单选题：R was only after some progress __ in the use and developmen

  • 题目分类：专四
  • 题目类型：单选题
  • 查看权限：VIP
题目内容：
R was only after some progress __ in the use and development of electric current that men began to realize the importance and possibilities of magnetism． A． had been made
B．would have been made
C．has been made
D．was made

参考答案：
答案解析：

They assured us that __ was waiting for us they were there

They assured us that __ was waiting for us they were there to share it．A．what B

分类：专四  题型：单选题
查看答案

某模拟网站的主页地址是：ITITP：//LOCALHOST：65531/Examweb/INDEx．HTM，打开此主页，

某模拟网站的主页地址是：ITITP：//LOCALHOST：65531/Examweb/INDEx．HTM，打开此主页，浏览“航空知识”页面，查找“水轰5(sH

分类：专四  题型：单选题
查看答案

存储一个24×24点的汉字字形码需要（　　）。

存储一个24×24点的汉字字形码需要（　　）。A．32字节 B．48字节 C．64字节 D．72字节

分类：专四  题型：单选题
查看答案

用来存储当前正在运行的应用程序及相应数据的存储器是（　　）。

用来存储当前正在运行的应用程序及相应数据的存储器是（　　）。A．ROM B．硬盘 C．RAM D．CD-ROM

分类：专四  题型：单选题
查看答案

Though ________ rich, he was better off than at any other p

Though ________ rich, he was better off than at any other period in his life．A．

分类：专四  题型：单选题
查看答案