【简答题】在JavaScript中,执行下面的代码后,num的值是 var str = "xiao.li@gmail.com"; var num = str.indexOf(".");A. -1 B. 0 C. 4 D. 13
【判断题】直接碘量法就是利用 I2的氧化性滴定一些的还原性物质的方法。( )
【单选题】在JavaScript中,执行下面的代码后,num的值是? var str = "xiao.li@gmail.com"; var num = str.indexOf(".");
【判断题】罗曼 · 加里( RomainGary , 1914—1980 ),法国著名作家。原名罗曼 · 卡谢夫,俄籍犹太人后裔。 长篇小说 《 天之源 》 ( 1956 )和 《 如此人生 》 ( 1975 )荣获 龚古尔奖。
【简答题】house officier: 1 写出第一句话的主干: 2 "that" time refers to his 3 frayed: 4 by long wait "frayed" 使用了什么修辞: 5 (英语) Why did he take twice that time?: Being late for one hour was made to impress the Croy...
【单选题】Not having a good excuse for being late Sally made up one.
【单选题】在JavaScript中,执行下面的代码后,num的值是( ) varstr = "wang.wu@gmail.com"; varnum = str.indexOf(".");
【单选题】在 JavaScript 中,执行下面的代码后,num 的值是 var str="wang.wu@gmail.com"; var num=str.indexOf(".");
【判断题】Being late for one ’ s classes as Brazilians does not mean to be rude to his teachers.
【单选题】No one believes his reasons for being late that he was caught in a traffic jam, _______ made him embarrassed.