邮寄广告的邮寄对象的选择应该( )
A.随机抽取
B.由邮政公司确定
C.经过审慎选择
D.由消费者报名
参考答案:C
颈椎病患者在颈部侧屈时出现不适感,提示关节疾患的是()。
A.颈部侧屈受限
B.颈部侧届时同侧疼痛
C.颈部侧屈时对侧疼痛或紧张
D.颈部侧屈引发肩头的弥散性牵涉痛
E.颈部侧屈引发臂或手相应皮节的剧痛、麻木或麻刺感
The earthquake which happened in Yushu _______ 14th April 2010 was a big disaster.[ ]
A. at
B. on
C. in
D. to