阅读短文.然后根据内容完成问题. Dr Ray:Then you must thank trees for that, too．Trees are natural air conditioners．(A)他们吸掉空气中的废气.然后把氧气释放到空气中.How many people are there in your class, Judy? Judy:Forty-six． Dr Ray 题目和参考答案——青夏教育精英家教网—

题目内容

阅读短文，然后根据内容完成问题。

　　Dr Ray：Then you must thank trees for that, too．Trees are natural air conditioners．(A)他们吸掉空气中的废气，然后把氧气释放到空气中。How many people are there in your class, Judy?

　　Judy：Forty-six．

　　Dr Ray：Well, one and a half hectares of trees could produce enough oxygen to keep your whole class alive and healthy for a year．

　　Judy：That's wonderful．

　　Dr Ray：(B)Trees cool the air as well as clean it．(C)Three trees can do the job of 15 air conditioners running almost all day．

　　Judy：You certainly know a lot about trees, Doctor Ray．

　　Dr Ray：Thank you, Judy, but I don't, really．Scientists are only now beginning to understand them．(D)________, did you know that when insects attack a tree, it can warn its neighbours? The trees can then protect themselves by producing a chemical that makes their leaves taste nasty．And some trees can join their roots together underground, and pass food and water around．Trees are communicating with one another, but we don't know how．

　　Judy：Are trees in danger?

　　Dr Ray：In great danger．We cut down and burn millions every year but we replace hardly any of them．We are destroying our best fighters against pollution．

1．将(A)译成英语：________

2．将(B)部分转换成：Trees ________　________ cool the air ________　________ clean it．

3．将(C)部分翻译成汉语：________

4．在(D)处填上一个合适的词语：________

5．找出文中描写树对空气作用的两个词：________　________

答案：
解析：

　　1．They take harmful gas from the air, and release oxygen into the air．

　　2．not　only　but　also

　　3．三棵树就能够做15台空调近乎一天的工作。

　　4．For example

　　5．cool　clean

练习册系列答案

The world itself is becoming much smaller by using modern traffic and modern communication. Life today is much    【小题1】   than it was hundreds of years ago, but it has brought new problems. One of the biggest is    【小题2】    . To pollute means to make things dirty. Pollution comes in many ways. We see it, drink it and even hear it.
Man has been polluting the earth. The more people are, the more pollution is. Many years ago, the problem was not so 【小题3】    because there were not so many people. When the land was    【小题4】  up or the river was dirty in a place, men moved to another one. But this is no    【小题5】     true. Man is now slowly pollution the   【小题6】   world.
Air pollution is still the most serious. It’s bad to all living things in the world, but it is not
【小题7】  one kind of pollution. Water pollution   【小题8】    our fish and pollutes our drinking water. Noise pollution makes us become angry more easily.
Many countries are making rules to    【小题9】    pollution. They stop the people from burning coal in houses and factories in the city, and from blowing dirty smoke into the air. The pollution of SO2 is now the most dangerous problem of air pollution. It is caused by heavy traffic. It is certain that if there are fewer people driving, there will be   【小题10】   air pollution.
The earth is our home. We must take care of it. That means   【小题11】    the land, water and air clean.

先阅读短文，然后根据短文内容从方框内所给的单词中选择最恰当的词（注意词形变化）填入短文空白处，使短文完整、通顺。一词只用一次，一空限填一词。方框中有两个词是多余的。

well, homework , come , dress, important , parent , hold , nothing , how , necessary , help, housework, anything

Now lots of parents will buy everything that their children want to have. If they go on with the habit , their children won’t know the money    1   from hard work .
Some parents like to   2  birthday parties for their children . If they keep on doing this , their children will think it   3  for them to enjoy birthday parties every year . Year after year , maybe they will forget their    4  birthdays and only remember their own . It is against traditional habits.
Many parents don’t let the children do    5  . They think children have only one thing to do. They should study hard and do 6 in their lessons . If parents go on doing like this, the children will only learn to open their mouths to be fed and stretch out (伸出) their arms to be   7   every day . When the children grow up , they will be able to do    8  , and they won’t even find a 9  . Parents should teach the children    10   to do housework because it can   11     them start good habits of working by themselves.

先阅读短文，然后根据短文内容从方框内所给的单词中选择恰当的词（注意词形变化）填入短文空白处，使短文完整、通顺。一词只用一次，一空限填一词。方框中有两个词是多余的。将能填入空白处的答案写在答题卡上的相应题号后。

The world itself is becoming much smaller by using modern traffic and modern communication. Life today is much    【小题1】   than it was hundreds of years ago, but it has brought new problems. One of the biggest is    【小题2】    . To pollute means to make things dirty. Pollution comes in many ways. We see it, drink it and even hear it.
Man has been polluting the earth. The more people are, the more pollution is. Many years ago, the problem was not so 【小题3】    because there were not so many people. When the land was    【小题4】  up or the river was dirty in a place, men moved to another one. But this is no    【小题5】     true. Man is now slowly pollution the   【小题6】   world.
Air pollution is still the most serious. It’s bad to all living things in the world, but it is not    【小题7】  one kind of pollution. Water pollution   【小题8】    our fish and pollutes our drinking water. Noise pollution makes us become angry more easily.
Many countries are making rules to    【小题9】    pollution. They stop the people from burning coal in houses and factories in the city, and from blowing dirty smoke into the air. The pollution of SO2 is now the most dangerous problem of air pollution. It is caused by heavy traffic. It is certain that if there are fewer people driving, there will be   【小题10】   air pollution.
The earth is our home. We must take care of it. That means   【小题11】    the land, water and air clean.

先阅读短文，然后根据短文内容从方框内所给的单词中选择恰当的词（注意词形变化）填入短文空白处，使短文完整、通顺。一词只用一次，一空限填一词。方框中有两个词是多余的。

with, easy, How, almost, good-bye, wear, left ,from, pleased, prepare, what , make, when

One will feel happy when others flatter （奉承）him in his face. It is said that the best way of flattering someone is to give him a “top hat” to    73  .
A student was going to leave the capital to become an official in a city far away. Before he started, he came to say    74   to his teacher.
“It is not an    75   job to be a good official,” his teacher warned. “You must be strict    76   yourself and never be careless.”
“Don’s worry about me, sir.” the student answered. “I have already    77   one hundred top hats, which will    78   those people quite happy.”
“But we are real gentlemen!    79   could a real gentleman do such a thing?” his teacher was a bit angry. “Never forget    80   I taught you in class!”
“You are always right, sir. I also hate such things. But sir,    81   no one real gentleman like yourself can be seen in the world now,” said the student. It seemed that he had to do so.
After hearing this, the teacher was    82  . “What you said is true!”
“Of my one hundred top hats, I have ninety-nine    83   .” the student said to his friend later.

with, easy, How, almost, good-bye, wear, left ,from, pleased, prepare, what , make, when

One will feel happy when others flatter （奉承）him in his face. It is said that the best way of flattering someone is to give him a “top hat” to 73 .

A student was going to leave the capital to become an official in a city far away. Before he started, he came to say 74 to his teacher.

“It is not an 75 job to be a good official,” his teacher warned. “You must be strict 76 yourself and never be careless.”

“Don’s worry about me, sir.” the student answered. “I have already 77 one hundred top hats, which will 78 those people quite happy.”

“But we are real gentlemen! 79 could a real gentleman do such a thing?” his teacher was a bit angry. “Never forget 80 I taught you in class!”

“You are always right, sir. I also hate such things. But sir, 81 no one real gentleman like yourself can be seen in the world now,” said the student. It seemed that he had to do so.

After hearing this, the teacher was 82 . “What you said is true!”

“Of my one hundred top hats, I have ninety-nine 83 .” the student said to his friend later.

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