在现代计算机中，CPU通过___________、地址总线和控制总线与RAM、ROM和I/O设备三大功能模块进行数据交换。
参考答案：数据总线（或DB）
补全对话。
Tony: l._____.
Susan: Yes, I did. But I feel a little tired.
Tony: 2._____.
Susan: Well, on Saturday morning, I played tennis with my roommate. 3.______ And we visited my
grandparents in the afternoon. On Sunday I stayed at home.
Tony: 4.______.
Susan: Because I studied all day for our English test.
Tony: Wait a minute! Do we have a test today? 5. ______ I just played computer games the whole
weekend.
Susan: Yes, I did very well.
网上舆情是社会舆情在互联网上的一种（）反映。
A.正常
B.特殊
C.具体
D.普遍
