Teenagers and young adults in the US are increasingly being diagnosed with skin cancer, according to doctors who warn that the development could lead to an outbreak of deadly aches on the skin as these patients get older. Doctors are especially disturbed by the numbers of younger people they are treating, which suggests that messages about avoiding the sun still aren’t getting through and that the tanned skin (晒黑的皮肤) that was made popular by French designer Coco Chanel in the 1920s remains a sought- after look today.
Although doctors lack the data to know what exactly is behind the rise in skin cancers among young people, they suggest several factors: more time in the sun, improper use of sunscreens and a rise in tanning salon (阳光浴沙龙) visits. Skin doctors believe that young people are generally spending more time in the sun than their parents did and are either not using enough sunscreen or failing to apply it properly. They also claimed that many Americans,
A. from 1986 to 1996
B. from 1987 to 1997
C. during 1997
D. during 1996
About one in twenty adults in the United States cannot read English. A new federal study shows that adults made little progress in their reading skills between 1992 and 2003.
The National Assessment of Adult Literacy is the most important test of how well adult Americans can read. Researchers tested nineteen thousand people over the age of sixteen. The study represents an adult population of two hundred twenty-two million. Those who took part were tested on how well they could read and understand information used in everyday life, The study found that eleven million adults, or five percent, cannot read English. They could not answer even the easiest written questions. Four million of them most likely cannot speak English either. The study shows that more than forty percent of adults can perform only simple reading activities. For many, even that can be difficult. Fifty-six percent of adults can perform moderate or complex activities. Moderate can mean finding info
A. Two hundred twenty-two million adults in America.
B. Eleven million immigrants.
C. Nineteen thousand people over sixteen in U. S.
D. Blacks, Asians and Hispanics living in the country.
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