As you hold a piece of manila line vertically in front of you，the strands run from the lower left to the upper right. Which type of line is this?（） ["Right-hand laid","Cable-laid","Sennet-laid","Water-laid"]
怎样确保领导绩效测评的客观公正有效？
已有充分证据表明，吸烟可导致下列疾病（） ["乳腺癌","肝癌","结肠直肠癌","胃癌","前列腺癌"]
Windows 7是由（）公司开发，具有革命性变化的操作系统。
简述苏格拉底关于公平社会的特点。
要安装Windows 7，系统磁盘分区必须为（）格式。
