____
关于孟子、荀子思想与孔子思想的关系,说法准确的是
① ____ A. Sunday B. weekend C. Monday D. Tuesday
② ____ A. older B. teacher C. funnier D. thinner
③ ____ A. visited B. watched C. cooked D. excited
④ ____ A. nose B. leg C. head D. toothache
⑤____ A. twelve B. fifth C. third D. first
某公司每生产一批产品都能维持一段时间的市场供应,若公司本次新产品生产x月后,公司的存货量大致满足模型f(x)=﹣3x3+12x+8,那么下次生产应在多长时间后开始?( )