【单选题】关于计算机内存管理,以下说法正确的是()。
C.
计算机内存由计算机应用程序自身负责管理和维护。
【单选题】听力原文:M: Excuse me! Do you mind if I sit here? W: Not at all. Go ahead. M: Thank you. W: Are you going somewhere, or are you meeting someone? M: I'm on my way to Washington. And you? W: I'm on my way t...
【单选题】关于计算机内存管理,以下说法正确的是( )
C.
计算机内存由计算机应用程序自身负责管理和维护。
【简答题】Python提供了身份比较运算符( 1 )和( 2 )来测试两个变量是否指向同一个对象。
【单选题】听力原文:M: If you had waited until after the Christmas holidays, you could have bought that dress for much less. W: I know that, but I needed it immediately. I had an important meeting to attend. Q: What...
A.
They are discussing how to celebrate the coming Christmas holidays.
B.
They are discussing whether the woman should buy the new dress.
C.
They are discussing when the woman will attend the meeting.
D.
They are discussing what to do after the Christmas holidays.
【单选题】选择防爆电气时,哪个做法是不正确的( )
A.
尽量把电气设备布置在危险性较小或非爆炸性环境中
B.
在满足生产工艺生产及安全的前提下,尽量减少防爆电气设备的使用量
【简答题】关于计算机内存管理,以下说法正确的是()。 A计算机内存是由计算机操作系统负责管理的 B计算机内存由CPU管理 C计算机内存由计算机应用程序自身负责管理和维护 D计算机内存空间的大小与操作系统无关
【单选题】听力原文:W: If you're going to the airport, what about our dinner? M: I'll meet you for dinner after I've been to the airport. What are they going to do together?
【简答题】Python提供了两个对象身份比较运算符 ()和()来测试两个变量是否指向同一个对象。通过内置函数()来测试对象的类型;通过()运算符判断两个变量指向的对象的值是否相同。