- 精华
- 0
- 积分
- 515
- 经验
- 515 点
- 威望
- 0 点
- 金钱
- 903 ¥
- 魅力
- 545
|
请教一道题
Car owners who inflate their tires properly can substantially boost their vehicles' fuel efficiency, since the increase in car-road friction can waste up to five percent of car fuel by under inflation.
a) .....
B) Because the underinflation of tires can waste up to five percent of a car's fuel by increasing car-road friction, car owners can substantially boost their vehicles' fuel efficiency by properly inflating the tires.
Why B is better than A?
[em07][em07][em07] |
|