题目列表(包括答案和解析)
Stop reading for a mirage and think about what you see when you look up at the sky on a clear night. You probably see many stars. Long long ago, farmers watched some stars to know when to plant their crops. Travellers did so to find their ways in the dark. Today stars are still important to some people. Scientists found out that most stars are very big. In fact some stars are so far away that it would take millions of years to get to them even by spaceship. Another thing we know today about stars is that some are made up of hot gases. The gases are so hot that they send out light. If you watch a star carefully, you may notice that it twinkles
(闪烁)sometimes. As you may understand, light from a star must shine through the air before you can see the star. Air is always moving, it makes fight from the star move back and forth. When the light moves, it makes the star twinkle. Stars also have different colors. The color of a star depends on how hot it is. To our surprise, the cool stars are red and the hottest are blue white根据短文内容选择最佳答案
(1) The speaker asked us ________.
[ ]
A
.to stop looking up at the sky for a minute on a clear nightB
.to think about what we saw when we looked up at the sky on a clear nightC
.to stop to have a rest and look up at the sky(2) Long long ago, travelers ________ to find their ways in the dark.
[ ]
|
A .made a fire |
B .used a lamp |
C .watched stare |
(3) Why does a star sometimes twinkle? Because ________.
[ ]
A
.its light travels through the moving airB
.its light is too brightC
.it is made up of hot gases(4) What is the color of the cool stars?
[ ]
|
A .blue white |
B .yellow |
C .red |
(5) From the passage we know the speaker might be ________.
[ ]
|
A .a teacher |
B .a singer |
C .a traveler |
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A man with a green bag walked into a doctor’s room.“Please sit down.Open your mouth and put out your tongue(舌头),”the doctor said.“OK.You can close your mouth now.It’s clear something is wrong with you.You have to do more exercise.”
“But,doctor,”the man said.“I don’t think…”
“Don’t tell file what you think.”the doctor said.“I am the doctor.not you.I know what you need.I see hundreds of people like you.None of them get any exercise.They sit in offices all day and in front of the television in the evening.What you need is to walk quickly for al least 30 minutes a day.”
“Doctor,you don’t understand,”the man said.“I…”
“I don’t want to hear ally excuses.”the doctor said.“You must find time for exercise.If you don’t,you will get fat and have health problems when you are older.”
“But I walk every day,”the man said.
“Oh,yes,and I know what kind of walking that is.You walk a few meters to the train station from your house.a few more meters from the station to your office,and a few more meters from your office to a restaurant for lunch and back.”
“Please listen to me,doctor!”the man shouted,getting angry.
“I’m a mailman.”the man continued.“I walk for seven hours every day and I come to send letters.”
For a moment,the doctor said nothing,and then he said slowly,“Put your tongue out again,will you?”
1.What is the color of the man’s bag?
A.Black. B.Green. C.Blue. D.Yellow.
2.What did the doctor ask the man first to do when he came in?
A.To put down his bag. B.Tb sit down.
C.To open his mouth. D.To close his mouth.
3.The doctor thought_________ .
A.the man was too fat and too old
B.the man was lazy and ate too much
C.there was nothing wrong with the man
D.most of his patients needed enough exercise
4.The mailman sends letters________ every day.
A.on foot B.by bike C.by car D.by bus
5.Which of the following is TRUE?
A.The doctor did exercise every day.
B.The man walked a long way to the station.
C.The man got angry with the doctor.
D.The doctor gave the mailman some medicine.
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