Lesson 11 Blank-filling-7Maydy Mayday Mayday, CCA981 front 1 opened, and one person has been 2 , request emergency landing at Beijing, position 3 at 4000m.
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Lesson 11 Blank-filling-8Mayday mayday mayday smoke was 1 in the 2 , 3 has been discharged, we'd like to 4 to Shengzhen for landing, please advise them we need 5 on landing.
Lesson 11 Blank-filling-9We have been 1 , the 2 wants us to land at XX but we don't have that 3 , request landing at YY for 4
Lesson 11 Blank-filling-10Panpan panpan panpan CCA982, we've run into 1 , 2 and passengers injured, request divert to Hefei which is the 3 to us for landing, please advise them we need 4 and 5
1970年-1980年是计算机辅助教育的什么阶段?
A. 研究试验阶段
B. 普及发展阶段
C. 综合运用阶段