职业中毒是劳动者在生产过程中接触哪类物质而引起的A.生产性毒性 B.化学物 C.化学

题型:单项选择题

问题:

职业中毒是劳动者在生产过程中接触哪类物质而引起的

A.生产性毒性

B.化学物

C.化学原料

D.有害物

E.各种生产原料

考点:公卫执业医师公卫执业医师
题型:单项选择题

下列膝关节疾病与相关检查的临床意义,错误的是()。

A.膝关节积液:浮髌试验(+)

B.后交叉韧带断裂:前抽屉试验(+)

C.后交叉韧带断裂:后抽屉试验(+)

D.半月板损伤:麦氏(McMurray)试验(+)

E.髌骨软骨软化症:髌骨摩擦试验(+)

题型:单项选择题

逆转录是指

A.以RNA为模板合成RNA

B.以DNA合成DNA

C.以DNA合成RNA

D.以RNA合成蛋白质

E.以RNA为模板合成DNA

题型:单项选择题
阅读下面短文,从短文后各题所给的四个选项A、B、C和D中,选出空白处的最佳选项,并在答题卡上将该项涂黑。
Tips to keep a hearty conversation flowing
On holidays we typically gather with our nearest and dearest. But    36   can be made, maintained and broken through the ways we talk to our loved  _37___, according to Deborah Tannen, a George-town University professor in linguistics(语言学). She has suggestions   as to  how we can  38    communications at our festival dinner tables. Let’s take a look.
*A  round dinning table is best for promoting a     39    conversation because
everyone   40     each other.
*Avoid _41_ grandparents at the ends of a rectangular(长方形的) table, even though it is the traditional place of __42__. Elderly people may feel lonely there if they are unable to hear or keep __43__ a conversation.
*__44__ prefer to face each other and make eye contact when they talk. In contrast, men tend to look around at other things. “Guys may be more   45    keeping gazing on the TV,” says Tannen. “They’ll still be _46__, though.”
*Be aware that people have different ways of talking. Each person has a different __47__ of tone, rhyme, timing and how _48__ of a pause is normal in a conversation. Watch for people who seem left __49__. If you feel you are doing all the talking, hold back to give others a 50  .If you feel you aren’t getting a chance to speak, try pushing yourself to start  51    .
*People sometimes get upset on big festivals _52 they stay too long in the apartment. Some families find that gatherings go more __53__ if they plan for some fun _54___. So why not get a breath of fresh air? Going to a park for a walk or taking a trip to the zoo may be more__55__ than just sitting around inside.
小题1:
A.demandsB.relationshipsC.victoriesD.mistakes
小题2:
A.onesB.thoseC.othersD.them
小题3:
A. bother B.delay C. damageD.improve
小题4:
A.lively B.shortC. calmD.dull
小题5:
A.scoldsB.blamesC.facesD.annoys
小题6:
A.checking B.hidingC.seatingD.hurting
小题7:
A.pity B.sorrowC.intelligenceD.honor
小题8:
A.up withB.offC. away fromD. out of
小题9:
A.Grown-upsB.MenC.PeopleD.Women
小题10:
A.surprisedB.relaxed C.encouraged D.upset
小题11:
A.thinkingB.doubting C.listeningD.looking
小题12:
A.matterB.senseC.direction D.point
小题13:
A. oftenB. longC. soonD. far
小题14:
A. outB. behindC. overD. off
小题15:
A.rewardB.giftC.handD.chance
小题16:A. talking       B  singing       C.  dancing       D. playing
小题17:
A.until B.ifC.thoughD.since
小题18:
A.naturallyB.coldlyC.quicklyD.smoothly
小题19:
A.indoorsB.outsideC.insideD.everywhere
小题20:
A.abstractB.bitterC.enjoyableD.cruel
题型:单项选择题

在焦炉各管道上安装的孔板要有足够的()才能精确地调节各燃烧室的煤气量。

A、流量

B、压力

C、阻力

D、煤气流速

题型:单项选择题

业务员与代理商之间发生矛盾或纠纷,此问题10000号是否可以受理?请说明理由。

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