（一）(
F
)1. People wrote on paper 3,000 years ago.
(
T
)2. Thomas Alva Edison invented the light bulb.
(
F
)3. The Wright Brothers invented the plane by watching the tigers.
(
T
)4. We can talk with others on World Wide Web.
（二）What can you learn from these great inventors?
Great inventors are not only clever but also hard-working. We can not give up（放弃）easily.
答案：（一）1. F 2. T 3. F 4. T （二）Great inventors are not only clever but also hard-working. We can not give up（放弃）easily. （仅供参考）
