What is the sky(天空)? Where is it? How high is it? What lies above it? These questions are hard to answer, aren't they?
Is the sky blue? The sky has no color．We know that there is air around the world．When planes fly, they need air to lift their wings(翼)．Planes cannot fly very high because when they go high, the air gets thinner．If we go up about 1,200 kilometers from the earth, we find there is no air．
Perhaps(也许)we can answer some of our questions now．The sky is space(空间)．In this space there is only the sun, the moon and all the stars．
(1)
What is the sky?
[ ]
A．
It's the clouds
B．
It's space．
C．
It's air
D．
It's nothing
(2)
The sky ________
[ ]
A．
is blue
B．
is white
C．
is black
D．
has no color
(3)
Planes cannot fly very high because ________．
[ ]
A．
the air becomes thinner
B．
the flying machine is not good
C．
people will be afraid if the planes fly too high
D．
it is not necessary for planes to fly so high
(4)
If we go up about 1,200 kilometers from the earth, we find ________．
Most American children eat potatoes．But many children don't know what of the potato is the best for food．Take a knife and cut from the middle of the potato a piece as thin as paper．Hold the piece between your eyes and light．You will see that the potato has skin(皮)，an outside rim(边缘) and an inside part．The outside rim which is right under the skin of the potato，is the most valuable part of all．But this is often thrown away with the skin．Even the skin itself is better for food than the inside．When eating a cooked potato，if you choose the inside and leave the outside，you are throwing the best part of it．If you can't eat the whole potato，eating the outside rim and leaving the inside will do．
(1)
How many parts does the potato have?
A．It has only one part，outside rim．
B．It has two parts，skin and outside rim．
C．It has three parts，skin，outside rim and an inside part．
D．It has four parts，middle，skin，outside rim and an inside part．
[ ]
(2)
What is the best part of a potato?
A．Outside rim． B．Inside part． C．Middle． D．Skin．
[ ]
(3)
What should you eat first if you can't eat the whole potato?
A．Skin only． B．Inside． C．Outside rim． D．Part of it．
What are the things you must not do when you’re in the school buildings?
(2)
Can you leave school at lunch-time?
(3)
What must you do when your teacher comes into your classroom?
(4)
What do the school rules say about fight?
(5)
When must you get to school every morning?
阅读理解
Jack is a twenty-year-old young man．Two years ago, when he finished middle school, he found work in a shop．Usually he works until ten o’clock in the evening．He is very tired when he gets home．After a quick supper he goes to bed and soon falls asleep．His grandma who lives downstairs is pleased with him．
One day, on his way home, he met his friend Mary．They were both happy．He asked the girl to his house, and she agreed happily．He bought some fruit and drinks for her．And they talked about their school, teachers, classmates and their future．They talked for a long time．
“Have a look at your watch, please,”said the girl．“What time is it now?”
“Sorry, something is wrong with my watch,”said Jack．“Where’s yours?”
“I left it at home．”
Jack thought for a moment and found a way．He began to stamp his foot on the floor, “Bang! Bang! Bang!”
The sound woke his grandma up．The old woman shouted downstairs, “It’s twelve o’clock in the night, Jack．Why are you still jumping upstairs?”
(1)
Jack was ________ when he finished middle school．
[ ]
A．
sixteen
B．
eighteen
C．
twenty
D．
fifteen
(2)
The old woman is satisfied with Jack because ________．
[ ]
A．
he’s her grandson
B．
he’s clever
C．
he can keep quiet
D．
he gets home on time
(3)
From the story, we can know that Mary is Jack’s ________．
[ ]
A．
classmate
B．
colleague (同事)
C．
aunt
D．
wife
(4)
The word “stamp” in the story means ________ in Chinese．
[ ]
A．
盖印
B．
跺
C．
贴邮票
D．
承认
(5)
Jack stamped his foot on the floor inorderto (为了)________．
