【多选题】以下哪些案例属于缺点逆用。( )
C.
纸绳易湿易断,小学生发明“下雨自动收衣”的晾衣架
D.
有些化纤织物有静电吸附力,衣服容易脏,用化纤织物制成掸帚、吸尘器
【判断题】企业合并一般指一个企业与另一个企业实行股权联合或获得另一个企业净资产的控制权和经营权,合并前后各自独立的企业组织形式不变。()
【单选题】浮选工艺利用的是矿物( )的差异。 A ; B; C ;
【单选题】Is this bridge made of____________? Yes, it is made of 23,000 huge____________.
【简答题】give rise to handle be made of be made from protet ...... from pile up in contrast with testimony be similar off-limits grow up 1.This kind of fine paper is wood. 2. The mus...