问题
单项选择题
Course directed by the OSC or CSS to be steered at the beginning of a search is（）.
A.original course
B.initial course
C.final course
D.designated course
答案
参考答案：B
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Course directed by the OSC or CSS to be steered at the beginning of a search is（）.
A.original course
B.initial course
C.final course
D.designated course
参考答案：B