She could fix machine without referring to the instructions.A:observing B:learni

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问题 She could fix machine without referring to the instructions.

选项 A:observing
B:learning
C:consulting
D:understanding

答案C

解析本句意思:她不用参考说明书就能够修理好机器。observe的意思为“观察,遵守”;learn 的意思为“学习,得知,认识到”;consult的意思为“查阅,商量”;understand的意思为“理解,懂 得”。refer to的意思为“参考,涉及”,和consult的意思接近。
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