完形填空Ifyouarewritingorstudying,it

完形填空If you are writing or studying, it makes much difference where the light es from. People use1and pens every day. They have to be very careful about the way of the light because the light shines on their work. Every2 gets its light either from daylight3 the window4 from the lamps or electricity,5no matter what kind of light it is, the way it shines towards our books or work is very important to the eyes. Take a book and sit with your6 toward the window, and try to read. Your shadow(影子) falls all over the page and makes it7 for your eyes as if you were in a8 room.Now turn around and face the window. The page is9 shadow again, while the bright light is in your eyes. Try sitting with your10side toward the window. This is very good for11 , but if you were writing, the shadow12 fall across the page and bother you13.There is another way – sit14 your left side to the window. Now everything is perfect for writing as well. Whatever kind of light is in the room, the rule about the right way to sit is15 the same.1.A.eyesB.headsC.booksD.hands2.A.manB.womanC.houseD.animals3.A.fromB.throughC.intoD.inside4.A.andB.thenC.asD.or5.A.butB.untilC.ifD.when6.A.sideB.backC.bodyD.front7.A.goodB.badC.usefulD.clear8.A.brightB.cleanC.dirtyD.dark9.A.inB.intoC.onD.to10.A.frontB.backC.leftD.right11.A.speakingB.readingC.writingD.studying12.A.canB.mayC.wouldD.will13.A.fewB.a fewC.littleD.a little14.A.byB.withC.againstD.near15.A.onlyB.neverC.not oftenD.always