【单选题】Which of the following statement is true?
A.
Shyness helps us to live up to our full potential.
B.
Shyness enables us to understand ourselves better.
C.
Shyness block our chances to a rich life.
D.
Shyness has nothing to do with lack of self-esteem.
【单选题】新的电极表面存在小毛刺,通过对电极加压进行老炼处理,除去电极表面的小毛刺后,可以( )间隙的击穿电压,而且击穿电压的分散性减小。
【单选题】下列关于工程变更描述错误的是()。
B.
工程变更包括施工条件变更、技术规范与标准变更
D.
施工项目成本管理人员在计算、分析时,不包括将要发生工程量
【单选题】女,45岁,转移性右下腹痛10小时,查体:体温37℃,右下腹压痛,无肌紧张,反跳痛不明显,结肠充气试验阳性,闭孔内肌试验阴性,白细胞计数14×10/L,中性粒细胞0.84,诊断为急性阑尾炎、恰当的最佳处理是( )
【简答题】The jacket cooling system differs from that used on trunk piston engines only in the fact that LO cooler and the charge air cooler, which are seawater cooled, may be included in the same circuit. An e...
【单选题】Which of the following electrical events is characteristic of inhibitory synaptic interactions?
A.
A neurotransmitter agent that selectively opens ligand-gated chloride channels is the basis for an inhibitory postsynaptic potential
B.
Because the Nernst potential for chloride is about -70 mV, chloride ions tend to move out of the cell along its electrochemical gradient
C.
A neurotransmitter that selectively opens potassium channels will allow potassium to move into the cell
D.
An increase in the extracellular sodium concentration usually leads directly to an inhibitory postsynaptic potential
【简答题】工程变更包括工程量变更、工程项目变更、进度计划的变更和施工条件的变更等。
【单选题】患者女性,45岁。转移性右下腹疼痛14小时,检查确定为急性阑尾炎而行手术。术中发现阑尾化脓坏疽,头部已穿孔,腹腔内有较多脓性液体。术后第4天,体温38.7°C。患者诉切口疼痛加重,局部肿痛明显,有黄色分泌物溢出。考虑该患者可能存在: