If the wind direction measured by the weather station is 270°,the optimum takeoff and landing direction is（ ）.
A.from east to west
B.from west to east
C.from north to south
正确答案是A
If the wind direction measured by the weather station is 270°,the optimum takeoff and landing direction is（ ）.
A.from east to west
B.from west to east
C.from north to south
正确答案是A