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It was so dark outside the car window that it was hard to see anything.
“ Can I have a carrot, Mom?” Bruce asked.
“I don’t have any carrots,” his mom said. “How about an apple?”
“No,” said Bruce. “It has to be a carrot.”
“Why do you want a carrot?” asked his mom
“You always say carrots help your eyes.” said Bruce. “If I eat one now, it might help me see in the dark.”
Would eating a carrot really help Bruce? What is special about carrots? What makes a carrot special is its color. Carrots are orange because they contain(包含) bta-carotene( 胡萝卜素). Beta-carotene is a way of saying vitamin 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(大脑), 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). Your eyes use vitamin A to make the special chemical. Every time your eye changes light into 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 and vegetables contain beta-carotene, or vitamin A, Sweet vegetable, red peppers(胡椒), Mangoes(芒果) are a few foods that have the same orange secret.
【小题1】 Bruce wanted a carrot because he thought _______.
A. he liked it
B. it could help him see in the dark
C. it was sweet and delicious
【小题2】How does vitamin A help your eyes work?
A. The special chemical can stop your eyes from using up vitamin A.
B. The special chemical is used to make Vitamin A which turns the light into messages
C. Vitamin A is used to make the special chemical which turns light into messages.
【小题3】 Which of the following is NOT true according to the passage?
A. Carrots are orange because they store beta-carotene.
B. Any food which is orange or red must have some Vitamin A.
C. Most fruits that are orange or red store some beta-carotene or Vitamin A.
【小题4】 Sweet vegetable, red peppers, and mangoes don’t have the same orange secret, do they?
A. No, they don’t. B. Yes, they do. C. I’m not sure.
【小题5】 The passage mainly tells us that _______.
A. we can’t see in the dark unless we eat many carrots every day
B. we can’t see unless we eat a lot of orange or red food every day
C. we should eat some food containing vitamin A so that we can see well
It's not just women who wear skirts. Men can wear them, too. In Scotland, men wear a kind of skirt called a kilt. The kilt is their national dress and an important part of their tradition (传统).
A kilt is a colored skirt reaching down to the knees(膝盖). It has checks (格子) on it with different colors, like red or blue. Each family in Scotland has its own colors.
How did the Scots start to wear kilts? There are many stories about it. One story is that the kilt was invented (发明) in the 1720s by an English factory owner, Thomas Rawlinson. Rawlinson had a lot of Scottish workers in his factory and he thought their clothing got in the way of their work. So he cut their long clothes into a shorter skirt.
Today, most Scotsmen see kilts as formal(正式)dresses. They usually only wear them at weddings or big dinners. There are only a few men who still wear a kilt every day. Scots also wear kilts in parades when they play their traditional musical instrument(乐器): bagpipes (风笛). The army still has kilts as the dress uniform (制服), but they no longer wear them to fight (打仗).
【小题1】 A kilt is ____.
A. | B. | C. | D. |
A.colors | B.checks | C.rules | D.shapes |
A.到达 | B.得到 | C.在路上 | D.妨碍 |
A.At weddings | B.At big dinners | C.In parades | D.all of the above |
A.things about Scotsmen's traditional kilts |
B.how to wear kilts |
C.when to wear kilts |
D.Scotsmen's important tradition |
It's not just women who wear skirts. Men can wear them, too. In Scotland, men wear a kind of skirt called a kilt. The kilt is their national dress and an important part of their tradition (传统).
A kilt is a colored skirt reaching down to the knees(膝盖). It has checks (格子) on it with different colors, like red or blue. Each family in Scotland has its own colors.
How did the Scots start to wear kilts? There are many stories about it. One story is that the kilt was invented (发明) in the 1720s by an English factory owner, Thomas Rawlinson. Rawlinson had a lot of Scottish workers in his factory and he thought their clothing got in the way of their work. So he cut their long clothes into a shorter skirt.
Today, most Scotsmen see kilts as formal(正式)dresses. They usually only wear them at weddings or big dinners. There are only a few men who still wear a kilt every day. Scots also wear kilts in parades when they play their traditional musical instrument(乐器): bagpipes (风笛). The army still has kilts as the dress uniform (制服), but they no longer wear them to fight (打仗).
1. A kilt is ____.
A.
B.
C.
D.
2.In Scotland, different families have different ___.
A. colors B. checks C. rules D. shapes
3.What does "got in the way of" in the third paragraph mean?
A. 到达 B. 得到 C. 在路上 D. 妨碍
4.When do Scotsmen wear kilts?
A. At weddings B. At big dinners C. In parades D. all of the above
5.The story mainly tells us ____.
A. things about Scotsmen's traditional kilts
B. how to wear kilts
C. when to wear kilts
D. Scotsmen's important tradition
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A kilt is a colored skirt reaching down to the knees(膝盖). It has checks (格子) on it with different colors, like red or blue. Each family in Scotland has its own colors.
How did the Scots start to wear kilts? There are many stories about it. One story is that the kilt was invented (发明) in the 1720s by an English factory owner, Thomas Rawlinson. Rawlinson had a lot of Scottish workers in his factory and he thought their clothing got in the way of their work. So he cut their long clothes into a shorter skirt.
Today, most Scotsmen see kilts as formal(正式)dresses. They usually only wear them at weddings or big dinners. There are only a few men who still wear a kilt every day. Scots also wear kilts in parades when they play their traditional musical instrument(乐器): bagpipes (风笛). The army still has kilts as the dress uniform (制服), but they no longer wear them to fight (打仗).
小题1: A kilt is ____.
A. | B. | C. | D. |
A.colors | B.checks | C.rules | D.shapes |
A.到达 | B.得到 | C.在路上 | D.妨碍 |
A.At weddings | B.At big dinners | C.In parades | D.all of the above |
A.things about Scotsmen's traditional kilts |
B.how to wear kilts |
C.when to wear kilts |
D.Scotsmen's important tradition |
There the workers of the dead mail offices have ways to deal with all of these pieces of dead mail. First of all, they look for that can help them deliver the mail; they open packages, expecting that something will show where the package came from or is going to. Dead mail will also be listed on a so that people can call in and check to see if a missing thing is there on the screen. However, all of this mail cannot simply be forever; there is just too much of it. When a lot of dead mail comes together, the dead mail offices hold public auctions (拍卖). Every three months, some people who are are invited to the offices with objects found in dead mail packages and they are sold to the bidder (出价者).
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