在尿中不易析出结晶，适用于泌 * * 感染的（）
A.诺氟沙星
B.磺胺异唑
C.环丙沙星
D.磺胺嘧啶银
E.甲氧苄啶
参考答案：B
解析：5.甲氧苄啶为磺胺增效剂，其抗菌谱与磺胺药相似。磺胺异唑在尿中不易析出结晶，适用于泌 * * 感染。诺氟沙星是第一个用于临床的氟喹诺酮类药。磺胺嘧啶银对铜绿假单胞菌抑制作用强，可用于烧伤。环丙沙星是目前应用最广的氟诺酮类药。
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| My First Job furniture I was six when I joined my father and two elder brothers at sunrise in the fields of Eufaula, Okla. 1 the time I was eight I was helping Dad fix up old furniture. He gave me a cent for every nail I 2 out of old boards. I got my first 3 job, at JM's Restaurant in town, when I was 12. My main responsibility. (职责) were 4 tables and washing dishes, 5 sometimes I helped cook. Every day after school I would 6 to JM's and work until ten. Even on Saturdays I 7 from two until eleven. At that age it was difficult going to work and 8 my friends run off to swim or play. I didn't necessarily like work, but I loved what working 9 me to have. Because of my 10 I was always the one buying when my friends and I went to the local Tastee Freez. This made me 11 . Word that I was trustworthy and hard-working 12 around town. A local clothing store offered me credilt (赊帐) 13 I was only in seventh grade. I immediately 14 a ＄68 sports coat and a ＄22 pair of shoes. I was 15 only 65 cents an hour, and I already owed the storekeeper ＄90! So I learned 16 the danger of easy credit. I paid it 17 as soon as I could. My first job taught me self-control, responsibility and brought me a 18 of personal satisfaction few of my friends had experienced. As my father, 19 worked three jobs, once told me, "If you 20 sacrifice (奉献) and responsibility, there are not many things in life you can't have." How right he was. | ||||
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