单项选择题

某电器股份有限公司，2007年实现主营业务收人净额30亿元，实现净利润5亿元。经测算，公司2007年平均资产总额为50亿元，平均应收账款余额为10.5亿元。
根据上述资料，回答下列问题：
该公司本年度的资产净利率为（ ）

A.10.0%
B.16.7%
C.19.2%
D.20.0%
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By analyzing the results of tae kwon do at the summer games，the anthropologists found that athletes wearing red gear were more likely to win the combat．A.RightB.WrongC.Not mentioned
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Better Control of TB seen if a faster cure is foundThe World Health Organizationl estimates that about one-third of all people are infected with bacteria that cause tuberculosis．Most times，the infection remains inactivE.But each year about eight million people develop active cases ofTB，usually in their_______(1)．Two million people die_______(2)it．The disease has_______(3)with the spread of AIDS and drug-resistant forms of tuberculosis．Current treatments take at least six months．Patients have to_______(4)a combination of several antibiotic drugs daily．But many people stop_______(5)they feel better．Doing that can_______(6)to an infection that resists treatment．Public health experts agree that a faster—acting cure for tuberculosis would be more effectivE.Now a study estimates just how_______(7)it might bE.A professor of international health at Harvard University2 led the study．Joshua Salomon says a shorter treatment program would likely mean not just more patients_______(8)．It would also mean_______(9)infectious patients who can pass on their infection to others．The researchers developed a mathematical model to examine the effects of a two—month treatment plan．They_______(10)the model with current TB conditions in Southeast AsiA.The scientists found that a two—month treatment could prevent about twenty percent of new cases．And it might_______(11)about twenty—five percent of TB deaths． The model shows that these_______(12)would take place between two thousand twelve and two thousand thirty．That is，if a faster cure is developed and in wide use by two thousand twelvE.The World Health organization_______(13)the DOTS3 program。in nineteen ninety．DOTS is Directly Observed Treatment，Short—coursE.Health workers watch tuberculosis patients take their daily pills to make_______(14)they continue treatment．Earlier this year，an international partnership of organizations announced a plan to expand the DOTS program．The ten—year plan also aims to finance research_______(15)new TB drugs．The[bur most common drugs used ROW are more than forty years olD.The Global Alliance for TB Drug Development4 says its long—tmma goal is a treatment that could work in as few as ten doses.词汇：bacterium(pl．bacteria)n．细菌tuberculosis n．结核(病)inactive adj．不活跃的，非活动性的 antibiotic adj.抗生的n．抗生素alliance n．同盟，联盟注释：1．World Health Organization(WHO)：世界卫生组织2．Harvard University(=Harvard)：(美国)哈佛大学3．DOTS(Directly Observed Treatment，Short—course)：短期直接观察治疗4．Global Alliance for TB Drug Development：全球结核病药物开发联盟练习：第 51 题A.kidneysB.lungsC.bonesD.livers
A.Most
B.But
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F.But
G.Doing
H.Public
I.Now
J.A
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N.The
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P.That
Q.DOTS
R.Health
S.The
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W.结核(病)
inactive
X.不活跃的，非活动性的
Y.抗生的n．抗生素
Z.同盟，联盟
[.World
.Harvard
].DOTS(Directly
^.Global
_.kidneys
`.lungs
A.bones
B.livers
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