有关颈外静脉的形成,下列哪项是正确的()A.由下颌后静脉后支与耳后静脉汇成 B.由下

题型:单项选择题

问题:

有关颈外静脉的形成,下列哪项是正确的()

A.由下颌后静脉后支与耳后静脉汇成

B.由下颌后静脉前支与耳后静脉汇成

C.由下颌后静脉前后支汇成

D.由下颌前静脉与面后静脉汇成

E.由面总静脉和耳后静脉汇成

考点:口腔外科(医学高级)解剖与生理解剖与生理题库
题型:单项选择题

某梯形钢屋架跨度24m,屋架端部高度1.5m,厂房单元长度66m,柱距6.0m,在厂房的端开间和中部开间设竖向支撑,竖向支撑计算简图如图14-4所示。屋面材料为1.5m×6.0m的钢边框发泡水泥大型屋面板,屋面坡度为1/10,抗震设防烈度8度,经计算图中节点力F=33.95kN,地震作用下杆件内力见图中括号内数值。节点板厚度6mm,钢材用Q235,焊条E43型。=0.80。

腹杆选用L63×5,A=6.143cm,imin=1.25cm,试问,对地震作用下的腹杆进行稳定性验算,其构件上的最大受压设计值N(kN),与下列何项数值最为接近()?

A.28

B.30

C.35

D.41

题型:单项选择题
One sunny afternoon, a seven-year-old girl went for a walk. She crossed a large area of grassland into the woods    21  she realized that she was lost.
Sitting on a rock and   22  what to do, she began crying.  After a while. She  23  to walk along a wide path lined with tall trees and thick bushes.   24  it was getting dark, she saw a small, dark wooden house. She opened the door and   25 stepped in. Suddenly, she heard a strange noise, and she ran out the door and back to the   26 . Cold and tired, she fell asleep near a   27 .
The girl’s parents were out and her dog, Laddy, was at home. Laddy   28  that his mistrees(女主人)was in danger. He jumped   29  a window, breaking the glass. He looked in the fields. But he couldn’t find his mistress anywhere. However, from the ground came a   30 scent (气味) as he lowered his head. He  31  the scent and walked across the grassland. Barking   32  into the air, the dog   33  through the woods until he found the  34  . But the girl was not there, so he headed back to the woods. Much to his
  35 , he saw his mistress’ blue shirt in the distance. He   36 over some bushes and saw the little stream, where the girl was   37 .
When she opened her eyes and   38  her dog standing beside her, the girl said, “you
 39  me, Laddy,” and she kissed him several times. Seeing their daughter and dog coming back, the parents burst into tears of   40 That night Laddy had a heror’s supper: a huge meal of steak
小题1:
A.sinceB.beforeC.whileD.as
小题2:
A.rememberingB.forgettingC.wonderingD.regretting
小题3:
A.preferredB.expectedC.decidedD.failed
小题4:
A.IfB.UntilC.WhenD.Because
小题5:
A.cautiouslyB.carelesslyC.hopelesslyD.unwillingly
小题6:
A.treesB.bushesC.grassesD. woods
小题7:
A.rockB.streamC.treeD.house
小题8:
A.sensedB.foundC.heardD.smelt
小题9:
A.atB.inC.throughD.onto
小题10:
A.terribleB.familiarC.pleasantD.strange
小题11:
A.followedB.discoveredC.missedD.ignored
小题12:
A.calmlyB.gentlyC.merrilyD.loudly
小题13:
A.lookedB.wanderedC.searchedD.travelled
小题14:
A.windowB.girlC.heroD.house
小题15:
A.delightB.disappointmentC.embarrassmentD.satisfaction
小题16:
A.climbedB.jumpedC.walkedD.flew
小题17:
A.awakeB.abandonedC.asleepD.available
小题18:
A.spottedB.sawC.observedD.watched
小题19:
A.rescuedB.comfortedC.disturbedD.scared
小题20:
A.reliefB.shockC.sorrowD.pain
题型:单项选择题

客房铅笔采用的品牌是()牌。

题型:单项选择题

国内生产总值(GDP)是衡量宏观经济活动水平的最核心的指标。在GDP核算中,净出口应该计入当年的GDP总量。

题型:单项选择题

操作定义在本质上是()假说理论与实际现象或客观事物之间的重要()。

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