直接回应是建立在( )为中心的营销手段。
A.价格
B.客户
C.成本
D.自我
参考答案:B
男,65岁,胸痛8小时,心电图下壁导联和右胸导联ST段抬高0.1~0.3mV,经过补液治疗,血压仍然偏低,考虑血压低的原因()
A.心源性休克
B.慢性心力衰竭
C.输液过多过快
D.急性右室梗死
E.血容量不足
He _______ have completed his work;otherwise, he wouldn’t be enjoying himself by the seaside.
A.should
B.must
C.wouldn’t
D.can’t