题目内容

针对I期梅毒患者，检查梅毒螺旋体的最适标本是

A. 血液
B. 尿液
C. 硬下疳渗出液
D. 局部淋巴结抽出液
E. 梅毒疹渗出液

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关手梅毒螺旋体的临床意义，下列说法错误的是

A. 先天性梅毒系母体苍白亚种螺旋体通过胎盘进入胎儿所致
B. 先天性梅毒多发生于妊娠3个月之后
C. 人是梅毒的唯一传染源
D. 获得性梅毒主要经性接触传播
E. 获得性梅毒在临床上分为三期

An analyst has gathered the following data about a company with a 12 percent cost of capital.Project AProject BInitial cost$15000$20000Life5years4yearsCash inflows$5000/year$7500/year A company is considering a $10000 project that will last 5 years. Annual after tax cash flows are expected to be $3000 Target debt/equity ratio is 0.4 Cost of equity is 12% Cost of debt is 6% Tax rate 34% What is the project’s net present value (NPV)

A. + $1460.
B. + $1245
C. $0.

已知一台计算机名字为bob，搜索该计算机。

把D:下的图片文件夹进行网络共享但是其他网络用户只能读取。