Everyone has a personality．One person might love to run and jump．Another may prefer to sit and think．Animals have personalities，      ．Scientists study their behavior，or the way they act，in order to learn more about them．Here are     kinds of animals that have special personalities．
A cat called Phoenix doesn’t need anyone to open doors      him．When he wants to go out，he just pushes a special doorbell．The doorbell’s inventor thought that many people would rush to buy the cat doorbells，but      have been sold．That may be because not many cats have the same personality as Phoenix．
Scientists at Seattle’s Woodland Park Zoo gave carved pumpkins (雕刻的南瓜)to their chimpanzees．They wanted to know      their chimpanzees played with the pumpkins before eating them．A chimpanzee called Jumoke      a lot of time picking out the biggest pumpkin．Another chimpanzee called Alafia looked for a pumpkin she could fit over her head．Congo，a chimpanzee from South Africa，chose a pumpkin with a face he liked best．     chimpanzee showed his or her personality while making choices．
Most parrots can only repeat(重复)words their owners say，      one parrot，named Alex，is a talker and a good listener! When his      showed different objects to him at the same time，Alex Can pick out the yellow object，the biggest object，or even“the one under the square．”Alex also has a good memory．If his owner asks，“Alex，what color is corn?”Alex answers，“Yellow．”He can do this even if there is      corn in the room．

A．too B．also C．either D．neither

A．three B．four C．five D．six

A．from B．for C．to D．by

A．many B．few C．much D．little

A．where B．when C．what D．how

A．took B．cost C．spent D．made

A．All B．Either C．None D．Each

A．but B．and C．instead D．besides

A．father B．mother C．teacher D．owner

A．not B．anything C．no D．any

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