Can a tree laugh？ When it comes to laughing，this tree is really funny．This is because the fruit of this tree has a hole in it．If the wind blows，this amazing tree "laughs"．When people first hear it laughing，they are usually quite surprised and begin to laugh along with the tree，It grow in the middle of Africa．

Can a fossil be alive？ Look at these plants．It grows in the southwest of Africa．Like most plans，it has roots．But it has only two leaves，and a stem．Its two leaves continue to grow for its whole life．Does it look old？Not really．Actually this plant can live as long as 1500 years，so people call it living fossil．

Can a fish fly？ When asked about this question，most people will say no．But look at this fish．It looks like a bird with its large wings．When it is in danger，it can jump and fly out of the water，and flap its wings up to 70 times a second to avoid，enemies．You can see a flying fish all over the world．

Can't birds fly？ Of course，birds can fly except Kiwis．Kiwis are named birds，but they can't fly．Kiwis can be as big as chickens．Like all birds，they lay eggs﹣﹣﹣﹣big eggs．People call them Kiwis because they made the sound：kee﹣weee．Kiwis live in New Zealand and are a national animals of the country，Do you like them？

44．If you go to the middle of Africa，you can see　　

A．a fish that can't swim  

B．a bird that can't fly

C．a tree that can laugh   

D．a plant that can live 1500 years

45．The flying fish can jump and fly out of the water when it　　．

A．sees other fish

B．wants food

C．need fresh air

D．meets enemies．

46．From the passage，we know that　　．

A．people call the birds Kiwis because of their sound

B．people laugh along with the tree when they touch it．

C．people call the plant a living fossil because it looks old

D．people can see a flying fish only in the southwest of Africa．

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