问题
单项选择题
下列对鉴别上、下尿路感染最有意义的是( )
A．中段尿细菌培养阳性
B．尿路刺激症状
C．畏寒、发热、腰痛
D．肾小管浓缩功能正常
E．尿中白细胞管型
答案
参考答案：E
解析：尿路感染可分为上尿路感染(主要是肾盂肾炎)和下尿路感染(主要是膀胱炎)。尿常规检查时尿蛋白常为阴性或微量，尿沉渣内白细胞多数显著增加，如发现白细胞管型有助于肾盂肾炎的诊断。
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下列对鉴别上、下尿路感染最有意义的是( )
A．中段尿细菌培养阳性
B．尿路刺激症状
C．畏寒、发热、腰痛
D．肾小管浓缩功能正常
E．尿中白细胞管型
参考答案：E
解析：尿路感染可分为上尿路感染(主要是肾盂肾炎)和下尿路感染(主要是膀胱炎)。尿常规检查时尿蛋白常为阴性或微量，尿沉渣内白细胞多数显著增加，如发现白细胞管型有助于肾盂肾炎的诊断。
| 阅读理解。 |
| Many people like to search the Internet. Exploring the Internet is one of the most important activities of the day. The Internet brings the outside world closer to people's homes. Some people say the world is smaller than before because of the Internet. What's going on in other countries? How do people live in places far away? Is there a good sports game so mewhere? What's the life in the deepest part of sea? If you want answer all these questions, just come to the Internet. Of course, people can also learn through reading or listening to the radio. But with the Internet they can learn better and more easily. A lot of information can be collected at a great speed. Can we go shopping without leaving home? Can we see a doctor without going to the hospital? Can we study without going to school? Can we draw money without going to bank? All these things seemed to be impossible, but now they have become quite possible. The Internet helps us open our eyes. The Internet also helps open our minds. The Internet often gives us new ideas. In a word, it helps us in many ways. Great changes have taken place in our life since the appearance of the Internet. |
| 1. Some people say the world is smaller than before because _____________ . |
[ ] |
| A. all people kike to search the Internet. B. the Internet makes the earth smaller in size C. the Internet brings the outside world closer to them |
| 2. The sentence "The Internet also helps us open our mind." means _______ . |
[ ] |
| A. the Internet is new to us B. something is wrong with our minds C. we can learn more with the help of the Internet |
| 3. We can't ________ through the Internet. |
[ ] |
| A. know a good sports match somewhere B. cook the meal C. know a lot of information |
| 4. This passage has told us __________. |
[ ] |
| A. it's helpful to explore the Internet B. not to explore the Internet any more C. to stop reading and to explore the Internet |
| 5. Which of the following sentences is Not true? |
[ ] |
| A. The Internet can get the information faster than reading B. Without leaving home, we can get money from the bank by radio C. People can learn better and more through the Internet |