空气的摄氏温度是20℃,绝对温度则为()。
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She always does very well in the English exams. But she can _____understand Englishradio programs. [ ]
A. always
B. hardly
C. already
D. easily
患者,男,20岁,进食后突发上腹痛,撕裂样,迅速波及全腹,3小时后于急诊求治,既往有溃疡病史,腹肌紧张,全腹压痛,肠鸣音弱,WBC 10.1×109/L。
目前最适宜的处置方式是
A.胃肠减压,抗炎抑酸补液治疗
B.迷走神经切断术
C.单纯修补病灶
D.高选择性迷走神经切断术
E.胃大部切除