2010年考研英语作文真题:文化火锅，既美味又营养

The rapid development of battery technology will be of greater help to electric vehicles. It is estimated by UBS that while electric vehicle manufactures are still in deficit, the total cost for running a electric car will reach a gas car level next year. UBS also makes a optimistic forecast that by 2025, the sales volume of electric cars will account for 14% of global car sales. Other institutions whose attitude towards electric cars was more prudent before have already upgraded the expectations because of the advent of batteries with lower price and better performance. Per kilowatt-hour of such kind of battery, which costed 1000 dollars in 2010, only cost 130 to 200 dollars now.