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【单选题】
综合布线系统采用四对非屏蔽双绞线作为水平干线,若大楼内共有100个信息点,如下图所示,则建设该系统需要购买( )个RJ-45的水晶头。
A.
200
B.
230
C.
400
D.
460
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【简答题】Fill in the blanks with the words given below. Change the form where necessary. concerning representative advertise consider wade through operation employment li...
【单选题】Blue jeans are probably the single most representative article of American clothing.They were originally 26 by Jacob Davis,a tailor from Nevada, 27 ,together with dry-goods sales man Levi Strauss,pate...
A.
invented
B.
introduced
C.
developed
D.
delivered
【单选题】以下哪项不属于物理性致癌因素?
A.
红外线
B.
紫外线
C.
X射线
D.
E.
放射性同位素
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【单选题】A 57-year-old woman has had increasing abdominal enlargement for 6 months. During the past 2 days, she developed a high fever. On physical examination, her temperature is 38.5° C. The abdomen is enlar...
A.
α1-Antitrypsin deficiency
B.
Chronic alcohol abuse
C.
Hepatitis E viral infection
D.
Hereditary hemochromatosis
E.
Primary sclerosing cholangitis
【单选题】Sister Carrie written by ________ is considered as one of the representative naturalistic novels in the American literature.
A.
Sinclair Lewis
B.
Theodore Dreiser
C.
F. Scott Fitzgerald
D.
H. L. Mencken
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【单选题】以下哪项不属于致癌因素?(  )
A.
红外线    
B.
紫外线    
C.
X射线    
D.
γ射线
E.
放射性同位素
【单选题】实际GDP是通过( )得到的。
A.
当期产量乘以GDP平减指数
B.
当期产量除以GDP平减指数
C.
当期 产量 乘以基期价格
D.
当期 产量 除以基期价格
【单选题】实际 GDP是通过( )得到的。a.当期GDP乘以GDP缩减指数; b.当期GDP除以GDP缩减指数;c.当期GDP乘以基期价格; d.当期GDP除以基期价格。
A.
b
B.
b
C.
c
D.
d
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