【单选题】The ARPA may swap targets when automatically tracking if two targets ______.
A.
are tracked on reciprocal bearings
B.
are tracked at the same range
C.
are tracked on the same bearing
【单选题】美国课程论专家泰勒被称为"现代课程理论之父",泰勒的课程评价模式不重视的是()。
【单选题】美国课程专家泰勒被称为 “现代课程理论之父”,泰勒的课程评价模式不重视的是( )
【单选题】The ARPA may swap targets when automatically tracking if two targets()
A.
are tracked on reciprocal bearings
B.
are tracked at the same range
C.
are tracked on the same bearing
D.
pass closely to each other
【判断题】当创业的机会成本低的时候更易于创业。()