【简答题】空串与空格串有什么区别?字符串中的空格有什么意思?空串在串的处理中有什么作用?
【单选题】What about the paid holidays, insurance, and things like that?
【单选题】河南新乡乡村医生杨全鸿在自家诊所的院子里,烧掉了行医近50年病人因无钱看病所写的欠条。他做了几十年的乡村医生,一直奉行着一条准则:有钱没钱先看病。烧掉这些欠条之后,有人给了杨全鸿一个称号:“中国最傻的村医”。但他并没有后悔,而是用坦荡的心态说:“我愿意让病人欠我一辈子。”杨全鸿用自己的行动告诉我们,实现美好的人生价值目标应( )。
【单选题】在“戊戌变法”中,光绪皇帝是一心想变法的。但是,当时的变法与反变法的斗争相当的激烈。慈禧太后对待变法的态度是()。
【单选题】What do we learn about paid family leave from the first paragraph?
A.
America is now the only developed country without the policy.
B.
It has now become a hot topic in the United States.
C.
It came as a surprise when Australia adopted the policy.
D.
Its meaning was clarified when it was established in Australia.
【简答题】简述下列每对术语的区别:空串和空格串;串变量和串常量;主串和子串;串变量的名字与串变量的值。