题目内容

23. ________ salaries may not be high, working as a nursing assistant does have some other benefits.

A. Unless
B. While
C. As
D. Since

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24.How we pack theproducts has a significant impact ________ the cost of logistics.

A. of
B. on
C. with
D. to

25.________ impressed me most about the school is how it was designed to support both the students and the community.

A. What
B. That
C. This
D. Which

26.________ the investigation, the committee published the report on the cause of the accident.

A. Completed
B. Completing
C. Having completed
D. To have completed

27.The report shows that over half of the women are suffering ________ second-hand smoke at the workplace.

A. in
B. for
C. on
D. from

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