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《小学科技》2006,(3)
Asian elephants (亚洲象) are the largest living land animals, they live throughout (遍及) the forests of southern Asia. They are usually 3.2 meters in height and 5 tons in weight. Asian elephants have to eat a huge amount of food every day to survive (活下来). They live in groups in order to find food. During the day, Asian elephants always walk for a long distance (距离) ,but sleep only 2 to 4 hours at night. Asian elephants are on the verge (边缘) of extinction (灭绝). they are now less than 50000.Today, there are ten times as many African elephants as Asian elephants. The main reason for this drop is the loss of the animals'habitat (栖息地). As trees are cut down to make land free for farming or houses, the elephants are being pushed into smaller areas of forests. 相似文献
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《小哥白尼(趣味科学画报)》2004,(23)
这不是放屁,是我设置的手机短信铃声与呱息又鬓而尸据科学家分析,又衬屁中含氢量最高可达47%.如果使用电手术刀做肠手术,这种手术刀发出的电火花就能使屁中的氢发生爆炸!黔暑森淄雾覆撬澄瞥暴草毅婴儡鹦哈哈哈屁画连篇 相似文献
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以PC起家的联想“少帅”,在一次年度最重要的市场活动上,却一不讲PC,二不谈市场;而是开口电子商务,闭口ASP服务,还不时端出一堆什么解决方案来……。难道直到去年还被某些人认定是“冥顽不化”的PC企业的联想,真的一下子就e想天开了? 相似文献