皮皮学，免费搜题
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【多选题】
采购业务流程中,非必须的环节是A.
采购请购
B.
采购订单
C.
采购到货
D.
采购入库
E.
采购开票
F.
采购结算
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反馈参考答案：
举一反三
【单选题】下列关于脑的解剖描述错误的是
A.
每侧大脑半球分为额叶、顶叶、颞叶、枕叶和岛叶5个叶
B.
端脑的表面为灰质，称大脑皮质。皮质深面是由出入皮质的神经纤维形成的白质，称大脑髓质
C.
位于大脑半球底部深埋于端脑基底髓质白质中的一群灰质核团，称基底神经核
D.
基底神经核由纹状体、屏状核和豆状核构成
E.
纹状体包括尾状核和豆状核，后者又分为壳核和苍白球
【单选题】If the whole operation __before hand, a great deal of time and money would have been lost.
A.
has not been planned
B.
had not been planned
C.
was not planned
D.
were not planned
【判断题】In order to avoid mistakes during the interview, you can memorize the answers to the commonly asked questiony before hand.
A.
正确
B.
错误
【判断题】The interpreter should get to know the place and time of working before hand.
A.
正确
B.
错误
【单选题】Please forgive me for ______ you before hand.
A.
not to inform
B.
not inform
C.
not informing
D.
no inform
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