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问题 问答题

简述感染性腹泻的发病机制。

答案

参考答案：感染性腹泻的发病机制是由于细菌、毒素或病毒等造成肠黏膜分泌旺盛、水分吸收减少或全不吸收及肠蠕动亢进导致腹泻，出现脱水、酸中毒和电解质紊乱。

完形填空

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。

Why is pink or purple a color for girls and blue or brown for boys?

The answer depends largely    小题1:   cultural values as well as personal experiences. To the Egyptians, green was a color    小题2:   represented the hope and joy of spring, while for Muslims, it means heaven. Red is a symbol of good luck in many cultures. During the Spring Festival in China, children    小题3:  (give) money in a red envelope to bring good fortune in the New Year. For many nations, blue is a symbol of protection and religious beliefs. Greek people often wear a blue necklace hoping to protect    小题4:   against evils（灾祸）.

People’s    小题5:  (choose) of colors is also influenced by their bodies’ reactions toward them. Green is said to be    小题6:   most restful color. It has the ability to reduce pain and relax people both mentally    小题7:   physically. People    小题8: (work) in green environment have been found to have fewer stomach aches.

Red can cause a person’s blood pressure to rise and increase people’s appetites（食欲）. Many decorators will include different shades of red in the restaurant. And many commercial websites will have a red “Buy Now” button because red is a color that    小题9:  (easy) catches a person’s eye.

Blue is another calming color. Unlike red, blue is believed to cause people to lose appetite. So    小题10:   you want to eat less, some suggest that eating from blue plates can help.
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单项选择题

患儿男性，7岁，4周前患扁桃体炎，近日眼睑水肿、尿少，伴肉眼血尿，血压135/90mmHg。该患儿最可能的诊断是

A．急性肾小球肾炎
B．慢性肾炎
C．单纯性肾炎
D．肾炎性肾病
E．急进性肾炎
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