AirCar is the latest generation flying car 【小题1】 transforms from road vehicle into air vehicle in less than 3 minutes, Useful for leisure and self-driving 【小题2】(journey), the vehicle can go from driving to flying mode with the click of a button. The fifth generation flying car designed by Professor Stefan Klein 【小题3】 (complete) two flight tests at Piestany airport in Slovakia so far.

The two-seat AirCar, 【小题4】(weigh) 1,100kg, can carry an additional load of 200kg per flight. 【小题5】(drive) by a BMW 1.6L, engine, the car-plane has an effective power output of 140HP. The estimated travel range of the vehicle is 1,000km and the flight 【小题6】 (consume) is 18 liters (升) per hour. AirCar can transform from a ground-based vehicle to aircraft with its speed 【小题7】(reach) up to 200 km/h. But most importantly, the stability and controllability of the AirCar is 【小题8】(access) to any pilot.

“With AirCar you will arrive at your destination 【小题9】 the trouble of getting a ride to airport and passing through commercial security. You can drive your AirCar to the golf course, the offices, the shopping centre or your hotel and park 【小题10】in a normal parking space,” said Anton Zajac, Klein Vision’s co-founder，investor and pilot.

Several studies in recent years have suggested that ride-sharing services like Uber can 【小题1】 (worse) traffic problems in cities, 【小题2】 continue to have high rates of private vehicle ownership.

The new study, 【小题3】 (conduct) by the not-for-profit group Union of Concerned Scientists, represents 【小题4】 attempt to center on how ride-sharing services affect pollution. The research examined the effects of ride-sharing services 【小题5】 the environment of seven American cities.

Overall, the researchers reported that ride-sharing trips now result in an estimate 69% more climate pollution on average than the 【小题6】 (replace) trips. The study explains that the same passengers could have chosen to travel by bus, train, bike or on foot.

One of the big reasons they give for this result is that usually ride-sharing vehicles 【小题7】 (drive) with no passengers in the car. This happens 【小题8】 drivers are either waiting for rider requests, are on the way to pick up passengers, 【小题9】 are driving in between pickups.

The study urges services like Uber 【小题10】 (work) to increase the number of pooled rides and electric vehicles on the road, and to improve connections to public transportation centers.

A slow train in Southwest China possessing its own study room has attracted much attention from netizens 【小题1】 (recent).

The train No 5609/5610, running between Chongqing and Xiushan county, is 【小题2】 public-welfare “slow train”. In some carriages,   some seats have been replaced with desks and chairs next to the windows to transform them into “study carriages” for passengers in need. A lot of inspirational slogans can 【小题3】 (see) throughout the carriages.

In【小题4】 (add) to No 5609/5610, other “slow trains” have been upgraded (升级) with “study carriages”, including No 5619/5620 and 5633/5634, 【小题5】 run along the Chengdu-Kunming Railway. Students from nearby schools often take the train between school and home. The trains are their “school buses” and many passengers use their travel time to complete homework.

On train No Z150, a【小题6】 (transform) “book bar” carriage has been welcomed by college students. There are nearly 400 universities and colleges in the cities along the line, 【小题7】 (make) train No Z150 the first choice for most students on those campuses. Since 2015, the train’s dining car     【小题8】 (be) open for free at night to provide returning students with a lending library, free tea【小题9】 other services. These small 【小题10】 (measure) taken by the railway department are a welcome comfort for passengers in need of a relaxing place to continue their studies.