The Tower of London is the Church tower． A．twice high than B．two times as higher as C．twice higher as D．three times the height of 题目和参考答案——青夏教育精英家教网—

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The Tower of London is _________ the Church tower．

A．twice high than B．two times as higher as

C．twice higher as D．three times the height of

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Dear Li Ming,

To my opinion, when you reach London, the first place you should have set out for is Big Ben, where can be heard all over the world on BBC. Big Ben takes its name from Sir Benjamin Hall in 1858, who was responsible for the making of the world-famous clock at that time. It only has a very big size, but is extreme accurate as well. Officials from Greenwich Observatory have the clock check twice a day. On BBC, you can hear a clock when it is striking because microphones are connected to the clock tower. Big Ben has hardly gone wrong up till now. Once, therefore, it failed to give the correct time. A painter who worked on the tower hung a pot of paints on one of the hands and slowed it down!

Yours,

Mary

10－year－old John ran bare foot out of the door on a windy, cold day in February and he __1__ straight for the 125－foot electric tower behind their home. The tower carried 230,000 volts through its silver wires but John wasn't __2__ of the danger. He had suffered from a mental illness, a condition that separates him from reality，__3__ him to live within his own __4__. That day his thoughts were set on climbing to the top of that tower, touching the sky and feeling what it was like to __5__.

His seventeen－year－old brother, James, who had always been close by, watching him and making sure that no __6__ came to him，__7__ to realize that he was missing this time.

John had already __8__ the handrails(栏杆) and was making his __9__ to the sky by the time James __10__ him. James understood the __11__ of the electrical tower but he chose to follow his younger brother up each gray rail, trying not to look __12__，all the way to the top. James finally __13__ his brother and held him tightly with his right hand. With his left hand, he held on to a metal bar to help stabilize(固定) them __14__.

The minutes lengthened into hours __15__ they balanced on a three－inch rail. James sang songs to __16__ his own beating heart and to draw his brother's attention away from the rescue action taking place __17__.

Hundreds of people gathered at the base of the tower and they looked like ants to James. Helicopters(直升飞机) began to circle overhead and emergency trucks rushed to the __18__.When secured with a safety line, the brothers and their rescuers were carefully lowered to the ground, the crowd below burst out __19__. They witnessed the __20__ of a 17－year－old boy named James.

1. A. looked B. headed C. cared D. sent

2. A. aware B. proud C. sure D. afraid

3. A. teaching B. allowing C. coaching D. forcing

4. A. words B. opinions C. thoughts D. ideas

5. A. run B. fly C. rush D. walk

6. A. harm B. wound C. fear D. damage

7. A. refused B. headed C. pretended D. failed

8. A. removed B. cleared

C. overcome D. occupied

9. A. way B. trip C. tour D. journey

10. A. caught B. saved C. found D. recognized

11. A. usage B. danger C. effect D. height

12. A. left B. right C. up D. down

13. A. reached B. touched C. fetched D. found

14. A. either B. both C. all D. each

15. A. before B. till C. where D. as

16. A. stop B. rest C. calm D. resist

17. A. below B. nearby C. ahead D. around

18. A. land B. space C. center D. scene

19. A. cries B. cheers C. laughter D. shouts

20. A. carefulness B. friendliness

C. braveness D. unselfishness

Number sense is not the ability to count. It is the ability to recognize a 1 in number. Human beings are born with this ability. 2 , experiments show that many animals are, too. For example, many birds have good number sense. If a nest has four eggs and you remove one, the bird will not 3 .However, if you remove two, the bird 4 leaves. This means that the bird knows the 5 between two and three.

Another interesting experiment showed a bird's 6 number sense. A man was trying to take a photo of a crow（乌鸦）that had a nest in a tower, but the crow always left when she saw him coming. The bird did not 7 until the man left the tower. The man had an 8 .He took another man with him to the tower. One man left and the other stayed, but they did not 9 the bird. The crow stayed away until the second man left, too. The experiment was 10 with three men and then with four men. But the crow did not return to the nest until all the men were 11 .It was not until five men went into the tower and only four left that they were 12 able to fool the crow.

How good is a human's number sense? It's not very good. For example, babies about fourteen months old almost always notice if something is taken away from a 13 group. But when the number goes beyond three or four, the children are 14 fooled.

It seems that number sense is something we have in common with many animals in this world, and that our human 15 is not much better than a crow's.

1. A．rise B．pattern C．change D．trend

2. A．Importantly B．Surprisingly C．Disappointedly D．Fortunately

3. A．survive B．care C．hatch D．notice

4. A．generally B．sincerely C．casually D．deliberately

5. A．distance B．range C．different D．interval

6. A．amazing B．annoying C．satisfying D．disturbing

7. A．relax B．recover C．react D．return

8. A．appointment B．excuse C．idea D．explanation

9. A．fool B．hurt C．catch D．kill

10. A．reported B．repeated C．designed D．approved

11. A．confused B．gone C．tired D．drunk

12. A．gradually B．luckily C．strangely D．finally

13. A．single B．small C．local D．new

14. A．seldom B．temporarily C．merely D．often

15. A．sight B．nature C．ability D．belief

_____ from the top of the tower, the east foot of the mountain is a sea of rape flowers.

A．Seen B．Seeing C．Having seen D．To see

WASHINGTON---At least four more U.S. air-traffic controllers are caught nodding off on the job at three separate airports across the nation, the government said Wednesday.

The controller working alone in the tower fell asleep and was out of communication for 16 minutes while a medical flight carrying a patient was trying to land at about 2 A.M. Wednesday at Reno-Tahoe International Airport in Nevada, the Federal Aviation Administration (FAA) said in a statement.

The FAA announced that it is also investigating a controller who fell asleep Monday at Boeing King County International Airport in Seattle and two controllers who were unresponsive at McGhee Tyson Airport in Knoxville, Tennessee on Feb.19.

“I am sick of this,” Senate Commerce, Science and Transportation Chairman Jay Rockefeller, a West Virginia Democrat, said in a statement. “We can’t have a system where some of the people responsible for safety are asleep at the switch.”

As the incidents pile up, sleep experts say it demonstrates that the agency faces a systemic issue with the thousands of people expected to work through the night in safety-critical jobs. Scientific research shows that workers on midnight shifts make more errors because it is so difficult for the body to adapt to sleeping during the day, they say.

The agency will add an extra controller at the 27 towers staffed with one worker on the midnight shift, the FAA statement said.

Representative John Mica, the Florida Republican who chairs the House transportation committee, criticized the decision to add controllers. “Only in the federal government would you double up on workers, averaging $161,000 per year in salary and benefits, that aren’t doing their job,” Mica said in a statement. Mica has pushed legislation that would allow as many as 90 smaller airports to switch from federal to private controllers.

“People have known these problems with fatigue（疲劳）have existed for years,” said John Goglia, a Boston-based aviation safety consultant. “They’re now showing up. The FAA is admitting they exist. Now the FAA needs to work on it.”

The four controllers in Nevada, Seattle and Texas have been suspended(暂时停职) during the investigations, the FAA said.

1.The underlined part “double up on workers” means “______”.

A．add two more workers	B．staff two workers at a post
C．settle two workers in a double room	D．give the workers double pay

2.According to John Goglia, fatigue problem ______.

A．is a known potential danger	B．has never appeared before
C．is common for day-time shift workers	D．seldom shows up at night

3.Which statement is true?

A．A controller fell asleep without communication for 16 minutes in Knoxville, Tennessee.

B．A medical flight carrying a patient failed to land with the controller asleep.

C．Jay Rockefeller pays little attention to sleeping at the switch.

D．Mica refused to support the decision to staff more controllers on the midnight shift.

4.We can infer from the passage that ______.

A．All the controllers in the US were working alone while they were on duty

B．The incidents are rooted in fatigue problems and those on midnight shifts need an extra nap

C．In the U.S. , thousands of people expect to work through the night in safety-critical jobs

D．The agency has added an extra controller at the 27 towers

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