已知{an}为等差数列,且a2-a5+a8=9,则a1+a2+……+a9=()
Itisnot---_______formetoreturnallthebookstothelibrarynowbecauseIstillneedsomeofthemformyresearch.
Whentravelingaloneinthemountains,you’dbettertakea_______withyouincaseyougetlost.
企业应当在资产负债表日对预计负债的账面价值进行复核,如果有确凿证据表明该账面价值不能真实反映当前最佳估计数,应当按照当前最佳估计数对该账面价值进行调整。()
He_______tostudyharderinthefuturesothathecouldhavemoreopportunitiestofindabetterjob.