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    Many animals hide(躲藏) to stay alive. They hide in many ways. Some animals hide in leaves; some animals hide in snow. Usually their colors or shapes(形状) help protect them. It’s hard to see an Arctic bear in snow. Its white fur helps protect it. Chameleons(变色龙) can hide by changing colors. Their skin turns the same color as what is around them. Some chameleons can change colors in five minutes.
    Many animals try to look bigger than they are to stay alive. Some animals can make other animals think they are very big. If they look very big, animals that are looking for food will run away. Bears can walk on two legs. They look very, very scary(可怕的). Some animals will run away from them.
    Many animals try to stay around other animals. This helps them stay alive. Zebras stay close together so that they can help each other look out of danger. Seeing many stripes(条纹) at once can also confuse(使混乱) animals that want to eat them. Some birds stay in a circle, each toward a different direction. In this way they can also help each other stay alive by looking around for animals that may want to eat one of them.
    小题1:Animals have ways to stay alive. Which animal try to look bigger than they are to stay alive in the passage?
    A．Zebras.B．Chameleons.C．Birds.D．Bears.
    小题2:Why do animals hide?
    A．Because they like to play hide-and-seek.
    B．Because they are shy.
    C．Because they want to catch other.
    D．Because they want to protect themselves.
    小题3:How do Chameleons hide?
    A．They change colors.B．They change shapes.
    C．They hide in snow. D．They hide in leaves.
    小题4:How do zebras hide?
    A．Become good friends.B．Talk to each other.
    C．Help each other look out for danger.D．Eat and play together.
    小题5:Why do animals try to look bigger than they are?
    A．They want other animals to run away from them.
    B．They want other animals to follow them.
    C．They want other animals to see them.
    D．They want other animals to like them.

    小题1:D
    小题2:D
    小题3:A
    小题4:C
    小题5:A

    试题分析：本文叙述了一些动物为了生存而采取隐身来保护自己，有的动物用改变颜色来保护自己，无论动物是用的什么方法都是为了逃避敌人的攻击。
    小题1:细节理解题。根据If they look very big, animals that are looking for food will run away. Bears can walk on two legs. They look very, very scary(可怕的). Some animals will run away from them.熊是看起来很大，让其他的动物感到害怕，故选D。
    小题2:细节理解题。根据Usually their colors or shapes(形状) help protect them. 动物是为了保护自己，故选D。
    小题3:细节理解题。根据Chameleons(变色龙) can hide by changing colors.变色龙通过改变身体的颜色来保护自己，故选A。
    小题4:细节理解题。根据Zebras stay close together so that they can help each other look out of danger. 斑马彼此来帮助警惕危险，故选C。
    小题5:细节理解题。根据They look very, very scary(可怕的). Some animals will run away from them.看起来动物很大，就有可能吓跑其他的动物，故选A。
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