【題目】Taxi-sharing could have a good effect on car numbers.

Taxi-sharing services could reduce the number of cars on the road by 75%,a study has suggested.The Massachusetts Institute of Technology (MIT) study found that a number of 3,000 four-passenger taxis could take the place of the present number of 13,000 yellow taxis in New York City.But it would mean that people would have to travel with strangers.The study was based on data from 3 million taxi rides.

Most experts who are looking at our city future agree that there is a real need to do something about the heavy traffic.Studies suggest that around the world people waste 7 billion hours each year sitting in traffic.And the effects on the environment are also severe-with cars in traffic burning 3 billion more gallons of gas.

Prof Daniela Rus from MIT's Computer Science and Artificial Intelligence Lab writes,"Instead of taking one person at a time,drivers could transport two to four people at once,leading to fewer trips in less time to make the same amount of money."The team developed a math method that could arrange cars based on real-time requests."A system like this could allow drivers to work shorter time,while also creating less traffic,cleaner air and less stressful rush hour,"said Prof Rus.Such a system would be particularly suitable for smart cars controlled by computer systems, she added.

【1】What's the shortcoming of sharing a taxi?

A. Passengers have to wait longer.

B. Passengers have to face strangers.

C. Passengers have to talk more.

D. Passengers have to pay more.

【2】What is the main cause that leads to taxi-sharing?

A. The busy people. B. The serious pollution.

C. The heavy traffic. D. The gas shortage.

【3】According to Prof Daniela Rus,who can also benefit from taxi-sharing?

A. The gas companies. B. The math experts.

C. The car producers. D. The taxi drivers.

【4】The taxi-sharing trips had better to be carried out by .

A. cars controlled by computer systems

B. cars driven by the latest robots

C. the Science and Artificial Intelligence Lab

D. the Massachusetts Institute of Technology

【答案】

【1】B

【2】C

【3】D

【4】A

【解析】本文講述了專家針對(duì)交通擁擠的情況采取的措施-共享出租的實(shí)行，雖然選擇出租車共享服務(wù)就意味著人們不得不和陌生人一起旅行，但是共享出租不僅可以緩解現(xiàn)在的交通壓力，出租車司機(jī)也能從中獲益。

【1】細(xì)節(jié)理解題。根據(jù)文章第一段“But it would mean that people would have to travel with strangers”可知，選擇出租車共享服務(wù)就意味著人們不得不和陌生人一起旅行。故選B。

【2】細(xì)節(jié)理解題。根據(jù)文章第二段“Most experts who are looking at our city future agree that there is a real need to do something about the heavy traffic”可知，大多數(shù)關(guān)注我們城市未來的專家都認(rèn)為，確實(shí)需要對(duì)交通擁擠的情況采取措施。共享出租就是解決這一問題的措施。故選C。

【3】細(xì)節(jié)理解題。根據(jù)文章第三段“Instead of taking one person at a time, drivers could transport two to four people at once, leading to fewer trips in less time to make the same amount of money.”可知，實(shí)行出租共享后，司機(jī)可以一次運(yùn)送兩到四個(gè)人，而不是在同一時(shí)間運(yùn)送兩個(gè)人到同一個(gè)人，這樣一來，在更短的時(shí)間內(nèi)就可以掙到同樣數(shù)量的錢�？梢姽蚕沓鲎庖矠槌鲎廛囁緳C(jī)帶來利益。故選D。

【4】細(xì)節(jié)理解題。根據(jù)文章第三段“Such a system would be particularly suitable for smart cars controlled by computer systems”可知，這樣一個(gè)共享出租智能系統(tǒng)將特別適合由計(jì)算機(jī)系統(tǒng)控制的智能車。故選A。

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