题型：任务型阅读 题类：真题 难易度：困难
2016年高考英语真题试卷（北京卷）
The Science of Risk-Seeking
Sometimes we decide that a little unnecessary danger is worth it because when we weigh the risk and the reward, the risk seems worth taking. Some of us enjoy activities that would surprise and scare the rest of us. Why? Experts say it may have to do with how our brains work.
The reason why any of us take any risks at all might have to do with early humans. Risk-takers were better at hunting, fighting, orexploring. As the quality of Risk-taking was passed from on ration to the next, humans ended up with a sense of adventure and a tolerance for risk.
So why aren't we all jumping out of airplanes then? Well, even 200,000 years ago, too much risk-taking could get one Killed. A few daring survived, though,along with a few stay-in-the-cave types. As a result, humans developed a range of character types that still exists today. So maybe youlove car racing, or maybe you hate it.
No matter where you are on the risk-seeking range,scientists say that your willingness to take risks increases during your teenage years. Tohelp you do that, your brain increases your hunger for new experiences.
New experiences often mean taking some risks, so your brain raises your tolerance for risk as well.
Mean taking some risks, so your brain raisers your tolerance for risk as well.
For the risk-seekers a partof the brain related to pleasure becomes active, while for the rest of us, a part of the brain related to fear becomes active.
As experts continueto study the science of risk-seeking, we'll continue to hit the mountains, the waves or the shallow end of the pool.
A. It all depends on your character.
B. Those are the risks you shouldjump to take.
C. Being better at those thingsmeant a greater chance of survival.
D. Thus, these well-equipped people survived becausethey were the fittest.
E. This is when you start to move away from your family and into thebigger world.
F. However, we are not all using the same reference standard to weighrisks and rewards.
G. New brain research suggests our brains work differently when weface a nervous situation.
The main cause of death and disability in the US
Stroke (中风) is the main cause of death and disability in the United States. Every 45 seconds, someone in America has a stroke. {#blank#}1{#/blank#} It is the nation's third leading cause of death, ranking behind diseases of the heart and all forms of cancer. The following is something more about stroke.
Definition and description of a stroke
Stroke is a type of cardiovascular disease. It affects the arteries(动脉) leading to and within the brain. A stroke occurs when a blood vessel（血管） that carries oxygen and nutrients to the brain is either blocked by a clot or bursts. {#blank#}2{#/blank#} So stroke forms.
{#blank#}3{#/blank#}
The American Stroke Association has identified several factors (因素) that increase the risk of stroke. The more risk factors a person has, the greater the chance that he or she will have a stroke. Some of these you can't control, such as increasing age, family health history, race, and previous stroke. {#blank#}4{#/blank#} Factors resulting from lifestyle or environment can be improved with a healthcare provider's help.
Breakthroughs in treatment
{#blank#}5{#/blank#} In fact, about 600,000 people have strokes every year. For many years, there was no hope for those suffering a stroke. However, recent breakthroughs have led to new treatments. For the treatments to work, the person must get to a hospital immediately.
A. Risk factors of a stroke. B .Warning signs of a stroke. C. Every 3.1 minutes, someone dies of one. D. A stroke can happen to anyone at any moment. E. But you can change or treat other risk factors to lower your risk. F. When that happens, part of the brain cannot get the blood and oxygen it needs. G .The more common kind of stroke is caused by a blood clot that blocks a blood vessel in the brain. |
试题篮
