基础标准是指在一定范围内作为其他标准制定、执行的基础,而普遍使用,并具有广泛指导意义的标准。
参考答案:对
患者高处坠落,颈部疼痛活动受限,双上肢活动可,双下肢关节活动不能。
如需明确颈部伤情,以下首选的检查是()。
A.颈部X线
B.颈椎CT
C.颈椎核磁共振
D.颈椎血管造影
E.头颅CT
We are pleased to know that you have planned to come to the Autumn Guangzhou Fair. We wish to discuss with you some other important things if you could come ______ your earliest convenience.
A.by B.onC.in D.at