题型:阅读理解 题类:常考题 难易度:普通
安徽省淮北市第一中学2017-2018学年高二上册英语期中考试试卷
Light travels at a speed which is about a million times faster than the speed of sound. In one second, light travels about 300,000 km, but sound travels only 344m. You can get some idea of this difference by watching the start of a race. If you stand some distance away from the Starter, you can see smoke come from his gun before the sound reaches your ears.
This great speed of light produces some strange facts. Sunlight takes about 8 minutes to reach us. If you look at the light of the moon tonight, remember that the light rays (光线) left the moon 1.3 seconds before they reached you. The nearest star is so far away that the light which you can see from it tonight started to travel towards you four years ago at a speed of nearly 2 million km per minute. In some cases the light from one of tonight's stars started on its journey to you before you were born.
Thus, if we want to be honest, we cannot say “The stars are shinning tonight.” We have to say, “The stars look pretty. They were shining four years ago but their light has only just reached Earth.”
Harvard University health policy researcher Ellen Meara says scholars have found some clues as to why some groups of people have more or less disease than others. She says one important factor in people's health is the amount of education they have.
In her most recent paper, Meara looked at data from the United States census(人口普查). These counts of people occur every 10 years. Meara and her colleagues examined data from several decades.
Meara says they found that in 1990, a 25-year-old who only had some secondary school could expect to live for a total of 75 years. In 2000, a 25 year old with some secondary education could also expect to live to the age of 75.
In contrast, for a better educated 25-year-old, they could expect to live to the age of 80 in 1990. Someone with a similar education level in the year 2000 could expect to live to be more than 81 years, 81.6 years to be exact.
Meara says, not only do better-educated people live longer to begin with, but in the past ten years, more educated people have made gains in the length of their lives. Meanwhile, the life expectancy hasn't changed for less educated people.
Some of these gains can be explained. Meara says researchers know that people who are more educated are more likely to quit smoking cigarettes, or not start at all, compared to people with less education.
“I think it's a reminder not to be satisfactory,” Meara says. “Just because a population overall appears to be getting healthier, it doesn't always mean that those advantages and successes that many people have enjoyed really extend into all parts of the population. And I think that's something to really pay attention to regardless of whether you live in the US or elsewhere.”
Meara points out that education can often determine income — people with more education frequently make more money. This makes them aware of health care, and purchase other resources and services that can keep them healthier. But the data on income do not show that people who make more money are automatically healthier. Meara says education is key. People need to be educated in order to take advantage of opportunities for better health.
Title: The Amount of Education {#blank#}1{#/blank#} to People's Health.
Groups of people | Less educated people | {#blank#}2{#/blank#} educated people | |
Analysis of the {#blank#}3{#/blank#} from the census | In 1990 | They could live for 75 years. | They could live to the age of 80. |
In 2000 | Their life expectancy was the same as in 1990. | They could live {#blank#}4{#/blank#} to the age of 81.6. | |
In the past ten years | Their life expectancy remained {#blank#}5{#/blank#}. | They made gains in the length of their lives partly {#blank#}6{#/blank#} to their quitting smoking or not smoking at all. | |
{#blank#}7{#/blank#} of the research | People are getting healthier in general, but it doesn't mean that all parts of the population are enjoying the advantages and successes. | ||
Income is {#blank#}8{#/blank#} to education. People with more education make more money, which helps to {#blank#}9{#/blank#} their awareness of health care, keeping them healthier. | |||
{#blank#}10{#/blank#} | Education is the key to better health. |
试题篮