Chang'e was supposed to position all of its instruments to face the moon on November 18, a posture
facilitating
its probing work.
A、
precising
B、
assisting
C、
producing
D、
twisting
【正确答案】
B
【答案解析】
facilitate推动，帮助。assist帮助，援助。precise精确的。produce生产，制造。twist扭曲，拧。
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