问题
完形填空
If you are writing or studying, it makes much difference where the light comes from. People use 36 and pens every day. They have to be very careful about the 37 of the light because the light shines on their work. Every 38 gets its light either from daylight 39 the window or from the lamps, 40 no matter what kind of light it is, the way it shines is very important to the eyes. Take a book and sit with your 41 towards the window, and try to read. Your shadow(影子) falls all over the page and makes it 42 for your eyes as if you were in a 43 room. Now turn around and face the window. The page is in shadow again, 44 the bright light is in your eyes.Try sitting with your 45 side towards the window. This is very good for reading, but if you were writing, the shadow 46 fall across the page and trouble you 47 .There is another way – sit 48 your left side to the window. Now everything is perfect for 49 as well. Whatever kind of light is in the room, the rule about the right way to sit is 50 the same. So you see different ways to sit make much difference in writing or studying.
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答案
小题1:C
小题1:C
小题1:A
小题1:B
小题1:A
小题1:B
小题1:B
小题1:D
小题1:A
小题1:D
小题1:B
小题1:D
小题1:B
小题1:C
小题1:D
小题1:C。人们每天使用书本（books）和笔。
小题1:C。他们不得不非常注意他们工作时光线的照射方式（way）。
小题1:A。房屋（house）内的光线，要么来自（through）窗外的自然光，要么是灯或电力。
小题1:B。through通过。解析见上题。
小题1:A。但（but）无论使用的哪一种来源的光，照射在书本或我们工作时的灯光对眼睛有重要的影响。
小题1:B。拿一本书，背（back）朝窗户坐下，试着阅读。
小题1:B。你的影子完全投射在书面上，对你眼睛造成的坏影响（bad）就如同你在一个黑（dark）屋子里读书。
小题1:D。dark黑暗的。解析见上题。
小题1:A。此时光线射进了你的眼睛里，但是（while）书面是暗的。
小题1:D。试着将身子右侧（right）对着窗户坐下。
小题1:B。may也许。但如果你是在书写，你手的影子会映照在书面上从而使你的视觉受到一些干扰。
小题1:D。a little一点，一些。解析见上题。
小题1:B。那么还剩下一种方法了，将身子左侧对着窗户坐下。
小题1:C。此时一些都完美了，无论是书写（writing）还是阅读。
小题1:D。always一直，总是。无论房间里是哪一种光线，这种正确落坐的方法都是同样适用的。