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大学英语六级710分考试成功指南听力必备(7)
Passage 1
On Sept. 11, the nation's aviation system quickly and safely almost 4,500 planes that were in the air when the terrorist attacks took place. How was this (S1)_____? What was it like inside air traffic control centers and at airline (S2)_____? How was the decision made to land all the planes? ﰣAnd how did controllers execute it?
Some USA TODAY reporters spent seven months (S3)_____ more than 100 people involved in key decisions that day. The reporters traveled to New York, Washington, Chicago, Texas and Atlanta.
The (S4)_____, thoughts and quotes in the stories are based on interviews with (S5)_____ or with sources who had (S6)_____ to tape recordings. Accounts of the day's events were (S7)_____. (S8)_____________________________________________________________________.
(S9)____________________________________. A key source was the FAA radar data from the Traffic Situation Display. The system tracks all aircraft in the United States and Canada that have filed flight plans: (S10)__________________________________. It also estimates the location of planes over the Atlantic and Pacific oceans flying to the and from North America.
