由于骨与软组织的X线成像有良好的自然对比性，且检查方法简便、费用较低，所以，X线平片仍是目前骨肿瘤常用的首选影像检查方法。()
参考答案：对
饮食偏嗜中，下列哪种提法不确切
A．味过于酸，肝气以津，脾气乃绝
B．味过于甘，脾气不濡，胃气乃厚
C．多食咸，则脉凝泣而变色
D．多食苦，则骨痛而发落
E．多食辛，则筋急而爪枯
— Have you finished your homework yet?
— Not yet. I ______ to do it just a few minutes ago. [ ]
A. got down
B. set about
C. set out
D. got on
