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单选题英语

2016-06-14

The writer advises users of social media to _______.

A．think carefully before posting anything onto such websites

B．read the terms and conditions even if there is a kitemark

C．take no further action if they can find a kitemark

D．avoid providing too much personal information

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参考答案

B

答案解析

B

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1 Which of the following is the best title of the passage?

A．Say no to social media?

B．New security rules in operation?

C．Accept without reading?

D．Administration matters!

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2 阅读文章，回答题
Walking will be banned on escalators as part of a trail designed ti reduce congestion(拥堵) at some of the country’s busiest stations.
In the first move of its kind, all travelers will be forced to stand on both sides of escalators on the London Underground as part of a plan to increase capacity(容量) at the height of the rush hour.
A xix-month trial will be introduced at Holborn station from mid-April, eliminating the rule of standing on the right and walking on the left. The move, imitating a similar structure in Far eastern cities such as Hong Kong, is designed to increase the number of people using long escalators at the busiest times . it could be expanded across the Tube network in coming years.
According to London Underground, only 40 percent of travelers walk the full length of long escalators, leaving the majority at the bottom as they wait to get on to the “standing “side.
A three-week trial at Holborn last year found that the number of people using escalators at any time of could be raised by almost a third. Peter McNaught, operations director at London Underground, said: “It may not seem right that you can go quicker by standing still, but our experiments at Holborn have proved that it can be true. This new six-month trial will help us find out if we can influence customers to stand on both sides in the long term.”
Holborn has one of the longest sets of escalators on the Underground network at 23.4 high. Tube bosses claim that capacity was limited because so few people wanted to walk up—meaning only one side was used at all times. Research has shown that it is more effective use of escalators over 18.5 to ban walking.
The previous trial found that escalators at the station normally carried 2,500 people between 8:30am and 9:30am on a typical day, rising to 3,250 during the researching period.
In the new trial, which will be launched from April 18, one of three “up” escalators will be standing only, with a second banning walking at peak times. A third will remain a mix of walking and standing.
(Note: Answering the questions the questions or complete the statements in NO MORE THAN TEN WORDS.)
What is the existing problem with standing on the right and walking on the left?

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3 What did last year’s three-week trial at Holborn station prove?

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