【简答题】一个长方形相邻两条边总长度为 25 厘米,这个长方形的周长是( )厘米。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【判断题】切削热主要是由于工件与刀具后刀具面之间的摩擦产生的。
【单选题】Many residents are supposed to ____ the motorway. It is not a wise decision.
【单选题】According to the lecture, approximately how many residents are there in Anchorage?