人类意识的产生经历了一个漫长的历史过程。人类意识产生的物质基础是[ ]
A．物质的反应特性
B．人脑
C．思维着的精神
D．生物的反应形式
答案：A
根据对话内容，填入适当的单词，使对话完整。（将答案填入对话后的横线上）
Ann: Hello. is Tina there?
Tina: Hello, Ann. 1______ is Tina.
Ann: Could I borrow your CD player tomorrow, please?
Tina: Sorry. It's not a very good 2______. Could you speak more loudly, please?
Ann: Sure. I said, could I borrow your CD player, please? Mine is 3______.
Tina: Of course. 4______ do you want it?
Ann: Tomorrow if possible.
Tina: OK. I'll 5______ it to school in the morning.
Ann: Thanks! Bye.
知识信息化的途径有哪些？
