You've given up your fair share of sleep-will you ever feel rested again?
Let's do some sleep math．You lost two hours of sleep every night last week because of a big project due on Friday．On Saturday and Sunday, you slept in, getting four extra hours．On Monday morning, you were feeling so bright-eyed, and you only had one cup of coffee, instead of your usual two．But don't be cheated by your energy： You're still carrying around a heavy load of sleepiness, or what experts call "sleep debt"－in this case something like six hours, almost a full night's sleep．
Sleep debt is the difference between the amount of sleep you should be getting and the amount you actually get．It's a deficit(缺乏)that grows every time we skim some extra minutes off our nightly sleep．"People accumulate sleep debt gradually without being noticed," says psychiatrist William C．Dement, founder of the Stanford University Sleep Clinic．Studies show that such short-term lack of sleep leads to a foggy brain, worsened vision, and trouble remembering．Long-term effects include obesity, insulin(胰岛素)resistance, and heart disease．A survey by the National sleep Foundation reports that we're losing one hour of sleep each night——more that two full weeks of sleep each year．
The good news is that, like all debt, with some work, sleep debt can be repaid．Adding an extra hour or two of sleep a night is the way to catch up．For the long-term lack of sleep, take it easy for a few months to get back into a natural sleep pattern．
Go to bed when you are tired, and allow your body to wake you in the morning(no alarm clock allowed)．You may find yourself catatonic(有紧张感的)in the beginning of the recovery cycle： Expect to have ten hours' shut-eye per night．As the days pass, however, the amount of sleeping time will gradually decrease．
So earn back that lost sleep－and follow the orders of your inner sleep needs, and you'll feel better．“When you put away sleep debt, you become superhuman,”says Stanford's Dement, talking about the improved mental and physical capabilities that come with being well rested．
(1)
The example of sleep math is used to illustrate ________．
[ ]
A．
in what case you build up a sleep diet．
B．
Why you need six hours' sleep every night．
C．
why you are full of energy even when you don't have enough sleep．
D．
you should drink coffee to keep energetic．
(2)
The author begins Paragraph 3 with ________
[ ]
A．
an example
B．
a definition
C．
an order
D．
a story
(3)
By saying the underlined sentence in the last paragraph, Dement means ________．
[ ]
A．
a superman always needs a lot of sleep．
B．
You can become superman after you repay your debt．
C．
you will be in a good state with enough sleep．
D．
you will become superhuman if you don't make up for sleep debt．
(4)
What might be the most suitable title for the passage?
One of Britain's most popular reality TV programmes has returned to our screens for a fifth series．The Apprentice sees 16 ambitious individuals competing for a job with electronics tycoon(巨头)Sir Alan Sugar．
The Apprentice is a BAFTA award-winning British reality television series in which fl group of aspiring young businessmen and women compete for the chance to win a￡100,000-a-year job as“apprentice”to the British business tycoon Alan Sugar, The Baron Sugar．Winners have gone on to work at Amstrad, an electronics manufacturing company founded by Sir Alan(but since sold to BSkyB), or one of Sugar's other companies, Viglen, Amsprop or Amshold．TheApprentice, billed as a“job interview from hell”, is similar in format to the American series of the same name, which stars entrepreneur Donald Trump．
With endless talk of financial crisis, redundancies(过剩)and cut-backs, it may come as no surprise that thousands of brave hopefuls applied for the show．The chosen 16 will compete in a series of business tasks and do their best to escape elimination．Not one of them wants to hear the fateful words：you're fired．
It should also be noted that this year's apprentices are not going, to be allowed to forget the terrible economic climate quite so easily．At the launch of this year's TV show, Sir Alan announced that some episodes have been“specifically made towards recognition of what difficult times we are in”．
The tasks will as usual be tough tests of business wisdom。team-working and leadership skill．They will also make for some funny viewing．British viewers will be shaking their heads in disbelief at the crazy decisions of the wanna be apprentices．But perhaps the most entertaining feature of the show will be watching the hopefuls squirm(局促不安)and quarrel in the。boardroom．It is here they will have to explain just why they have failed each task so badly．
What drives people to take part in the show is difficult to say．Some are clearly motivated by the promise of a six-figure salary and some claim they want the experience of working with a successful businessman such as Sir Alan．One thing is for sure．the contestants will all gain some level of celebrity．The show is a regular ratings winner．
To date, there has been one big winner and that is the show's creator, Mark Burnett．Originating in the US, The Apprentice's winning format has been copied all over the world and with the hype(炒作)surrounding this latest series, it looks as though the show will have success for many years to come．
(1)
What's the aim of contestants'taking part in The Apprentice?
[ ]
A．
Tb acquire a good job．
B．
To meet famous people．
C．
To win some prize money．
D．
To obtain some experience．
(2)
What is special about this year's The Apprentice?
[ ]
A．
There will be more contestants．
B．
There will be more famous people．
C．
It is affected by the financial crisis．
D．
1t is supported by Sir Alan Sugar．
(3)
The tasks in The Apprentice lay emphasis on the following EXCEPT ________．
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高效智能课时作业系列答案
farmer，inventor，astronomer writer and antislavery supporter．He created the first American—built striking clock．
lt(一卷)of white cloth for his mother and looked around for someone to taik to．Benjamin’s heart jumped like a rabbit when he saw a friend holding a gold watch．Benjamin had always wanted to figure out how clocks and watches worked．The friend saw Benjamin and let him sit down for a good talk．
r two years，Benjamin farmed all day and worked on his wood pieces at night．In1753，two years after he had borrowed the watch，Benjamin put all the pieces together．Benjamin had made his own clock．