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11 Human teeth are almost as hard as rocks.
人的牙齿几乎和石头一样硬。
12 The first product to have a bar code was Wrigleys gum. 世界上最早有条形码标记的商品是箭牌香口胶。
13 No piece of square dry paper can be folded more than 7 times in half.
任何一张干燥的方型纸片都不能被对折超过7次以上。
14 Ancient Egyptians slept on pillows made of stone.
古代埃及人的枕头是石头做成的。
15 The average person has over 1,460 dreams a year.
一个普通人每年要做1460个梦。
16 A cockroach can live several weeks with its head cut off--it dies from starvation.
蟑螂在被砍头之后还能活几个星期,最后死也是饿死。
17 Dogs and cats, like humans, are either right or left handed.
猫狗和人一样也有左、右撇子之分。
18 The elephant is the only mammal that can't jump.
大象是唯一一种不会跳的哺乳类动物。
19 Dolphins sleep with one eye open.
海豚睡觉睁一眼闭一眼。
20 The placement of a donkey's eyes in its head enables it to see all four feet at all times.
驴子眼睛的位置能让它随时看到自己的四条腿。
21 The longest recorded flight of a chicken is 13 seconds.
鸡的最长飞行纪录是13秒。
22 Cat urine glows under a black-light.
猫尿能在黑光灯下发光。
23 Over 10,000 birds a year die from smashing into windows.
每年有超过一万只鸟因为撞到窗户上死亡。 |
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