【判断题】Interviewers should make eye contacts in video interviews as they do in in-person interviews.()
【单选题】凯氏带是双子叶植物根初生结构的内皮层细胞壁( )上的一条木质栓化的带状增厚。
【单选题】He came back late,______ which time all the guests had already gone.
【单选题】AVI(Audio Video Interleaved)文件是由()信号混合交错地存储在一起构成的文件。
【单选题】He came back late, ____ which time all the guests had already left.
【单选题】AVI(Audio Video Interleaved)格式文件是由______信号混合交错地存储在一起构成的文件。
【简答题】AVI(Audio Video Interleave)
【单选题】AVI(Audio Video Interleaved)文件是由_______信号混合交错地存储在一起构成的文件。
【判断题】限制性核酸内切酶从DNA链的末端逐个切开核苷酸分子。