Artificial(人造的) light is necessary in our modern society.(1)ButButthe increased use of lighting can cause some problems.Light in the wrong place and at the wrong time can disturb us.
How to(2)preventprevent/pr?'vent/light pollution?Before answering the question,please think of a few simple questions:Is the lighting necessary?Could safety or security be achieved by other(3)waysways( way)?Do the lights have to be on all night?Will it matter if we turn them(4)offoff?
If lighting is the best choice,then only the right number of lights for the task should be installed(安裝).Lighting will then become a problem if lights are poorly designed or incorrectly installed.
If lighting(5)isisnecessary,a number of ways can be taken to stop causing harm:For a family,(6)aa150 W lamp is enough.High power(300/500 W) lamps can(7)createcreate/kri'e?t/ too much light.As we all know too much light is sometimes(8)dangerousdangerous( danger).It can make our(9)eyeseyes( eye) lose sight for a short time.For an all-night porch(走廊),a 9 W lamp is OK in most situations.
Make sure that lights are correctly adjusted(調(diào)整) so that they only make the surface bright and do not(10)throwthrow /θr??/ light onto neighboring property.
【答案】But;prevent;ways;off;is;a;create;dangerous;eyes;throw
【解答】
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發(fā)布:2024/9/12 0:0:8組卷:4引用:1難度:0.5
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