题目内容

Telling Tales about PeopleOne of the most common types of nonfiction, and one that many people enjoy reading, is stories about people"s lives. These stories fall into three general categories: autobiography, memoir, and biography.An autobiography is the story of a person"s life written by himself or herself. Often it begins with the person"s earliest recollections and ends in the present. Autobiography writers may not be entirely objective in the way they present themselves. However, they offer the reader a good look at the way they are and what makes them that way. People as diverse as Benjamin Franklin and Helen Keller have written autobiographies. Other writers, such as James Joyce, have written thinly fictionalized accounts of their lives. These are not autobiographies, hut they are very close to it.Memoirs, strictly speaking, are autobiographical accounts that focus as much on the events of the times as on the life of the author. Memoir writers typically use these events as backdrops for their lives. They describe them in detail and discuss their importance. Recently, though, the term memoir seems to be becoming interchangeable with autobiography. A memoir nowadays may or may not deal with the outside world.Biographies are factual accounts of someone else"s life. In many senses, these may be the hardest of the three types to write. Autobiography writers know the events they write about because they lived them. But biography writers have to gather information from as many different sources as possible. Then they have to decide which facts to include. Their goal is to present a balanced picture of a person, not one that is overly positive or too critical A fair well-presented biography may take years to research and write. This passage is mostly about ______.

A. the characteristics of autobiographies, memoirs, and biographies
B. famous autobiographies
C. why biography can be difficult to write
D. differences between autobiographies and memoirs

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The two things are the same in outward form but different in nature.

A. in addition
B. in brief
C. in common
D. in essence

According to the new research, gardening is a more effective exercise for older women than jogging or swimming.

A. mental
B. physical
C. productive
D. efficient

Making Light of SleepAll we have a clock located inside our brains. Similar to your bedside alarm clock, your internal clock runs on a 24-hour cycle. This cycle, called a circadian rhythm, helps control when you wake, when you eat and when you steep.Somewhere around puberty, something happens in the timing of the biological clock. The clock pushes forward, so adolescents and teenagers are unable to fall asleep as early as they used to. When your mother tells you it"s time for bed, your body may be pushing you to stay up for several hours more. And the light coming from your computer screen or TV could be pushing you to stay up even later.This shift is natural for teenagers. But staying up very late and sleeping late can get your body"s clock out of sync with the cycle of light and dark. It can also make it hard to get out of bed in the morning and may bring other problems, too. Teenagers are put in a kind of a gray cloud when they don"t get enough sleep, says Mary Carskadon, a sleep researcher at Brown University in Providence, RI. It affects their mood and their ability to think and learn.But just like your alarm clock, your internal clock can be reset. In fact, it automatically resets itself every day. How By using the light it gets through your eyes.Scientists have known for a long time that the light of day and the dark of night play important roles in setting our internal clocks. For years, researchers thought that the signals that synchronize the body"s clock were handled through the same pathways that we use to see.But recent discoveries show that the human eye has two separate light-sensing systems. One system allows us to see. The second system tells our body whether it"s day or night. What is implied in the second paragraph

A. Young children"s biological clock has the same rhythm with that of the teenagers.
B. People after puberty begin to go to bed earlier due to the change of the biological clock.
Children before puberty tend to fall asleep earlier at night than adolescents.
D. Teenagers go to bed later than they used to due to the light from the computer screen.

Your help is necessary for the success of the project.

A. indispensable
B. indicative
C. inevitable
D. inherent

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