电接点信号压力表常使用在不需要控制压力的管线或设备上,作为流量和压力的报警之用。

题型:判断题

问题:

电接点信号压力表常使用在不需要控制压力的管线或设备上,作为流量和压力的报警之用。

考点:输气工考试输气工初级输气工初级题库
题型:判断题

女性,34岁,使用1%普鲁卡因0.3g行局部浸润麻醉后,出现不安、呼吸和心率增快、血压升高、肌肉震颤,对此种情况的预防和处理措施中正确的是()

A.药物直接注入血管

B.一次性给足量麻醉药

C.普鲁卡因中加少量肾上腺素

D.发生毒性反应时应减少用药量

E.虚弱病人对药物反应较弱,应增加药量

题型:判断题

如图为一圆柱形的玻璃棒过中心轴线的剖面图,该玻璃的折射率为n=

3
,现有一束光线l 从AB面射入,入射角θ=60°,则折射角α=______,该束光线能否从 AD边射出______(填“能”或“不能”)

题型:判断题

完形填空(共20小题;每小题1分,满分20分)

阅读下面短文,掌握其大意,然后从21—40各题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题纸上将该项涂黑。

I wouldn’t ask for a dressing room. My mom always asked for me.

The evening before I had   21 risen from my seat and piled on excess (过量) noodles. Then I licked(舔)my bowl with the buttered garlic bread,   22 no evidence of the four servings I had eaten greedily. In the morning I would be forced to lie on my bed and suck in my   23  just to button my jeans. I feared school   24 . The sale rack, with its slender size markers, knew my number continued to grow.

I learned   25  to eat from my dad: fast and without thinking. In our house, the dinner table involved   26 ,with the children on defense. One   27  move and our dinner would be snatched off our plates without warning and eaten up by our father   28  than we could blink. We soon learned to keep a hand up while   29  our chicken, and if Mom decided to cook that night we needed to hurry and get   30  before it was gone.

Only one pair of jeans I tried on fit. I   31  and told my mother I could button every pair but only needed the jeans that lay   32  in my hands. We walked to the checkout.

I kept my head down as we passed a group of girls. They   33 . I glanced up only long enough to know my place. Their   34  cut at me, hands cupped over their mouths in secrecy.

The shop was about to close and I   35  two girls in my third grade class out.

“I like your pants. Where did you get them?” Marcy asked Alicia. I nodded in agreement,   36 they had removed their cupped hands and I could hear the   37 .

“Really? I like yours better,” Alicia replied.

“We should trade. What   38  are you?” Marcy asked.

“I don’t know …” Alicia said, finding the tag in the back of her pants. “Seven.”

“Me too,” Marcy said.

I   39  in line as I held the jeans, tag folded in so   40  could see the number on it was 12. I am not a size seven.

21.A.hurriedly             B.hungrily              C.repeatedly           D.worriedly[

22.A.leaving               B.offering              C.collecting            D.examining

23.A.stomach              B.legs                    C.waist                   D.hands

24.A.uniforms             B.meals                  C.holiday               D.shopping

25.A.what                   B.how                    C.why                    D.when

26.A.battle                  B.game                  C.strike                  D.debate

27.A.big                     B.unusual               C.false                   D.bold

28.A.harder                 B.further                C.earlier                 D.faster

29.A.swallowing          B.biting                  C.tasting                 D.cooking

30.A.excuses               B.seconds               C.opportunities       D.demands

31.A.ordered               B.lied                     C.paid                    D.promised

32.A.closed                 B.guided                C.guarded               D.satisfied

33.A.laughed               B.murmured           C.shouted               D.whispered

34.A.mouths               B.hands                  C.eyes                    D.ears

35.A.led                     B.followed             C.invited                D.walked

36.A.thankful              B.afraid                  C.anxious               D.excited

37.A.interview            B.conversation        C.question              D.report

38.A.number               B.size                     C.color                   D.weight

39.A.jumped               B.waited                 C.cried                   D.hid

40.A.everybody           B.anybody              C.nobody               D.somebody

题型:判断题

()是指证券公司根据有关法律、法规和投资委托人的投资意愿,作为管理人,与委托人签订资产管理合同,将委托人委托的资产在证券市场上从事股票、债券等金融工具的组合投资,以实现委托资产收益最大化的行为。

A.证券资产管理业务 

B.融资融券业务 

C.证券投资咨询业务 

D.证券经纪业务

题型:判断题

苯海索治疗帕金森病的作用机理主要是:

A.激动黑质-纹状体通路的多巴胺受体

B.阻断外周的M胆碱受体

C.促进中枢释放多巴胺

D.抑制外周左旋多巴脱羧转变为多巴胺

E.阻断中枢黑质-纹状体通路的M胆碱受体

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