A 36-year-old nurse suffered a needle stick with blood from an HIV-positive patient. Six months later, the nurse’s serum was positive in an EIA test, gave equivocal results in a repeat EIA test, and was negative by Western blot. The nurse
A. Is probably infected with HIV
B. Is in the window between acute infection with HIV and seroconversion
C. Is probably not infected with HIV
D. May be infected with a drug-resistant strain of HIV
E. May be a long-term nonprogressor
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A 41-year-old HIV-infected male who had refused antiretroviral therapy is diagnosed with Pneumocystis jiroveci (耶氏肺孢子菌) infection. This patient
A. Probably has a CD4 T-cell count below 200 cells/μL
B. Is at elevated risk for lung cancer
C. Is not longer a candidate for HAART
D. Probably has declining levels of plasma viremia
E. Is unlikely to develop dementia at this stage
世界上最早的数字表达形式为( )
A. 阿拉伯数字
B. 罗马数字
C. 汉字小写数字
D. 埃及数字
甲公司为广西一家以销售家用电器为主业的企业,以下属于企业收入的是()
A. 处置固定资产获得的收入
B. 销售自产电冰箱获得的收入
C. 接受投资者投入现金获得的收入
D. 向本公司员工罚款获得的收入
负债是企业过去的交易或事项形成的,预期会导致经济利益流出企业的( )
A. 过去义务
B. 现时义务
C. 未来义务
D. 潜在义务
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