完形填空

　　Number sense is not the ability to count．It is the ability to recognize a 　　1　　 in number．Human beings are born with this ability．　　2　　, experiments show that many animals are, too．For example, many birds have good number sense．If a nest has four eggs and you remove one, the bird will not 　　3　　．However, if you remove two, the bird 　　4　　 leaves．This means that the bird knows the 　　5　　 between two and three．

　　Another interesting experiment showed a bird's 　　6　　 number sense．A man was trying to take a photo of a crow(乌鸦)that had a nest in a tower, but the crow always left when she saw him coming．The bird did not 　　7　　 until the man left the tower．The man had an 　　8　　．He took another man with him to the tower．One man left and the other stayed, but they did not 　　9　　 the bird．The crow stayed away until the second man left, too．The experiment was 　　10　　 with three men and then with four men．But the crow did not return to the nest until all the men were 　　11　　．It was not until five men went into the tower and only four left that they were 　　12　　 able to fool the crow．

　　How good is a human's number sense? It's not very good．For example, babies about fourteen months old almost always notice if something is taken away from a 　　13　　 group．But when the number goes beyond three or four, the children are 　　14　　 fooled．

　　It seems that number sense is something we have in common with many animals in this world, and that our human 　　15　　 is not much better than a crow's．

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完形填空

　　Sam's uncle had an old bird which sat in its cage all day．One day his uncle said,“It is too expensive to 　　1　　 that bird．We will get rid of it．”But Sam wanted to 　　2　　 the bird．

　　Sam's grandfather told him that the bird was once a famous 　　3　　 bird．Now 　　4　　 people knew it．His grandfather took the bird out, and then quickly took his arms away．The bird opened its huge 　　5　　 and flew into the sky．After a few minutes, it 　　6　　 with a small rabbit, cut it open and started to 　　7　　 it．

　　The next morning, Sam asked his uncle out．Sam did 　　8　　 his grandfather had done, but the bird 　　9　　 to the ground and stood still．Sam's uncle 　　10　　．Later his grandfather told him that the bird only hunted in late afternoon when light was less 　　11　　．Sam asked his uncle to come out before 　　12　　．This time the bird caught a mouse．His uncle was quiet with 　　13　　, but laughed again,“We can't eat mice, so this bird is 　　14　　．”And he sold the bird without telling Sam．

　　Before Sam found the bird was 　　15　　, two angry men arrived in a car．They 　　16　　 his uncle and said, the bird couldn't hunt and they wanted their money back．Sam's uncle looked 　　17　　 and said,“I have spent it．But…don't worry!”He 　　18　　 at Sam,“Sam will show you 　　19　　 to make the bird hunt!It's a great bird, isn't it, Sam?”Sam opened the door of the car and took out the 　　20　　．It flew away and disappeared forever．

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完形填空

　　While I was standing at the kitchen window, five－year－old Spencer, my oldest son, ran into the house 　　1　　,“We need a doctor out here!We need a doctor!Hurry, Mom!”“What's wrong?”I asked．Spencer anxiously told me he had found a dead bird that needed a doctor．

　　Dutifully(顺从地)，I seized a small plastic bag from the cupboard and took Spencer's hand－　　2　　, that's the sort of thing mothers do!While my son led me out of the door and 　　3　　 the bird, I explained that if the creature was indeed dead, a doctor could not 　　4　　．When we arrived at the 　　5　　 scene, it was obvious that the baby bird was dead．Spencer and I could see the nest(鸟巢)high up in the tree．My son and I 　　6　　 the probable age of the baby bird, its inability(无能力)to fly well, and exactly how the 　　7　　 had caused its death,“I think his mommy and daddy really 　　8　　 him,”Spencer observed．I 　　9　　 my boy's hand and tried to ease his 　　10　　 by saying I was sure they did, 　　11　　 they would be okay because the little bird had gone to Heaven to be with God and PoPo(my deceased(去世了的)grandfather)．I assured(使确信)Spencer that the 　　12　　 and loved．I told Spencer that PoPo loved one would be 　　13　　 he was in Heaven holding and playing with the baby bird 　　14　　．I pick up the little creature's body, slipped(悄悄放到)it into my plastic bag an 　　15　　 placed the bird in the rubbish bin．　　16　　 was said about the matter for the rest of the day．Spencer went right back to playing 　　17　　 he had never been interrupted, and I returned to my work in the kitchen．

　　At breakfast the next morning, Spencer sadly explained to his father that he had found a baby bird the day before that had fallen from its nest．

　　“It was dead, Daddy!”

　　Trying to 　　18　　 Spencer's spirits and remind that the little bird was really 　　19　　, I asked our son to tell Daddy 　　20　　 the baby bird was．Spencer, looking solemn faced at his dad, stated,“In the rubbish bin with Mama's granddad, PoPo．”

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阅读理解

　　I lie there, listening to my four brothers．James, the youngest, laughs in his sleep．His dreams are comical．Sometimes he wakes himself up laughing, but he never remembers the joke．The light comes in through the window．A bird begins its song．

　　“How can you live in that place, all together like olives(橄榄)in a jar?”This is Max talking．He’s an only child．He knows only space and light and science．But we don’t complain．No one gets lonely．The window can’t hurt us with all that body heart．

　　A month ago, six relatives came．I didn’t even know their names．I slept in the bathtub with a towel for a sheet．In the summer, when my distant cousins arrived, I slept in the yard, in an old tent．The air was cool, and the tent full of holes, so I could see the stars．They stayed a month, like a traveling circus, all shouts and action and fighting until the sun went down．When they left, it felt like a storm passing over the hills．I returned to my bed, my sleepless nights, and James’ laughter．

　　The bird sings louder now．It’s finding its voice．

　　My mother is a window．She’s raising us alone．You could say I’m the man of the house．That’s why I take care of the boys．She cleans all day in a rich man’s apartment, comes home and carries on cleaning．There’s always one of us with blood on his knees or a face full of dirt．If she had six pairs of hands, it wouldn’t be enough．I work after school, with my friend Max and his father-in-law．We move furniture from house to house：tables, chairs, pianos as big as cars．They say I’m a good worker．I take after my mother．

　　Suddenly the light hits me in the face and someone says,“Get up, sleepyhead．”The bird’s song is lost in the sound of running water and yawns and bodies moving．James laughs．A new day begins．

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