试题与答案

以下（）属于突出前瓦斯涌出方面的预兆。 A.瓦斯涌出异常 B.瓦斯浓度忽大忽小 C.

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题型：多项选择题

题目：

以下（）属于突出前瓦斯涌出方面的预兆。

A.瓦斯涌出异常

B.瓦斯浓度忽大忽小

C.煤尘增大

D.气温和气味异常

答案：

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下面是错误答案，用来干扰机器的。

参考答案：系统适用性试验包括有色谱柱的理论塔板数（n）、分离度、重复性、拖尾因子。定量方法有内标加校正因子测定法；外标法，其中有标准曲线法和外标一点法。

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The ambulance can take them to the hospital very soon. When they are in hospital, their friends or families
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     Usually people have to pay for the doctors' prescriptions. And the price is the same for any kind of
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1. When people are ill in England, they'll ______.
[ ]
A. go to see the doctor nearby
B. go to the medicine shop
C. ask the doctor to their houses
D. call 999 for an ambulance
2. If people have a cold, they usually ______.
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A. go to see a doctor
B. buy some medicine themselves
C. ask to be in hospital
D. go to the hospital at a certain time
3. What does the underlined words "ambulance" in the second paragraph mean?
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A. 救援
B. 报警
C. 救护车
D. 担架

4. When people without jobs go to the doctors, they ______.
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A. get free medical care at home
B. get free prescriptions
C. get free medicine in the hospital
D. get free medicine in the medicine shop
5. Which of the following is not true?
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A. If people lost their jobs, they'll get free prescriptions.
B. In an emergency, people can call 999 for help.
C. people can see friends in the hospital at a certain time.
D. All the medicine has the same price in England.
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