育活动
例句：Most of us do a lot of work on the computer, so doing some kind of physical activity for 10 or 15 minutes can be a great way to change our state.
我们大多数人做了大量工作的电脑上，做10到15分钟的身体活动的可以某种程度成为一个伟大的方式改变我们的状态。
2.healthy diet 健康饮食
例句：You should follow a healthy diet that you like and that you can stick to.
你应该选择一种健康的饮食习惯，而且是你所喜欢和能够坚持的。
3.childhood obesity 儿童肥胖
例句：WHO recognizes that the increasing preva lence of childhood obesity results from changes in society.
中考英语听力：降了温的笔记本
His laptop sat on his desk. His laptop always overheated. It always overheated quickly. How could he keep it cool? He turned on his living room fan. It cooled his laptop. But the fan blew dust around. It blew paper around. He turned off his living room fan. He thought. He thought some more. How could he keep his laptop cool? He had an idea. He bought little plastic blocks. Each block was one inch square. He put the laptop on top of the blocks. One block was under each corner of the laptop. Now the laptop sat a little above the desk. There was space under the laptop. There was space for cool air to flow. The cool air prevented overheating.
初三英语听力：鸟类并不笨头笨脑
Neuroscientists' opinions about the brains of birdshave changed.
神经系统科学家关于鸟类大脑的传统观念发生了转变。
In humans and other mammals,the roof of theforebrain has evolved into the cerebral cortex, astructure responsible for flexiblelearning andreasoning.
人类和其他哺乳动物的前脑顶层已经进化为大脑皮层，这一结构主管弹性学习和推理能力。
Early neuroanatomists thought that the forebrainroof was small and simple in birds, with itsforebraininstead being dominated by structures in its base, called the basal ganglia.
早期的神经系统科学家认为鸟类的前脑顶层在大脑中面积小，构造简单，且并非由大脑基底部名为基底神经节的结构组成。
Without anelaborate forebrain roof, it seemed that birds couldn't be very smart.
因此，鸟类并不拥有复杂精妙的前脑顶层，这似乎决定了鸟类智商有限。
Recent research shows that birds are a lot smarter than scientists once thought.
最近的研究表明鸟类要比科学家想象的聪明得多。
To give just afew examples, the New Caledonian crow can manufacture and use tools.
例如，新喀里多尼亚乌鸦会制作和使用工具。
The African grey parrotcan learn to classify objects into categories, and the Florida scrub jaystores food in dozens ofcaches and can remember their locations for future use.
非洲灰鹦鹉能学会对东西进行分类，佛罗里达灌丛鸦会将食物存储在不同的地方，并且能记住位置，以备将来之需。
It turns out that neuroanatomists had it all wrong about bird forebrains.
结果是神经解剖学家 对鸟类前脑的研究完全错误。
During more than 300 million years of separate evolution, the forebrain roofs of birds and ofmammals each grew largerand more elaborate, but in different ways.
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