Section C
Directions: In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks numbered from 36 to 43 with the exact wards you have just heard. For blanks numbered from 44 to 46 you are required to fill in the missing information. For these blanks, you can either use the exact words you have just heard or write down the main points in your own words. Finally, when the passage is read for the third time, you should check what you have written.
The computer brings both the (36) ________ and dangers. That means danger to physical and (37) ________ well being of the people who work at computer (38) ________.
The survey done in the UK shows that the (39) ________ abnormalities of pregnant women who work with computer terminals is 20% higher than those of pregnant women who don't work with computer terminals. (40) ________ for long periods to the video screen causes disturbances to vision and (41) ________stress. Some trade unions (42) ________ down their own guidelines to (43) ________ members' health. There are two groups of computer users, professional and amateur. (44) ________________________________________________ people working with computers have backache because they crouch over an inconveniently positioned keyboard. People working in front of the screen (45) ________________________________________________.
It seems that the electrostatic field of the video screen attracts dust from the atmosphere and irritates exposed skin. The first precaution is an alternative source of light from that of the screen itself. (46) ________________________________________________. These are all common-sense precautions.