【简答题】你认为应如何做使得城市发展与环境友好相处?
【简答题】在编写程序过程中,如果希望一个字符串的内容全部是英文字母,若其中包含其他的字符,则抛出一个异常。因为在 Java 内置的异常类中不存在描述该情况的异常,则需要自定义该异常类。(直接复制代码在答案区) 例如: str1="HellWorld"; str2="Hell!MR!"; 结果: HellWorld 字符串 "Hell!MR!" 中含有非法字符 ! 参考exam04,
【单选题】When the people saw the land, ______
A.
only passengers were glad
B.
the sailors had to swim ashore
C.
they were surprised at the news that some ships never arrived
D.
all of them were excited
【单选题】对方报价后第一次运用的讨价方式是( )。
【多选题】关于python用open创建文本文件对象读取内容的有整型参数n的read(n)方法,说法正确的是:
A.
read(n)从文件对象中最多读取n个字符,如果实际数量少于n个则会报错。
B.
read(n)从文件对象中最多读取n个字符,如果n为负数,则会报错。
C.
read(n)从文件对象中最多读取n个字符,如果n为负数,则会读取直到文件尾部。
D.
read(n)从文件对象中最多读取n个字符,如果不足n个则读实际小于n个。
E.
read(n) 读取结果返回一个字符串(str)。
F.
read(n) 读取结果返回一个含多个字符串的列表(list)。
【单选题】Where should people meet incoming passengers?
B.
At the east end of the terminal.
C.
In the baggage claim areas.
D.
Next to the arrival board.
【单选题】All passengers _________ to Shanxi must change trains at the next stop.A.not goB.aren’t going C.d
A.
26.All passengers _________ to Shanxi must change trains at the next stop. A.not go