题干

“胡杨林是牲畜天然的庇护所和栖息地,马、鹿、野骆驼、鹅喉羚、鸳鸯等百余种野生动物在林中繁衍生息,林中还伴着甘草、骆驼刺等多种沙生植物,它们共同组成了一个特殊的生态体系,营造了一个个绿洲…《八年级课文《罗布泊,消逝的仙湖》,下列有关上述资料中生物的叙述,错误的是(    )

A:马、鹿、野骆驼、鹅喉羚等动物都属于哺乳动物,牙齿有门齿和臼齿的分化

B:鸳鸯的雏鸟由鸟卵中的胎盘发育而成

C:鹿群有组织、有分工,这说明鹿具有社会行为

D:骆驼刺根系发达,可以生活在干旱的环境中,体现了生物对环境的适应

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答案(点此获取答案解析)

B

同类题1

请阅读短文,根据短文内容,在下面读书笔记中填入与文章意思最符合的单词,每空一词。

    Everyone wants to find happiness. But sometimes looking for happiness can be as hard as looking for lost treasure. Just when you think you nearly reach it, something unexpected happens. This may trouble you a lot. Here are some tips for helping you find happiness.

    Don't put all your eggs in one basket. If you depend on one thing or one person to make you happy, it may be impossible. You need to have larger circle of friends.

    Follow your heart. When we go against our own thoughts, we usually feel sad. Follow your strong feeling and let it guide you to people and things that will improve your life. Day by day, you will be happier than before.

    Organize your ideas. Many people push away happiness when they think too much. Don't keep everything in head. Try making a list of lot of things that don't seem too big to manage on your own. You may find the list isn't as long as you thought. You can do most of the things by yourself.

    Look at your life as a whole. Most of the things that stop us from feeling happy are just some little things. Remember life is always going on and whatever the little thing is, it will finally end.

    Happiness can be hard to feel at times, so don't think there is something wrong with you if you don't feel it. The ways above will help you to feel more of it.

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