问题 问答题 简答题

婴幼儿肺炎的X线胸片有哪些特点?

答案

参考答案:

婴幼儿胸片有以下特点:①多为仰卧位投照,故胸廓短小,横膈高位。②肺野狭小、纵隔影宽。③肺门影小,肺纹理细,且多与心影重叠。④呼气、吸气相不易控制。婴幼儿肺炎的特点是:①小叶性肺炎最多见。②肺炎早期出现局限性肺气肿。③病灶多分布于下肺野内中带偏后方,呈边界清楚,密度较高的小三角形成斑点状致密影,其间常夹杂小泡性透亮区。

阅读理解

阅读理解。

     As we know, there are differences between western culture and Chinese culture. We can see differences

when we pay attention to the way words are used. Let's look at the words about animals and plants. Most

expressions in Chinese about the dog, for example, "a homeless dog","a mad dog","a running dog" and "a dog

catching a mouse", have negative* meanings. But in western countries, dogs are thought to be honest and

good friends of humans. In English, people use the dog to describe positive* actions. For example,"you are

a lucky dog" means you are a lucky person. And "every dog has its day" means each person has good luck

sometimes. To describe a person's serious illness, they say"sick as a dog". The word "dog-tired" means very

tired. However, Chinese love cats very much. But in western culture,"cat" is often used to describe a woman

who is cruel*.

     The rose is regarded as a symbol* of love in both China and some western countries. People think the rose

means love, peace, courage and friendship. And the rose is the national flower of England, America and many

other countries.

     The words about plants and animals are used in positive or negative ways in different cultures. We can

learn about many differences in cultures by comparing how some words are used.

1. "Every dog has its day." means"_______".

A. Everybody in the world is lucky.

B. Each person lives his own way of life.

C. If one works hard, he's sure to succeed.

D. Everybody has a time in life to be lucky.

2. Western people usually use "cat" to refer to "_______".

A. a tired person

B. a brave man

C. a homeless person

D. an unkind woman

3. Which of the following is true according to the passage?

A. Words show differences in culture.

B. Chinese people prefer dogs to cats.

C. Western people think cats to be good friends.

D. Rose is the national flower of all western countries.

4. What's the best title for the passage?

A. Negative or Positive

B. Different Countries Have Different Culture

C. Rose Means the Same in Chinese and English

D. What Dog and Cat Mean in English and Chinese

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