题型:阅读理解 题类:常考题 难易度:普通
山西省实验中学2018-2019学年高一上学期英语第一次月考试卷
Getting less sleep has become a bad habit for most American kids. According to a new survey(调查) by the National Sleep Foundation, 51% of kids aged 10 to 18 go to bed at 10 pm or later on school nights, even though they have to get up early. Last year the Foundation reported that nearly 60% of 7- to 12-year-olds said they felt tired during the day, and 15% said they had fallen asleep at school.
How much sleep you need depends a lot on your age. Babies need a lot of rest: most of them sleep about 18 hours a day! Adults need about eight hours. For most school-age children, ten hours is ideal(理想的). But the new National Sleep Foundation survey found that 35% of 10- to 12-year-olds get only seven or eight hours. And guess what almost half of the surveyed kids said they do before bedtime? Watch TV.
“More children are going to bed with TVs on, and there are more opportunities(机会) to stay awake, with more homework, the Internet and the phone,” says Dr. Mary Carskadon, a sleep researcher at Brown University Medical School. She says these activities at bedtime can get kids all excited and make it hard for them to calm down and sleep. Other experts say part of the problem is chemical. Changing levels of body chemicals called hormones not only make teenagers' bodies develop adult characteristics, but also make it hard for teenagers to fall asleep before 11 pm.
Because sleepiness is such a problem for teenagers, some school districts have decided to start high school classes later than they used to. Three years ago, schools in Edina, Minnesota, changed the start time from 7:25 am to 8:30 am. Students, parents and teachers are pleased with the results.
What is a TEDx event? TEDx brings the spirit of TED's mission of "ideas worth spreading" to local communities around the globe. A TEDx event is a local gathering where live TED-like talks and videos previously recorded at TED conferences are shared with a community. TEDx events are fully planned and coordinated independently, on a community-by-community basis. All TEDx events present multiple issues and a diversity of voices from many disciplines. After all, what's the fun without a little variety? If you want to organize a TEDx event, you'll need to apply for a TEDx license. No one is qualified to organize an event without being granted a license by TED. So you want to organize a TEDx event? Before you start you should know the TEDx rules, which are non-negotiable and mandatory. General rules * We value and welcome young organizers, but if you're under 18 years old, you must be supervised by an adult. TED doesn't grant licenses to individuals associated with controversial or extremist organizations. * TED allocates one location-based license series per application. You must live in the city for which you are applying for a license. Your TEDx event must happen in the city for which you received the license. * Your event must maintain the spirit of TED itself: focused on the power of ideas to change attitudes or lives. Your event may not exceed (超过) one day in length. * Up to 100 individuals may attend your event. Only individuals who have attended an official TED conference may organize an event with more than 100 attendees. Having attended one or multiple TEDx events or TEDWomen does not qualify you to host an event for more than 100 guests. * TEDx events are named after locations, such as cities, neighborhoods, streets etc., and aim to serve that named community. Event names must comply with the guideline laid out in naming your event. Special attentions ※ A TEDx event is not a platform for professional speakers, such as motivational speakers and professional life coaches. Its purpose is to give a platform to those who don't often have one. ※ A TEDx event cannot be used to raise money, not even for a charity. ※ A TEDx event can't be co-branded with an institution except under specific license types – for a college or university, or for internal events (for corporations and organizations). ※ TEDx events may not be used to promote spiritual or religious beliefs, commercial products or any kind of political agenda. ※ Every TEDx event either shows only TED Talk videos to its audience, or shows both TED Talk videos and live speakers from the community. For events less than half a day in length, two TED Talks videos are required to be shown. For longer events, 25% of the total number of talks must be official TED Talk videos. |
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