The World Wide Web is the（）to allow users to browse from one（）to another and to inspect the information available without using complicated commands and protocols.

A.information system

B.Internet site

C.net system

D.Internet

在多大的速度时，THROTTLE HOLD警告会显示在FMA上（）

A.60KNOTS

B.80KNOTS

C.84KNOTS

D.94KNOTS