麻醉前常用的药物主要有哪些种类?并举例。

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问题:

麻醉前常用的药物主要有哪些种类?并举例。

考点:四川住院医师外科学外科住院医师综合练习外科住院医师综合练习题库
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对于尖端扭转型室速的病人,不宜选用下列哪种药物抗心律失常治疗()

A.镁盐

B.普萘洛尔(心得安)

C.异丙肾上腺素

D.普罗帕酮

E.利多卡因

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阅读理解。

     It may help you to know that there is no such thing as a perfect speech. At some point in every speech,

every speaker says something that is not understood exactly as he has planned. Fortunately,such moments

are usually not obvious (明显的) to the listeners. Why? Because the listeners do not know what the speaker

plans to say. They hear only what the speaker does say. If you lose your place for a moment, wrongly change

the order of a couple of sentences, or forget to pause at a certain place, no one will be wiser. When such

moments occur, don't worry about them. Just continue if nothing happened.

     Even if you do make an obvious mistake during a speech, that doesn't really matter. If you have ever

listened to Martin Luther Kings famous speech-"I have a Dream", you may notice that he stumbles (结巴)

over his words twice during the speech. Most likely, however, you don't remember. Why? Because you were

fixing your attention on his message rather than on his way of speech-making.

     People care a lot about making a mistake in a speech because they regard speech-making as a kind of

performance rather than as an act of communication (交流). They feel the listeners are like judges in an ice-

skating competition. But, in fact, the listeners are not looking for a perfect performance. They are looking for

a well-thought-out speech that expresses the speaker's ideas clearly and directly. Sometimes a mistake or two

can actually increase a speaker's attractiveness by making him more human.

     As you work on your speech, don't worry about being perfect. Once you free your mind of this, you will

find it much easier to give your speech freely.

1. The underlined part in the first paragraph means chat no one will _____.

A. be smarter than you

B. notice your mistakes

C. do better than you

D. know what you are talking about

2. You don't remember obvious mistakes in a speech because _____.

A. your attention is on the content

B. you don't fully understand the speech

C. you don't know what the speaker plans to say

D. you find the way of speech-making more important

3. It can be inferred from the passage that _____.

A. giving a speech is like giving a performance

B. one or two mistakes in a speech may not be had

C. the listeners should pay more attention to how a speech is made

D. the more mistakes a speaker makes, the more attractive he will be

4. What would be the best title for the passage?

A. How to Be a Perfect Speaker

B. how to Make a Perfect Speech

C. Don't Expect a Perfect Speech

D. Don't Expect Mistakes in a Speech

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口腔中的主要致龋菌是()

A.变形链球菌

B.溶血链球菌

C.乳酸杆菌

D.唾液链球菌

E.放线菌

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拍卖标的有瑕疵未被声明的,受损害的买受人有权向( )要求赔偿。

A.拍卖人

B.委托人

C.拍卖师

D.出卖人

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张某将其一项商标权转让给王某,双方约定分两次支付款项,第一次3600元,第二次8400元。张某就此两项所得应缴纳个人所得税( )元。

A.1890

B.1920

C.1810

D.1904

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