【判断题】云台是承载摄像机进行水平和垂直两个方向转动的装置,主要技术指标包括:应用环境、承重负载、转动角度、转动速度等。
【单选题】某企业有三个独立的投资方案,各方案有关数据如表所示。若基准收益率为10%,则投资效益由高到低的顺序为( )。
【简答题】We have to__________with many difficulties when we start a new business.
【多选题】中央电视台推出特别节目《大国工匠》,讲述实现中国梦征程中劳动者的故事,讴歌中国工人的精湛技艺和一丝不苟、精益求精、追求完美和极致的“工匠精神”。弘扬“工匠精神”的时代价值在于( )。
【简答题】阅读短文,判断正(√)误(×)。 We have a new classroom. It's so big and nice. We have a new teacher. She is beautiful (漂亮的). We have eight new lights and I have a new desk. It's near the window. ( ) 1. We have ...
【单选题】本屋にはいろいろな本の___CDもたくさんあります。
【判断题】云台是承载摄像机进行水平和垂直转动的装置。
【简答题】听录音,选择你所听到的句子。 ( ) 1. A. We have a new classroom. B. We have a new classmate. ( ) 2. A. We have 6 new lights. B. We have 3 new lights. ( ) 3. A. My seat is near the door. B. My seat is nea...