1. —Why is a river rich?
—Because it has two banks.
【提醒】bank有两个意思：一是表示“银行”，二是表示“河岸”。
2. —Why does a man’s hair become grey before his moustaches?
—Because a man’s moustaches come up after his hair.
【提醒】答语句意为：因为人们先长头发后长胡须。 |0w~P
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3. —Why do white sheep eat more than black ones?
—Because there are more of them in the world.
【提醒】答语句意为：因为世界上白色的绵羊比黑色的绵羊多。
4. —Why is a ship one of the most polite things on earth?
—Because it always advances with a bow.
【提醒】bow有两个意思是：一是表示“鞠躬”，二是表示“船首”。
5. —Why can’t it rain for two days continually?
—Because there is always a night in between.
【提醒】问句意为：为什么连续下雨two days？答句意为：因为其间有一个night。
6. —Why is your nose in the middle of your face?
—Because it is a scenter.
【提醒】动词scent 意为“嗅”，其派生名词scenter 意为“嗅的东西”，而scenter刚好与 center读音相同。
7. —Why should fish be well educated?
—Because they are so often found in schools.
【提醒】school 有两个意思：一是指“学校”，二是指“鱼群”。
8. —Why is the letter A like a flower?
—Because the B is after it.
【提醒】字母B与bee读音相同。
9. —Why does the letter T look like an island?
—Because it is in the middle of “water”.
【提醒】答句的字母意思是：因为字母T在单词water的中间。既然在“水”的中间，当然看起来像是“岛”。
10. —Do you know why birds fly to south in the winter?
—Because it’s too far to walk there.
【提醒】太远不能走着去，当然要飞着去。
11. —Why don’t we need a compass at the North Pole?
—Because every direction is south.
【提醒】由于身处北极，所以无论往哪个方向走都是“南”。
12. —Why is a room full of married couples empty?
—Because there is not a single man in the room.
【提醒】there is not a single man 有两个意思：一是指“没有一个单身未婚男人”，二是表示“没有一个人”。
13. —Why did the student take a ladder to school?
—Because he/she was going to high school!
【提醒】由于按传统思维，人们一般会将ladder（梯子）与high（高）联系在一起。
14. —Why did the man throw the butter out the window?
—He wanted to see the butterfly.
【提醒】butterfly 的意思是“蝴蝶”，但若将butterfly分开，则成了butter（黄油）和fly（飞）。
