More than 2 million US teenagers have suffered a serious bout（发作) of depression in the past year, according to a federal government survey released on Tuesday.
On average, 8.5 percent of adolescents aged 12 to 17 described having had a major depressive episode in the previous year, the Substance Abuse and Mental Health Services Administration reported.
But there were "striking differences" by sex, with 12.7 percent of girls and 4.6 percent of boys affected.
Depression is the leading cause of suicide, which in turn is the third-leading cause of death for 15- to 24-year-olds in the United States.
"Combined 2004 to 2006 data show that rates of past year major depressive experience among youths aged 12 to 17 generally increased with increasing age," the researchers wrote.
Researchers at SAMHSA and RTI International in Research Triangle Park, North Carolina, prepared the report using data from the National Survey on Drug Use and Health.
More than 67,700 youths aged 12 to 17 answered questions about mood and depression. They were also asked to rate how depression affected them using the Sheehan Disability Scale, which measures impact on family, friends, chores at home, work and school.
Researchers defined a major depressive episode as two weeks or longer of depressed mood or loss of interest or pleasure, and at least four other symptoms(症状) such as problems with sleep, energy, concentration or self-image.
Nearly half of the teenagers who had major depression said it severely damaged their ability to function in at least one of the areas on the disability scale.
"Fortunately, depression responds very well to early intervention and treatment," SAMHSA Administrator Terry Cline said in a statement.
1. The underlined word “ episode ”in paragraph 2 has the similar meaning as the given word_________
A. feeling B. expression C. experience D. experiment
2. The main reasons which lead to serious depressive symptoms include_________.
A. low spirits , unhappiness , lack of sleep and poor concentration
B. poor health , sex discrimination , less energy and loss of interest
C. suicide , sandness , lack of confidence and depression
D. no family or friends or jobs or interests at all
3. What can be implied , but is not stated directly ?
A. There were more girl students suffering depression than boys
B. There were over 2 million American teens suffering depression in the past two years
C. The students surveyed were aged between `12 and 17
D. depression is the third-leading cause of suicide
4. What will the following paragraph probably talk about according to the passage ?
A. How to have a happy feeling B. How to live a comfortable life
C. How to recover from stress D. How to prevent and treat depression
As you grow older, you'll be faced with some challenging decisions--like whether to cut class or try cigarettes. Making decisions on your own is hard enough, but when other people get involved and try to pressure you one way or another it can be even harder. People who are your age, like your classmates, are called peers. When they try to influence how you act, to get you to do something, it's called peer pressure. Peers can have a positive influence on each other. Maybe another student in your science class taught you an easy way to remember the planets in the solar system. Maybe you got others excited about your new favorite book, and now everyone's reading it. These are examples of how peers positively influence each other. Sometimes peers influence each other in negative ways. For example, a few kids in school might try to get you to cut class with them; your soccer friend might try to convince you to be mean to another player and never pass him the ball. It is tough to be the only one who says “no” to peer pressure, but you can do it. Paying attention to your own feelings and beliefs about what is right and wrong can help you know the right thing to do. You've probably had a parent or teacher advising you to “choose your friends wisely.” Peer pressure is a big reason why they say this. If you choose friends who don't cut class, smoke cigarettes, or lie to their parents, then you probably won't do these things either, even if other kids do. If you continue to face peer pressure and you're finding it difficult to handle, talk to someone you trust. Don't feel guilty if you've made a mistake or two.For whom is the passage most probably written?
| A．Students. | B．Parents. |
| C．Teachers. | D．Doctors. |
In the last three paragraphs, the author mainly_____.
| A．explains why friendship is so important |
| B．gives advice on how to deal with peer pressure |
| C．discusses how peers influence us |
| D．shows how to make more good friends |
Which of following may help handle peer pressure?
| A．Spending more time with classmates. |
| B．Taking up more relaxing hobbies. |
| C．Choosing friends with no bad habits. |
| D．Helping others who are in trouble. |
What is the topic of the passage?
| A．Friendship. | B．Making decisions |
| C．Self-confidence | D．Peer pressure |
Wanted, Someone for a Kiss
We're looking for producers to join us on the sound of London Kiss 100 FM. You'll work on the station's music programmes. Music production experience in radio is necessary, along with rich knowledge of modern dance music. Please apply in writing to Producer Vacancies, Kiss 100.
Father Christmas
We're looking for a very special person, preferably over 40, to fill our Father Christmas suit.
Working days: Every Saturday from November 24 to December 15 and every day from December 17 to
December 24 except Sundays, 10:30-16:00.
Excellent pay.
Please contact (联系) the Enterprise Shopping Centre, Station Parade, Eastbourne.
Accountants Assistant
When you join the team in our Revenue Administration Unit, you will be providing assistance within all parts of the Revenue Division, dealing with post and other general duties. If you are educated to GCSE grade C level we would like to talk to you. This position is equally suitable for a school leaver or for somebody who has office experience.
Wealden District Council
Software Trainer
If you are aged 24 and have experience in teaching and training, you could be the person we are looking for. You should be good at the computer and have some experience in programme writing. You will be allowed to make your own decisions, and to design courses as well as present them. Pay upwards of £15,000 for the right person. Please apply by sending your CV (简历) to Mrs R. Oglivie, Palmlace Limited.
Who should you get in touch with if you hope to work in a radio station?
| A．Producer Vacancies, Kiss 100. |
| B．Mrs Oglivie, Palmlace Limited. |
| C．The Enterprise Shopping Centre. |
| D．Wealden District Council. |
We learn from the ads that the Enterprise Shopping Centre needs a person who________.
| A．is aged between 24 and 40 |
| B．may do some training work |
| C．should deal with general duties |
| D．can work for about a month |
Which position is open to recent school graduates?
| A．Producer, London Kiss. |
| B．Father Christmas. |
| C．Accountants Assistant. |
| D．Software Trainer. |
What kind of person would probably apply to Palmlace Limited?
| A．One with GCSE grade C level. |
| B．One with some office experience. |
| C．One having good computer knowledge. |
| D．One trained in producing music programmes. |
Every living cell contains genes. They are too small to be seen in a microscope, but they are very important. Each set of genes in the body contains all the instructions needed to make a human being. Some genes determine hair color. Some determine the shape of a nose. Some genes help determine your height and even your weight.
Genes are made of a chemical called DNA-the letters stand for deoxyribonucleic acid(脱氧核糖核酸). In the early 1950's, two scientists, Francis Crick and James Watson, figured out how the parts of DNA fit together. Once scientists understood this structure, it became possible to take pieces of DNA apart and put them together in new ways. New kinds of genes could be made in this manner.
Scientists have studied the genes of many plants and animals. They have worked out which genes affect the color of a tomato and the thickness of its skin. Working out which genes determine which features is called genetic mapping, scientists have begun the Human Genome Project, an ambitious effort to map all the genes in the human body.
Some genes may be defective(有缺陷的). For example, something might be wrong with the gene that makes blood clot(凝聚). A baby born with this defective gene could suffer serious hemorrhages(出血) or even bleed to death because his or her blood fails to clot. If scientists ever learn how to map all the genes in our bodies, they can determine whether or not an unborn child has any defective genes. They might even discover how to treat these genes before the child is born.What was the achievement of Francis Crick and James Watson?
A. They discovered why people have different hair colors.
B. They learned that some people bleed for long periods of time.
C. They looked at human cells under the microscope.
D. They worked out the structure of DNA.What is the main idea of this passage?
| A．Defective genes can never be repaired. |
| B．Genes are too small to be seen through a microscope. |
| C．Genes help scientists understand how living things develop their characteristics. |
| D．The Human Genome Project may explain the role of every gene in the body. |
In 1752, three years after two Scotsmen, Alexander Wilson and Thomas Melville, fastened thermometers to kites to record the temperature of clouds, Benjamin Franklin made his famous experiment with a kite, a string, and a key. Franklin hoped to show that nature's tremendous displays of electricity in lightning were the same thing as the feeble electric sparks scientists of the day were producing in their laboratories. He built a square kite to which he attached an iron wire. He flew the kite with a hemp string(麻线), and near the base of the string he tied a large brass key. The kite rose into a dark thundercloud, where the iron wire picked up electrical charges. Franklin noticed that the strands of the string(绳串) were beginning to stand up with electricity. As rain wet the string, it conducted more electricity. Standing in the shelter of a shed, Franklin cautiously reached out his finger to touch the brass key. A series of sparks jumped from the key to his finger. He thus proved that lightning and electricity are the same. We now know that this experiment was a dangerous one, for Franklin might have been killed by a bolt of lighting.The best title for this passage is ________.
| A．The Discover of Electricity |
| B．The kite and Science |
| C．Franklin, a Great Scientist |
| D．Franklin's Experiment with Lightning |
According to the passage, Benjamin Franklin ________.
| A．recorded the temperature of clouds |
| B．was killed by a bolt of lightning |
| C．proved that lightning and electricity have the same essential nature |
| D．proved that lightning can be controlled by man |
Two Scotsmen experimented with kites in ________.
| A．1752 | B．1746 |
| C．1749 | D．1755 |
Franklin did not use a ________.
| A．string | B．wire |
| C．thermometer | D．key |
The fact that Franklin was not injured was apparently due to ________.
| A．wisdom | B．luck |
| C．the materials | D．the shed's protection |
When he took office, George W. Bush, son of former president George Herbert Walker Bush, became the first son to follow his father into the White House since John Quiney Adams followed John Adams in the early 19th century.
Bush was born on July 6, 1946, in New Haven, Connecticut, the first child of George Herbert Walker Bush and Barbara Pierce Bush. Although George Herbert Walker Bush began his career in the oil industry, he finally served as a congressman(国会议员), and vice(副) president and president of the United States.
At the age of two, Bush moved with his parents from Connecticut to Odessa, Texas, where his father took up the oil business. After a year in Texas, the family moved to California for business reasons. A year later, the family returned to Texas and settled in Midland, where Bush lived from 1950 to 1959.
In 1959, again for business reasons, the family moved to Houston, Texas. In 1961 Bush left Texas and went to Andover, Massachusetts, to attend Phillips Academy, aboarding school(寄宿学校) that his father had also attended.
At Phillips, Bush played basketball, baseball, and football. He was best known for being head cheerleader. In 1964 he enrolled at Yale University in Connecticut.His father and grandfather had also attended Yale. At Yale, Bush was considered an average student, but he was popular with his classmates.
Bush graduated from Yale with a bachelor’s degree in history in 1968. Then he joined the Air National Guard and remained in the Guard until 1973. After earning his MBA from Harvard in 1975, Bush returned to Midland. Like his father, he first entered the oil industry as a “landsman(新手)”. However, Bush’s oil companies never enjoyed great success. He took more interest in politics. He helped his father to become president and in 1994 he himself was elected governor of Texas.
In the summer of 1999, Bush began to run for the president of the USA and on January 20, 2001, George W. Bush, hand raised, took the oath(宣誓) of office to become the 43rd president of the US.What does the writer intend to tell us in the first paragraph?
| A．George W. Bush is the first son in American history to follow his father into the White House. |
| B．George W. Bush is the first son of former president George Herbert Walker Bush. |
| C．George W. Bush is the second one in American history to follow his father into the White House. |
| D．John Quincy Adams and his father were both former American presidents. |
We may learn from the text that young Bush ______.
| A．got on very well at the universities |
| B．was very good at basketball, baseball and football |
| C．was a very successful politician like his father |
| D．did everything as his father had done |
Which of the following is NOT true about George W. Bush?
| A．He once studied at a university that his father and grandfather had also attended. |
| B．Young Bush lived with his family in Texas from 1948 to 1961. |
| C．He once ruled over an American state before he entered the White House. |
| D．He once served at the Air National Guard for about five years. |
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