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You can see whales( 鲸 )in the sea in many parts of the world

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You can see whales( 鲸 )in the sea in many parts of the world.Now,whale watching is a tourist business in some places.In California there land trips,boats,etc.to watch grey whales in their natural surroundings.It’s become big business on many beach.
What do the whales feel about this?Well,they seem to enjoy the attention( 注意 ).The whales swim very close to the boat--- sometimes too close!The high stream of water that come from the whales often make the tourists’ clothes very wet; and the whales sometimes move along the boat,rising and falling in a friendly---but dangerous way.The whale even put their heads out of the water for tourists to pat them!
The whales like humans to watch them as they lift themselves high in the air and turn over.
It’s an exciting sight---40 tons( 吨 ) of grey whale!But the whales are so interested in the people who come to see them that they forget their normal way of life.People are now studying the whales to see if their behavior has changed.The U.S.scientists are trying to find out if the whales have stopped marriage.If they have stopped,this could be a serious situation.Perhaps,the whales are too interested in watching the tourists who are watching them.
1.How do the whales like to be watched by tourist?
A.Very much B.A little
C.Not at all D.it’s not mentioned in the reading
2.Who may make the tourist wet?
A.Californians B.Tourists themselves C.U.S.scientist D.The whales
3.What is a serious problem that whale-watching might bring about?___________.
A.Maybe the number of the whales is getting smaller and smaller.
B.Whales swim too close to the boat,which may make the boat sink( )
C.The tourists sometimes pat the heads of the whales.It can get the whales annoyed.
D.Many tourists come to do whale- watching .It can cause much more pollution in the sea.
4.How much may a grey whale weigh from the description in the reading?
A.40kg( 公斤 ) B.400kg C.4000kg D.40,000kg
5.What does the word “who” mean in the last sentence “Who are watching them”?
A.Whale-watches B.Whales C.American scientist D.businessman
ADADA