要反映某一城市连续5年甲型肝炎发病率的变化趋势,宜选择的统计图是A.直条图B.线图C

题型:单项选择题

问题:

要反映某一城市连续5年甲型肝炎发病率的变化趋势,宜选择的统计图是

A.直条图
B.线图
C.直方图
D.圆图
E.散点图

考点:公卫执业助理医师公卫执业助理医师
题型:单项选择题
阅读理解。
     At the shopping mall, you probably think about spending, not saving. Think about all the lights that keep
the mall bright. Think about all the water faucets (水龙头) in the toilet. Think about all the air conditioning
in summer. Saving energy is a hot topic for such a big place!
     Many things at the mall use energy. Electric lights, infrared (红外感应) faucets and air-conditioners need
electricity to work. One way to save energy is by keeping lights clean. More and more dust and dirt make the
lights less bright. When malls keep lights clean, they can use fewer lights and keep the area just as bright,
Using fewer lights means using less energy. You step up to the water faucet. The water starts to flow. You
don't have to touch a thing. Why do malls have such fancy faucets? The answer is simple. They save water.
Sometimes people forget to turn the water off after they wash. Infrared faucets turn themselves off. The……
1._____ is a hot topic for a big mall.
[ ]
A. To spend money
B. To save energy
C. To keep the mall bright
D. To buy things
2. Malls use infrared faucets mainly because _____.
[ ]
A. they save water
B. they are fancy
C. they are simple
D. they turn themselves off
3. Which of the following cannot save energy?
[ ]
A. Using fewer lights.
B. Using infrared faucets.
C. Using air-conditioners
D. Keeping lights clean.
4. What will the fourth paragraph probably talk about?
[ ]
A. How to save water when using infrared faucets in the mall
B. How to save energy when using air-conditioners in the mall
C. How to save money when shopping in the mall.
D. How to spend money when shopping in the mall.
5.The best title for the passage is _____.
[ ]
A. Lights, faucets and air-conditioners
B. Spending less money
C. Energy saving at the mall D.A hot topic
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题型:单项选择题

患者,女,30岁。大便4日未行,今日排便后肛门疼痛剧烈,持续数小时未缓解,手纸染血,舌偏红,脉弦数。检查:截石位6点肛管见纵行梭形裂口,边缘整齐而有弹性。其诊断是()

A.肛裂

B.混合痔

C.血栓性外痔

D.肛隐窝炎

E.肛周脓肿

题型:单项选择题

合理用药应包括哪几方面?

题型:单项选择题

简述BOIA的功能。

题型:单项选择题

目前光纤不能将铜线淘汰.主要原因是().

A.用光纤要比采用铜线贵

B.宽带业务尚未成为大众所需

C.以上两者都是

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