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It is ten o'clock at night and you are outside. You can see many stars in the sky. Each star is another sun. The sky is big, and it hag many suns.
Our sun is near to us. It warms us and gives us light in daytime. The stars are not near. We can see their light only at night, and they do not warm us.
The stars are not all the same. Many stars are quite like our sun. They are the same size, and they have the same colour, yellow. Other stars are bigger or smaller. A “giant(巨人)” star is very, very big. A “dwarf(侏儒)”is a small star—smaller than the sun.
Stars have different colours, too. They can be blue, orange, yellow, white or red. There are giants and dwarfs in all these colours. All stars are, of course, very hot. The hottest stars are the blue ones. White stars come next, they are less hot. Then yellow and orange stars are less hot again. Red stars are the least hot, and they are also the oldest stars.
Light moves very quickly across the sky, eighteen million (18,000,000)kilometers in a minute. Our nearest star is a red dwarf. Its name is Proxima Centauri ( proxima ＝ nearest), and it gives a weak, red light. We can just see this light. It left Proxima Centauri 4.25 years ago, and now tonight, it is reaching cur eyes. Think about it! In one minute, 18,000,000 kilometres. So, in 4.25 years—well, how many kilometers? You can find the answer yourself.
I will just say this: Proxima Centauri is a long way from us.
1．According to the temperatures on stars, the right order from the lowest temperature to the highest is ________.
[ ]
A．red→yellow→white→blue
B．orange→red→blue→white
C．blue→white→yellow→red
D．white→blue→orange→red
2．All the following am right except ________.
[ ]
A．a “dwarf” is smaller than the sun
B．there are dwarfs in different colours
C．a “dwarf” is a small star
D．dwarfs are the least hot
3．How far away is the star Proxima Centauri from us?
[ ]
A．40,208,400,000,000 kilometres.
B．9,460,800,000,000 kilometres.
C．679,140,000,000 kilometres .
D．279,225,000,000 kilometres .
4．When we say “The star Procyon is ‘ten light years’ away.”, we mean ________.
[ ]
A．we can reach the star in ten years
B．we first saw the star ten years ago
C．the light left Procyon ten years ago
D．Procyon has been that far away for ten years
查看习题详情和答案>>On Wednesday afternoon Annie took the bus into town to shop in the market. For an hour or so she would walk up and down between the stalls looking at everything, buying here and there, and 1 a sharp lookout for the bargains that were something to be haD．And then, with all the 2 she needs bought she would leave the market for the 3 of the town to spend another hour 4 she liked best, looking in furniture-shop windows.
One Wednesday she found a 5 shop full of the most delightful things, with a 6 inviting anyone to walk in and look round without 7 they had to buy something. Annie hesitated a moment 8 stepping through the doorway where, almost at once, she stopped 9 before a green armchair. There was a card on the chair which 10 ,“This fine chair is yours for less than a pound a week,” and very small at the bottom, “Cash price eighty-nine pounds fifty.” A pound a week …Why, she could almost pay that out of her housekeeping money and never 11 it!
A voice at her shoulder made her 12 .“Can I help you, Madam?” She looked 13 at the assistant who had come softly to her 14
“Oh, well, no,” she said, “I was just 15 .”
“We have chairs of all kinds in the 16 . If you'll just come up, you will find something to 17 you.”
Annie, worried at the thought of being 18 to buy something she didn't 19 , left the shop 20 .
1．A．taking B．making C．fixing D．keeping
2．A．chairs B．furniture C．things D．bargains
3．A．shops B．streets C．delightful things D．bus station
4．A．in the way B．by the way C．in a way D．in one way
5．A．new B．noisy C．large D．strange
6．A．message B．notice C．note D．flag
7．A．arguing B．declaring C．frightening D．feeling
8．A．when B．before C．after D．while
9．A．doubted B．surprised C．puzzled D．delighted
10．A．wrote B．told C．informed D．said
11．A．lose B．miss C．pass D．make
12．A．jump B．run C．laugh D．surprise
13．A．round B．straight C．behind D．up
14．A．place B．back C．side D．front
15．A．thinking B．looking C．walking D．passing
16．A．doorway B．storehouse C．showroom D．market
17．A．suit B．fit C．serve D．match
18．A．advised B．made C．persuaded D．cheated
19．A．like B．afford C．pay D．need
20．A．slowly B．thoughtfully C．hurriedly D．carefully
查看习题详情和答案>>“You'll have to take care of the baby today,” a woman told her husband . “ I'm not feeling well.”
“Then you must stay in bed and rest, dear. “ her husband said. “I'll be pleased to look after our baby. “
“Thank you. I'll have a quiet day and I'll soon get better. “ his wife told him.
“Shall I do the shopping for you as well?” her husband asked.
She was very pleased and said, “That will help me very much. I'll give you a list of things to buy. “
She wrote out the list and gave it to him.
“You can get all these things at the supermarket,” she said.
“You can put the baby in the shopping cart, then you won't have to leave him outside.”
The man took the baby to the supermarket and put him in the shopping cart. Then he pushed the shopping cart along the rows of things to buy and looked for those that were on his list.
At first all was well, but then the baby began to cry.
Then he started to scream.
And scream!
And SCREAM!
“Keep calm ,George, ” the man said. “Don't get excited. Don't shout, George. Don't lose your temper, George.”
A woman in the supermarket heard him saying these things. She walked up to him.
“I think you are wonderful ,”she said. “You are so patient with your little George. ”
“Madam, ”" the man said, “I'm George. He's Edward.”
1. Why did the man take care of the baby?
|
A．it was his turn. |
B．His wife was not well. |
|
C．His wife was not at home. |
D．He always looked after it. |
2.Why did the man take the baby to the supermarket?
|
A．He had to go shopping.
|
B．He wanted to show the baby to his friend. |
|
C．He wanted to give the baby a ride in a shopping cart. |
|
|
D．The baby liked going to the supermarket. |
3.What did the baby do in the supermarket?
|
A．pushed the shopping cart |
B．lost its temper |
|
C．made a lot of noise |
D．helped his father |
4.Finally we can infer from the story that_____ .
|
A．the man was very calm when the baby was crying |
|
B．the woman was very pleased to see the man |
|
C．the woman mistook George for the baby, while in fact the man was named George |
|
D．the man was very busy in shopping, but he couldn't find all the goods on the list |
查看习题详情和答案>>
—Good morning. Can I help you?
—I’d like to have this package _____, madam.
A. be weighed B. to be weighed C. to weigh D. weighed
查看习题详情和答案>>“You'll have to take care of the baby today,” a woman told her husband . “ I'm not feeling well.”
“Then you must stay in bed and rest, dear. “ her husband said. “I'll be pleased to look after our baby. “
“Thank you. I'll have a quiet day and I'll soon get better. “ his wife told him.
“Shall I do the shopping for you as well?” her husband asked.
She was very pleased and said, “That will help me very much. I'll give you a list of things to buy. “
She wrote out the list and gave it to him.
“You can get all these things at the supermarket,” she said.
“You can put the baby in the shopping cart, then you won't have to leave him outside.”
The man took the baby to the supermarket and put him in the shopping cart. Then he pushed the shopping cart along the rows of things to buy and looked for those that were on his list.
At first all was well, but then the baby began to cry.
Then he started to scream.
And scream!
And SCREAM!
“Keep calm ,George, ” the man said. “Don't get excited. Don't shout, George. Don't lose your temper, George.”
A woman in the supermarket heard him saying these things. She walked up to him.
“I think you are wonderful ,”she said. “You are so patient with your little George. ”
“Madam, ”" the man said, “I'm George. He's Edward.”
Why did the man take care of the baby?
A. it was his turn. B. His wife was not well.
C. His wife was not at home. D. He always looked after it.
Why did the man take the baby to the supermarket?
A. He had to go shopping.
B. He wanted to show the baby to his friend.
C. He wanted to give the baby a ride in a shopping cart.
D. The baby liked going to the supermarket.
What did the baby do in the supermarket?
A. pushed the shopping cart B. lost its temper
C. made a lot of noise D. helped his father
Finally we can infer from the story that_____ .
A. the man was very calm when the baby was crying
B. the woman was very pleased to see the man
C. the woman mistook George for the baby, while in fact the man was named George
D. the man was very busy in shopping, but he couldn't find all the goods on the list
查看习题详情和答案>>