男性，45岁，间歇性水肿8年，伴有恶心、呕吐1周，查：Hb80g/L，BP156/110mmHg，尿蛋白++，颗粒管型2~3个/HP，尿比重1.010~1.012，若查出患者血肌酐900μmol/L，24小时尿量600ml，则肾功能状况是（）
A.肾脏可代偿
B.肾小球滤过轻度受损
C.肾小球滤过功能明显受损
D.肾小管排泌功能受损
E.肾小管重吸收功能受损
参考答案：C
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| If you go to a fast food restaurant, you can see a lot of teenagers. Today many teenagers are very 1 , and that is because of their bad eating habits. Most teenagers love food 2 a lot of fat, oil, salt and sugar. People often call this kind of food "junk food". But bad eating habits are 3 than fast food. We find many teenagers eat unhealthily. Some don't have _4 before they go to school. During the day, some don't have a proper meal for lunch. In a survey at one school, scientists 5 that over two thirds of the students didn't follow a _6 diet. They didn't like vegetables, and many of them didn't like to eat fruit. Parents today 7 worry about their children's diet. Some doctors give the following advice: Teenagers shouldn't eat 8 junk food. Teenagers shouldn't eat food with too much 9 . Salty food can cause high blood pressure in the future. Teenagers should eat food with 10 fat, oil, and sugar. Teenagers need to eat some fruit and vegetables every day. Fruit and vegetables are rich in vitamins and have little fat. | ||||
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