[填空题]

A——traffic regulation B——mark car stop
C——traffic post D——single line
E——carriage-way F——speed limit
G——no through traffic H——passing bay
I——restricted waiting J——caution animals
K——silent zone L——driving without license
M——slight impact N——hit-run driver
O——traffic jam P——public car only

只停公用车（）禁止通行

A——traffic regulation B——mark car stop
C——traffic post D——single line
E——carriage-way F——speed limit
G——no through traffic H——passing bay
I——restricted waiting J——caution animals
K——silent zone L——driving without license
M——slight impact N——hit-run driver
O——traffic jam P——public car only

I.
A—air traffic control system J—safety precaution measure
B—armed police K—safety control device
C—crime prevention L—security command center
D—entry requirement M—security service
E—international criminal police organization N—security control center
F—level of security O—security personnel
G picket line P—valid documents
H—police station Q—security monitoring and control
I—patrolling vehicle