【单选题】Students should do everything they can _______ their study. [ ]
【简答题】视距测量误差的主要来源有大气竖直折光的影响距丝的()、()。
【简答题】To cure the snoring problems, surgery can be used to improve ______.
【简答题】测量误差的主要来源有( )误差、( )误差、理论误差和方法误差、( )误差四种。
【单选题】男性,50岁,因十二指肠溃疡急性穿孔行胃大部切除,毕Ⅱ式,术后第6天突然出现上腹部剧烈疼痛,局部压痛、肌紧张及反跳痛,继而发热38.2℃,应首先考虑
【单选题】患者,男性,55岁。毕Ⅱ式胃大部切除术后第1天,突发剑突下剧痛。查体:腹肌紧张,全腹压痛、反跳痛,剑突下最明显。若该病人在术后第6天出现上述临床表现,以下治疗方法最恰当的是()
【单选题】It can be inferred from the passage that______.
A.
people can improve their sleeping if they sleep more hours than usual
B.
in order to sleep more soundly at night, people can take a nap at noon
C.
the nine-step treatment for insomniacs was developed by Arthur Spielman
D.
approximately 15 percent of the people are suffering insomnia
【单选题】It is clear that your ____ English will greatly improve if you can practice ____ wherever you can.
【单选题】十二指肠切除术。术后第6天,突发腹痛、发热,腹腔引流管周边流出清亮液体,应考虑患者发生了