超星 - 听力测试10.3 - 查题吧

单选题

_____________ , that's conservatively the total hours our national team of craftsmen has worked safely each of the last three years.

A. Ten billion man-hours
B. Ten thousand man-hours
C. Ten million man-hours
D. Ten triillion man-hours

判断题

Our turbine techs worked on the mid-american wind farm in Adair Iowa tradesmen international.

A. 对
B. 错

判断题

Pipe welder and pipe fitter trades worked on the Ford electric car plant in Fremont California.

A. 对
B. 错

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