【单选题】微商的产品信息发布达到吸粉的要求是( )
【简答题】When a decision, you have to ______________ (考虑各种因素).
【判断题】优质碳素结构钢和普通碳素结构钢相比,硫、磷及其他非金属夹杂物的含量较高。
【单选题】If you have a self-centered attitude, it is, in my view, too selfish _____ you when making friends with others.
【单选题】When it is your turn to talk, what I want to tell you is ______you can show respect by making sure the listener understands ______ you are saying and is interested.
【判断题】1.5 内、外螺纹旋合时,顺时针旋转旋入的螺纹为右旋螺纹;逆时针旋转旋入的螺纹为左旋螺纹。
【单选题】在跟刀架支承反向车削细长轴, 可以消除工件的热膨胀的影响。