C. O. means () of origin. A.certificate B 发布时间:2018-01-06 04:54 │ 来源:www.tikuol.com 题型:单项选择题 问题: C. O. means () of origin.A.certificateB.currencyC.containerD.catalogue
题型:单项选择题 The police found that the house _______and a lot of things _____[ ]A. has broken into; has been stolen B. had broken into; had been stolenC. has been broken into; stolen D. had been broken into; stolen 查看答案
题型:单项选择题 对文中所提供的信息,理解不准确的一项是()。A.新方法制造铁素体磁铁降低了造价B.用新方法制造出的是一种组合磁铁C.新技术还有更多的好处有待于发现D.新法制的磁铁磁场强度和极性多变 查看答案