根据以下材料,回答题:What is the main idea of the first paragraph?(  )

根据以下材料,回答题:What is the main idea of the first paragraph?(  )

查看答案

In this passage,the writer intends to tell us that the dog i

In this passage,the writer intends to tell us that the dog is____________.(  )

查看答案

计算机的主机是指( )。

计算机的主机是指( )。A.CPU B.输入设备 C.输出设备 D.内存

查看答案