口腔黏膜防御屏障包括 A.唾液屏障 B.上皮屏障 C.免疫细胞屏障 D.免疫球蛋白屏

题型:单项选择题

问题:

口腔黏膜防御屏障包括

A.唾液屏障

B.上皮屏障

C.免疫细胞屏障

D.免疫球蛋白屏障

E.以上都是

考点:口腔执业助理医师口腔助理医师模拟题六2014年
题型:单项选择题
I always remembered the first time I took part in an English composition competition. “Right! Dean would be the        of our class to participate in the English composition competition,” my classmates said. (Applauding)
I was too       to speak when I heard what my classmates said. In order not to    short of my classmates’      , I trained myself very hard for the hope of being the      of the competition, which would take place a month later. I     a lot of vocabulary, sentence structures and        rules and read many good or renowned articles. Not having I       pretty well, the day came. Every candidate     me looked so well – prepared and       . “Only 1.5 hours. Start,” a supervisor suddenly said. Seeing the      “What do most teenagers concern nowadays?” I was nervous and got     block. What’s worse, other candidates had begun writing. Moments later, I        myself, took a deep breath, and began brainstorming ideas      the topic. I quickly wrote down the composition structure, central theme, and     necessary elements. As the finishing time was     , I tried my best to accelerate my writing. Unfortunately,       my failure of time management, I left my composition incomplete. My final draft looked like a robot      legs were broken.
The result came out two weeks later. To my surprise, I got the second prize! All my classmates cheered for me. This encouraged me a lot.       I was not the first prize winner, I could still      the scent of pride and happiness spreading around me.
小题1:
A.playerB.choice C.representativeD.person
小题2:
A.proudB.delightedC.nervousD.surprised
小题3:
A.getB.beC.loseD.fall
小题4:
A.promisesB.expectationsC.dreamsD.words
小题5:
A.successB.beaterC.winnerD.victory
小题6:
A.memorizedB.copiedC.readD.wrote
小题7:
A.grammarB.phraseC.patternD.term
小题8:
A.rememberedB.preparedC.startedD.completed
小题9:
A.besidesB.exceptC.except forD.as well as
小题10:
A.easyB.nervousC.interestedD.unconfident
小题11:
A.problemB.ideaC.topicD.theme
小题12:
A.writer’sB.teacher’sC.thinker’sD.composer’s
小题13:
A.persuadedB.toldC.encouragedD.calmed
小题14:
A.withB.towardsC.atD.for
小题15:
A.another B.the otherC.otherD.others
小题16:
A.approachingB.accessingC.finishingD.ending
小题17:
A.thanks forB.due toC.as a resultD.on account
小题18:
A.of whichB.whichC.whoseD.that
小题19:
A.HoweverB.As a resultC.Worse stillD.Although
小题20:
A.smellB.touchC.senseD.realise
题型:单项选择题

脑膜中动脉 ( )

A.发自颈内动脉

B.发自上颌动脉

C.经圆孔入颅

D.经卵圆孔入颅

题型:单项选择题

论述浮选机的工作原理?

题型:单项选择题

2007年1月,国内一家服装出口企业与美国某企业签订出口订单1000万美元,当时美元/人民币汇率为1:7.80,合约总价值为7800万元人民币,生产和运输成本为7000万元人民币,预计毛利为7800-7000=800(万元人民币)。6个月后交货时,人民币已经大大升值,美元/人民币汇率为1:7.64,则结算到手的1000万美元折合人民币为7640万元,此时毛利为7640-7000=640(万元人民币)。由于人民币汇率的变动,该服装出口企业损失了160万元人民币。
要求:针对这一事件,该公司总经理约见总会计师,探讨今后如何避免类似损失发生。假设你是该公司的总会计师,你会对此发表哪些看法

题型:单项选择题

冷风机启动前,应检查的内容包括()。

A.电动机传动机构是否良好

B.叶片及防护罩是否完整

C.叶片与风筒、外壳有无摩擦

D.转动是否轻快

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