According to the research into RSI.s, what can prevent injuries? 选择一项： A. New chairs. B. Good chairs. C. Proper chair height.

According to the research into RSI.s, what can prevent injuries?

选择一项：

A.
New chairs.

B.
Good chairs.

C.
Proper chair height.

出自：国家开放大学-理工英语2

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