证券发行市场的交易主体是（） ["发行者","投资者","承销者","政府部门"]
Which of the following IP addresses fall into the CIDR block of 115.54.4.0/22? （） [" 115.54.8.32"," 115.54.7.64"," 115.54.6.255"," 115.54.3.32"," 115.54.5.128"," 115.54.12.128"]
对玻璃钢夹砂管而言，起承受荷载、抵抗变形作用的是（） ["表面层","内衬层","结构层","连续纤维缠绕层"]
剩余劳动力
普惠制产地证中“发货人”一栏可以填写受惠国的出口商或中间商。
立法会
