题目内容

【单选题】The application of AI in healthcare is expected to cut __________ the cost treatments and care.

A. out
B. into
C. down
D. through

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【单选题】__________ the Internet of Things is to become a reality, its developers should pay more attention to its security.

A. If
B. Although
C. Until
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A. what
B. whose
C. that
D. which

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A. reading
B. read
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A. which
B. who
C. whom
D. that