某厂制造的100把锁，有98把质量优良，优良率是______．
98100×100%=98%；
答：优良率是98%；
故答案为：98%．
He talked again and again to his friend about careful driving, but _____ just turned a deaf ear to his words. [ ]
A. another
B. other
C. others
D. the other
18个月大的儿童可以服从延迟满足的要求。
