在下列选项中哪个是正确的计算机交流电使用范围？（）
A、240V±10%
B、220V±10%
C、210V±10%
D、230V±10%
参考答案：B
在诊断寰枢关节脱位时，颈椎侧位平片测量寰齿间距应大于
A．2mm
B．3mm
C．4mm
D．5mm
E．6mm
_______ the paintings of da Vinci, the Louvre Museum has more than 6,000 other European paintings, _______ from the 13th century to the 19th century.
A．Except; ranging
B．Besides, ranged
C．Except; ranged
D．Besides; ranging
