()属于开放式基金特点。 ["基金规模不可变化","基金价格以基金净资产价值为计算依据","通常在交易所交易基金单位","可以赎回","不限定存续期"]
以免静电聚产生危险,在切割聚乙烯管时应使用长湿布(宽不200mm)在PE管上缠绕一周后两边同时下垂至沟底湿润的泥土上,湿布与泥土接触面积不小于200*200mm()。 ["小于","等于","大于","小于等于"]
int i = 0, j = 1; if ((i++ == 1) && (j++ == 2)) { i = 42; } System.out.println(“i = “ + i + “, j = “ + j); What is the result?() [" i = 1, j = 2"," i = 1, j = 1"," i = 42, j = 2"," i = 42, j = 1"," Compilation fails."]
以下哪些单词不代表远程登录?() ["WWW","FTP","Gopher","Telnet"]
文学风格的特征是什么?
样本平均数抽样总体与原始总体的两个参数间有何联系?