问题
单项选择题
肾小球肾炎的损害，首先表现为（）。
A.血尿酸升高
B.尿酚红排泄率减低
C.血肌酐下降
D.血尿素氮下降
E.内生肌酐清除率减低
答案
参考答案：E
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肾小球肾炎的损害，首先表现为（）。
A.血尿酸升高
B.尿酚红排泄率减低
C.血肌酐下降
D.血尿素氮下降
E.内生肌酐清除率减低
参考答案：E
Many people have to work 46 . Some people do not mind. Other people think it’s terrible. One man thinks that working at the weekends can be 47 . He is George Smith. Mr Smith works in an office, in Brighton, England. On Saturday, May 24, 1986, he went to the office to do some work. After he 48 the lift, it stopped between floors. Mr Smith could not get out of the lift. He began to shout, but 49 heard him. Then Mr Smith remembered that it was a holiday in England. No one was going to come to work 50 Tuesday. There was 51 for Mr Smith to do. He had to wait until one of his workmates came to work and found him. With nothing to 52 , Mr Smith was very hungry and had to sleep most of the time. Early on Tuesday morning, one of his workmates came into work and found the lift 53 . When the lift was opened, Mr Smith came out cold, weak, and tired. He had been in the lift for 54 hours! Now Mr Smith says, "I only use lifts if they have 55 in them. "
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