【单选题】15-17病人男性,因十二指肠溃疡并发瘢痕性幽门梗阻,反复呕吐宿食,消瘦,皮肤干燥,弹性减退。入院后经充分术前准备,行胃大部切除术。17. 手术后若发生胃肠吻合口出血,最早出现的临床表现是
【单选题】When did hydroelectric power was universally considered as an environmentally safe and clean means of electricity generator?
C.
In the middle .years of 20th century.
【单选题】生,因十二指肠溃疡并发瘢痕性幽门梗阻,反复呕吐宿食,消瘦,皮肤干燥,弹性消失。入院后经充分术前准备,在硬脊膜外麻醉下行胃大部切除术。 术后若发生胃肠吻合口出血,最早出现的临床表现是:
【单选题】(3)术后若发生胃肠吻合口出血,最早出现的临床表现是
【单选题】术后若发生胃肠吻合口出血,最早出现的临床表现是
【简答题】Exploiting hydroelectric power resource can cost billions of dollars, for hydroelectric plants normally have ______ .
【简答题】Global hydroelectric power in theory is approximately ______ than the amount that has been taken advantage of today.
【单选题】生,因十二指肠溃疡并发瘢痕性幽门梗阻,反复呕吐宿食,消瘦,皮肤干燥,弹性消失,入院后经充分术前准备,在硬膜外麻醉下行胃大部切除术。术后若发生胃肠吻合口出血,最早出现的临床表现是
【单选题】生,因十二指肠溃疡并发瘢痕性幽门梗阻,反复呕吐宿食,消瘦,皮肤干燥,弹性消失,入院后经充分术前准备,在硬膜外麻醉下行胃大部切除术。术后若发生胃肠吻合口出血,最早出现的临床表现是
【单选题】A drawback to low head hydroelectric power stations is that they depend on ______ .
C.
seasonal wind direction
D.
the earth's self rotation