若把蜡烛从A点向B点移动，烛焰所成像的大小将____ （选填“变大”、“变小”或“不变”），若蜡烛移到C点，无论怎样移动光屏，在光屏上始终找不到像，原因是　____ ．

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Protect Wild Animals

    Animals are our good friends．We live in the same Earth．Animals and people can't  be separated from each other．But some animals are getting less and less．So it's important to us to protect animals，especially wild animals．Some people kill wild animals because of money．It's wrong．Now people need more places to live in．We explore the forest．  Animals have less places to live in．The number of wild animals decreases year by year．So we should protect wild animals．