CCA101,reducespeedto230knotsdue（）
A. separation
B. sequencing
C. flow control
D. all of above
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ACKNOWLEDGE”means（）
A. let me know that you have received this message
B. let me know that you have understood this message
C. let me know that you have received and understood this message
D. let me know whether you received this message
CSN3290,holdshortofRWY22,traffic（）
A. in sight
B. on base
C. is close
D. on final
CES5152,proceedoffset3miles__untilOC（）
A. right of track
B. rightside
C. at right
D. track right
RWY36Risreadas（）
A. RUNWAY TREE SIX ROMEO
B. RUNWAY THIRTY-SIX ROMEO
C. RUNWAY TREE SIX RIGHT
D. RUNWAY THIRTY-SIX RIGHT
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