单选题：听录音，回答以下问题：What's the relationship between John and Sue now?

题目内容：

听录音，回答以下问题：
What's the relationship between John and Sue now? A．Classmates．
B．Colleagues．
C．Boss and secretary．
D．PR representative and client．

参考答案：

答案解析：

What does the woman say about the well-being in the air pro

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根据汉字国标GB2312—80的规定，1KB存储容量可以存储汉字的内码个数是（　　）。A．1024 B．512 C．256 D．约341

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计算机软件系统包括（　　）。A．程序、数据和相应的文档 B．系统软件和应用软件 C．数据库管理系统和数据库 D．编译系统和办公软件

分类：专四题型：单选题