was first considered by Siegel to be the iconic animal in 1998
was first proposed by Siegel to be the endangered species in 2004
was not qualified scientifically as the endangered species until 2005
was not officially under the government protection until 2008
第1题：
● Lessons learned are most often based upon project historical records. Lessons learned can be used to:
A See what mistakes others have made
B See how others have solved problems
C Predict trends, highlight problems and identify alternatives
D All of the above
E A and B only
第2题：
We can obviously notice that over a period of no practice what has been learned tends to be forgotten from______.
第3题：
Lessons learned are most often based upon project historical records. Lessons learned can be used to:
ASee what mistakes others have made
BSee how others have solved problems
CPredict trends, highlight problems and identify alternatives
DAll of the above
EA and B only
第4题：
第5题：
Parents in the Polar Express can hear the sound of the sleighbell, too.()
第6题：
此题为判断题(对，错)。
第7题：
What cannot be learned from the passage?
A、computers will take the place of nurses in the future
B、it is not likely that computers can plan their own moves in chess games
C、it is not likely that computers can perform. tasks as well as people do
D、some programs have been written to give the computers i
第8题：
165 Lessons learned are most often based upon project historical records. Lessons learned can be used to:
A. See what mistakes others have made
B. See how others have solved problems
C. Predict trends, highlight problems and identify alternatives
D. All of the above
E. A and B only
第9题：
第10题：