【判断题】为了防止账页散失和抽换,日记账和分类账都必须采用订本式账簿
【判断题】动火作业前,准备工作必须充分,准备工作未做好前,坚决不实施动火作业。
【单选题】肌肉收缩时张力明显增加,但无关节运动的是
【简答题】( )属于抗微生物药物 , 是最主要的兽药添 加剂和兽药残留 ,约占药物添加剂的 60 %。
【单选题】What do the words 'a replica' in Paragraph 2 refer to? 查看材料
A.
A painting of the skeleton.
C.
A copy of the skeleton.
D.
A written record of Lucy.
【单选题】Some of the drawbacks of _____ test markets are that they can be very costly, and they can give competitors a chance to look at the company’s new ideas.