分拣作业最简单的分拣方式就是（）两种。 ["按单分拣","批量分拣","整合按单分拣","复合分拣"]
中小学班主任应树立什么样的教育观念？
The signal for a fire emergency on an OSV is（）. ["a 30 second on 30 second off alternating signal","the continuous blast of the ships whistle for not less than 10 seconds supplemented by the continuous ringing of the general alarm bells for not less than 10 seconds","an intermittent ringing of the general alarm for not less than ten seconds","announced over the PA system"]
试举出四种常用的中水处理流程。
西学专斋开设的学科，购置的图书和仪器，创建的物理、化学实验室以及其他教学设备，为学校（）各科的发展奠定了基础。 ["A.理工","B.文","C.法","D.艺术"]
什么是部分母乳喂养？
