阅读理解

阅读下面文章，根据文章内容，从每小题所给的A、B、C、D四个选项中选出能回答所提问题或完成所给句子的最佳答案。

　　It was so dark outside the car window that is was hard to see anything．

　　“Can I have a carrot, Mum?” Riley asked．

　　“I don't have any carrots,” her mum said．“How about an apple?”

　　“No,” said Riley．“It has to be a carrot．”

　　“Why do you want a carrot?” asked her mum．

　　“You always say carrots help your eyes,” said Riley．“If I eat one now, it might help me see in the dark．”

　　Would eating a carrot really help Riley? What is special about carrots? A clue to what makes a carrot special is its color．Carrots are orange because they store beta-carotene(胡萝卜素)．Beta-carotene is a way to talk about Vitamin A(维生素A)．Your eyes need Vitamin A．It helps them work．

　　When light hits your eye, very small parts inside turn the light into messages．The messages go to your brain(脑),and then you know what you're looking at．Your eye can only turn light into messages when it has a special chemical(化学物质)．That's where Vitamin A comes in．Your eyes use Vitamin A to make the special chemical．Every time your eye changes light to messages, a little bit of the chemical is used up．By the end of the day, you've looked at hundreds of things．That uses up a lot of the chemical．Your eyes need to make more．

　　What should you eat if you don't like carrots? Don't worry．Other fruits and vegetables have Vitamin A too．The secret is in their color．Most orange or red fruits store some beta-carotene, or Vitamin A．Sweet potatoes, red peppers, mangoes(芒果)are a few that have the same orange secret．Can you think of any more?

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完型填空

　　“ I don’t have to go to school．My school 　　1　　 me!” Sara showed me her room．“This is my classroom and this is my teacher and the other 　　2　　” She pointed to a large radio with a microphone．Sara lives with her parents on a farm in Central Australia．It’s about 60 miles from her farm to her neighbors．

　　She can’t go to 　　3　　 because her farm is so far away from 　　4　　．There are a lot of children like her in Australia．They use the “School of the Air”．There are 12 of 　　5　　 for children in the outback(内地)of Australia．They are at these schools until they are about 12 years old．Sara said, “We talk to our teachers every day on the 　　6　　．And our 　　7　　 last about 30 minutes．Our teachers 　　8　　 us the class work and we do it before our lessons．Twice a year our teacher 　　9　　 us, and once a year all the students　　10　　．That’s the best time of the year．”

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完型填空

　　In New York, on a Friday night, a poor young artist stood at the gate of a train station．He was playing his 　　1　　．His music was so great that many people put money into his 　　2　　．

　　The next day, the young artist came to the 　　3　　 place, and played the violin as usual．Different from the day before, he took out a piece of paper and put 　　4　　 on the ground．The paper read,“Last night, a man named George Sang put an important thing into my hat 　　5　　．Please come to get it soon…”

　　　　6　　 about half an hour, a(an)　　7　　 man there in a hurry,“Oh, it’s you．You did come here．”The young violinist asked 　　8　　,“Are you Mr George Sang?”“Yes!Yes!”Then the violinist asked,“Did you lose something?”“Lottery(彩票)．It’s the most valuable lottery in my 70 years of life,”said the man．

　　The violinist 　　9　　 a lottery ticket．George Sang’s name was on it, so the violinist 　　10　　 it to him．

　　Later someone asked the violinist,“Since you 　　11　　 play the violin every day to make your tuition(学费)in the university, why didn’t you keep the lottery ticket for yourself?”

　　The violinist said,“　　12　　 I don’t have much money, I live happily; but if I lose honesty, I won’t be happy forever．”

　　Through our lives, we can get a lot and lose so 　　13　　．But being 　　14　　 should always be with us．If we act in a dishonest way, we may 　　15　　 in a short period．However, from the long-term view, we will be a loser．

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