2015江西成人高考英语三级A卷试题及答案(4)

llocks to produce energy
　　B using pumps to draw water out
　　C having bullocks walk around to make the pump move
　　D connecting gears of different sizes to produce electricity.

　　5. Which of the following is true about the device mentioned in the passage?
　　A It has a large gear and a smaller gear.
　　B It’s easy to use, but difficult to move.
　　C It’s quite cheap.
　　D It’s still being tested.

　　Passage 2

　　Questions 6 to 10 are based on the following passage:

　　On-the-job smoking is a hot issue for both smokers and non-smokers, and many managers now see smoking as a productivity problem. Although some people question whether smoking really affects one’s productivity, it has, in fact, been proven that a smoker costs a company more than a non-smoker. According to Professor William Weis, a smoking employee costs his or her employer about $ 5,700 more a year than a never-smoker. These costs include medical care, lost earnings and insurance. And absence due to smoking breaks is one of the producti