1．The engine oil and filter must be ____________ at least once a year
buy
bring
installed
changed
2．Replace brake fluid at the specified intervals to prevent increased stopping distance.
对
错
3．The resulting crash could cause serious injury.
过载的轮胎存在相同的危险。
产生的碰撞可能造成严重的人身伤害。
产生的碰撞不会造成严重的人身伤害。
过载的轮胎不会造成危险。
