【判断题】18和广域网相比,局域网具有较低的延迟和误码率。
【单选题】The clerks put his name under the wrong letter ______.
B.
because they were human beings
C.
because he had a strange name
D.
by pronouncing his name incorrectly
【单选题】Mark Twains friend likedto stay under the seat while traveling.A.Right B.Wrong###
A.
Mark Twains friend likedto stay under the seat while traveling. A.Right
【简答题】A.Jobless. B.Wrong idea about the work they do. C.Choose their careers under the influence of these false images. D.Void certain careers.
【单选题】下列八种机械零件:a.千斤顶中的螺旋;b.柴油机的曲轴;c.车床的卡盘;d.起重机减速器中的齿轮;e.汽车发动机的汽缸盖螺栓; f.船舶推进器轴上的多环止推轴承;g.压气机上的三角带带轮;h.起重机的抓斗,其中有( )是通用零件而不是专用零件。
【单选题】姜女士56岁,肺癌骨转移第二次入院,疗效不佳,呼吸困难显著,疼痛剧烈。患者感到痛苦、悲哀,并试图自杀。对此期患者的护理中,不妥的一项是( )
【简答题】下列八种机械零件:a.汽车发动机的阀门弹簧;b.起重机的抓斗;c.气轮机的轮叶;d.车床变速箱中的齿轮;e.纺织机的织梭;f.飞机的螺旋桨;g.柴油机的曲轴;h.自行车的链条。其中有( )专用零件而不是通用零件。A. 三种 B. 四种 C. 五种 D. 六种
【单选题】The clerks put his name under the wrong letter ______.
B.
because they were haman beings
C.
because he had a strange name
D.
by pronouncing his name incorrectly
【单选题】姜女士56岁,肺癌骨转移第二次入院,疗效不佳,呼吸困难显著,疼痛剧烈。患者感到痛苦、悲哀,并试图自杀。 此期心理反应属于
【多选题】下列五种机械零件:其中 _ _ ___是通用零件。