那一盏希望的灯

　　“ 萤yíng火huǒ虫chóng，挂guà灯dēng笼long，飞fēi到dào西xī来lái飞fēi到dào东dōng。 ” 你nǐ知zhī道dào萤yíng火huǒ虫chóng是shì怎zěn么me挂guà灯dēng笼long的de吗ma？

　　萤yíng火huǒ虫chóng的de表biǎo皮pí上shang有yǒu一yì种zhǒng细xì小xiǎo的de白bái色sè颗kē粒lì状zhuàng物wù质zhì，这zhè就jiù是shì光guāng的de源yuán头tóu。光guāng是shì在zài萤yíng火huǒ虫chóng的de呼hū吸xī器qì官guān中zhōng产chǎn生shēng的de。萤yíng火huǒ虫chóng能néng自zì如rú地de控kòng制zhì亮liàng度dù：要yào是shi它tā想xiǎng让ràng小xiǎo灯dēng亮liàng一yì些xiē，就jiù会huì增zēng加jiā空kōng气qì的de流liú入rù量liàng；要yào是shi它tā不bù高gāo兴xìng，就jiù会huì减jiǎn少shǎo空kōng气qì流liú入rù量liàng；要yào是shi它tā恼nǎo了le，就jiù会huì干gān脆cuì关guān掉diào阀fá门mén，这zhè时shí，小xiǎo灯dēng就jiù会huì熄xī灭miè。夏xià夜yè，淘táo气qì的de孩hái子zi明míng明míng看kàn见jiàn它tā歇xiē在zài那nà里lǐ，可kě轻qīng手shǒu轻qīng脚jiǎo地de走zǒu过guò去qù以yǐ后hòu又yòu找zhǎo不bú到dào了le。其qí实shí，它tā是shì关guān掉diào了le小xiǎo灯dēng，隐yǐn身shēn了le呢ne !

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　　当dāng雄xióng萤yíng火huǒ虫chóng受shòu到dào某mǒu些xiē外wài部bù刺cì激jī时shí，身shēn体tǐ后hòu面miàn的de两liǎng个gè小xiǎo点diǎn就jiù会huì受shòu到dào影yǐng响xiǎng，但dàn是shì雌cí萤yíng的de那nà两liǎng条tiáo发fā光guāng的de带dài子zi却què不bù受shòu任rèn何hé干gān扰rǎo，照zhào常cháng发fā光guāng。萤yíng火huǒ虫chóng的de光guāng是shì白bái色sè的de，很hěn柔róu和hé，一yì点diǎn也yě不bù刺cì眼yǎn，就jiù像xiàng从cóng月yuè亮liàng上shang抛pāo撒sǎ下xià来lái的de白bái色sè小xiǎo花huā。

　　不bú过guò，你nǐ一yí定dìng没méi想xiǎng到dào，这zhè种zhǒng小xiǎo虫chóng子zi的de性xìng情qíng十shí分fēn冷lěng漠mò。它tā随suí便biàn找zhǎo个gè地dì方fāng就jiù能néng产chǎn卵luǎn，如rú地dì上shang、草cǎo叶yè上shang、小xiǎo水shuǐ沟gōu里li……产chǎn完wán卵luǎn后hòu，它tā就jiù离lí开kāi了le，任rèn宝bǎo宝bao们men自zì生shēng自zì灭miè。萤yíng火huǒ虫chóng从cóng生shēng到dào死sǐ，一yì直zhí都dōu是shì发fā光guāng的de，甚shèn至zhì卵luǎn也yě是shì发fā光guāng的de。当dāng寒hán冷lěng的de冬dōng天tiān到dào来lái时shí，幼yòu虫chóng便biàn会huì钻zuān到dào地dì下xià，即jí使shǐ在zài那nà里lǐ，它tā的de小xiǎo灯dēng仍réng然rán亮liàng着zhe，因yīn为wèi这zhè是shì一yì盏zhǎn希xī望wàng的de灯dēng !