互信息I（X；Y）与信息熵H（Y）的关系为：I（X；Y）（）（大于、小于或者等于）H（Y）。
参考答案：小于
用适当的关系代词或关系副词完成下列句子。
1. I hope to visit a place_____the weather is cool.
2. The village in_____my grandparents used to live lies at the foot of a mountain.
3. I know a place_____we can have a wonderful time.
4. The girl _____is standing there is my sister.
5. Do you like the shirt _____ is very expensive?
独立声卡一般安装在（）插槽上.
A.PCI
B.IDE
C.VGA
D.AGP
