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回答下列問題。

1．What doesn’t ask questions, but need to be answered?

________________________

2．What comes down but never goes up?

________________________

3．What goes up and down, but doesn’t move?

________________________

4．What does a gardener first put in the garden?

________________________

5．What has no beginning and no end?

________________________

想一想，然后回答。

1．What part of London is in France?________．

2．I have cities but no houses, forests but no trees, rivers without water．What am I?________．

3．What have two legs but cannot walk?________．

4．Why do people go to bed?________．

5．What city is a famous president?________．

6．What is it that you cannot see, but it is always before you?________．

It’s a simple(簡單的)sum(算術(shù)題)．Can you work out which number is represented(代表)by the letter O and which is represented by the K?

K

K

＋K

________

OK