1What’sfullofholesbutstillholdswater?2Whatislightasafeather,buteventhestrongestmancannotholditmorethanaminute?3Amansays,“Brothersandsisters,haveInone,butthatman'sfather'sismyfather'sismyfatherismyfathe

Question

1 What’s full of holes but still holds water?
2 What is light as a feather,but even the strongest man cannot hold it more than a minute?
3 A man says,“Brothers and sisters,have I none,but that man's father 's is my father's is my father is my father's son."
Who is point that?
4 A wooden box has three switches on the outside that control three light bulbs on the inside.When the box is closed you can turn the swithches on or off but when you opn the box how can you tellwhich switch controls each bulb without touching the switches?

Answer 1

1 What’s full of holes but still holds water?
什么东西千疮百孔却可以盛水?
Keys：A sponge．..
是海绵.
2 What is light as a feather,but even the strongest man cannot hold it more than a minute?
Keys：Breath
3 A man says,“Brothers and sisters,have I none,but that man's father 's is my father's is my father is my father's son."
Who is point that?
Keys：His son
4 A wooden box has three switches on the outside that control three light bulbs on the inside. When the box is closed you can turn the swithches on or off but when you opn the box how can you tellwhich switch controls each bulb without touching the switches?
Keys：Turn 2 of them on. After a while turn one off and go up to the light bulbs. The one which was left on will be lit, the one which is warm but off is the middle one, the cold unlit one is the one left off.