【单选题】
立体正确的三视图为<img src="https://file.icve.com.cn/ssykt/221/713/374B24D18DC9F08CF9C8A25FDD3A11F5.png"/>
①
<img src="https://file.icve.com.cn/ssykt/766/963/BFBF0F3443B2C89D0AA6331797E07368.png">
②
<img src="https://file.icve.com.cn/ssykt/96/189/1802F66B63DBE227A4C5D0A72CEE0C42.png">
③
<img src="https://file.icve.com.cn/ssykt/947/563/ECF8CCB0927647156C00E668DA6D5278.png">
④
<img src="https://file.icve.com.cn/ssykt/370/979/5CBF4D0E1D22BBFDE38439DC8CAD4CFC.png">
【多选题】
由平面体的三视图绘出正等测图<img src="https://file.icve.com.cn/ssykt/366/878/5B9DBBCBF8C9FCADD457764A50F67C92.png"/>
①
<img src="https://file.icve.com.cn/ssykt/51/657/0CCA4628127BB9035E78868CB1036084.png">
②
<img src="https://file.icve.com.cn/ssykt/833/879/D05DBE3541A0220A454C85167A1D40F7.png">
③
<img src="https://file.icve.com.cn/ssykt/204/10/33302BD50FB60CE2F655DC6553EA1245.png">
④
<img src="https://file.icve.com.cn/ssykt/202/432/32A6C346874CA89516DBB2378A520EC1.png">