在C++中,打开一个文件就是将这个文件与一个( )建立关联:关闭一个文件就取消这种关联。
A.类
B.流
C.对象
D.结构
参考答案:B
At that moment, I was just standing by the window in my room, I could see what was occurring on the street.
A.from which
B.from whose
C.from that
D.from where
「もう一度」的意思是「再来一遍」。