强制性使用某种药物来取得特定的心理效应,以避免断药时出现戒断的现象,是指()。
A.戒断综合征
B.慢性中毒
C.渴求
D.药物依赖
E.耐受性
参考答案:D
心肌梗死陈旧期的心电图表现,主要是()
A.P波消失,代之以f波
B.坏死性Q波
C.ST段下移
D.T波倒置
E.出现u波
—I'm leaving tomorrow.
—Tomorrow? Why ______? You said you had fallen in love with this beautiful city. [ ]
A. in a hurry
B. so fast
C. so quickly
D. so often