【单选题】If you try to learn too many things at a time at the beginning, you may _______.
【单选题】把一个直径是2毫米的手表零件画在图纸上,直径是4厘米,这幅图纸的比例尺是 [ ]
【单选题】在停电线路上工作对突然来电进行防护的唯一措施是()
【简答题】在一张图纸上,用4厘米表示实际距离1千米,这张图纸的比例尺是______.
【简答题】有一幅图纸,用4厘米表示100厘米,这幅图纸的比例尺是 1 5 .______.
【单选题】If you try to learn too many things at a time, you may get _____. [ ]
【单选题】下列法律关系中的法律事实属于法律行为的是( )。
【单选题】If you try to learn too many things at a time, you may get ______.