The application of AI in healthcare is expected to cut________the cost of treatments and care.

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问题 The application of AI in healthcare is expected to cut________the cost of treatments and care.

选项 A、out
B、into
C、down
D、through

答案C

解析根据句意，降低治疗和护理的成本，故用词组“cut down”。故选C。

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大学英语三级A级

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