超星 - 语法练习-5 - 查题吧

单选题

【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

单选题

【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
D. Unless

单选题

【单选题】Unlike many companies __________ services stops once the sale is made, our service begins once you buy our product.

A. what
B. whose
C. that
D. which

单选题

【单选题】While __________ the article, I was wondering whether e-books would replace print books soon.

A. reading
B. read
C. was reading
D. to read

单选题

【单选题】It was not until the 1990s __________ industrial robots became really cheap, and therefore a possible option.

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

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