摘要:9.Brandy is running the squirrels. She wants to them. [自主探究与点拨]

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A rabbit is running into his hole. You may ask, “What happened?”
Well, when a rabbit sees something dangerous, it runs away. Its tail moves up and down as it runs. When other rabbits see this tail moving up and down, they ran, too. They know there is danger. The rabbit has told them something without making a sound. It has given them a signal.
Many other animals use this kind of language. When a bee finds some food, it goes back to his home. It can’t tell the other bees where the food is by speaking to them, but it does dance in the air. This tells the bees where the food is.
But animals say things by making sounds. A dog barks, for examples, when a stranger comes near. A cat purrs(发出呼噜呼噜的声音) when pleased. Some birds make several different sounds, each with its own meaning.
But human beings have something that no animals have---- a large number of words about things, actions, feelings or ideas. We are able to give each other information to tell or inform other people what is in our mind or how we feel. By writing words down we can remind ourselves of the things that have happened, or send messages to people far away. No animals can do this. No animals has the wonderful power of language.
No one knows how man learned to make words. Somehow he learned to make them. As centuries went by, he made more and more new words. This is what we mean by language.
People in different countries made different kinds of words. Today there are about fifteen hundred different languages in the world. A very large English dictionary, for examples, contains four or five hundred thousand words. But we don’t know all these. The words we know are called vocabulary. We should try to make our vocabulary larger. Read as many books as possible. When we met a new word, look it up in the dictionary. A dictionary is the most useful book.
【小题1】What’s the meaning of the underlined word?

A.标语B.信号C.唱片D.图像
【小题2】A dog can tell something__________.
A.by giving signalsB.by making different sounds
C.by purringD.by barking
【小题3】It has been proved that no animals are able to_________.
A.give the others information
B.express their actions and feelings with words
C.tell others how they feel
D.make different sounds, each with its own meaning.
【小题4】Generally speaking, what we mean by “vocabulary” is_______.
A.all the words that we knowB.more and more words we use
C.all the words we needD.the dictionary which contains thousands of words
【小题5】What must we do in order to make our vocabulary larger?
A.Make more and more new words
B.look up some new words in a dictionary
C.learn more language
D.Try to read as many books as possible

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 Is there a chocolate-powered racing car in the world? Hey! You have read too (A)________ children's books! But wait! Now,there is really such a racing car in the world.A team from a British university made it.

         The chocolate-powered racing car's engine(发动机) uses waste from chocolate factories or vegetable oil as fuel (燃料).Its body (B)用土豆制成,its steering wheel is made from carrots,its seat is made of soybeans,(C)________its brake pads(刹车片)are made from nuts! Well,can this car run very fast?  (D) Certainly! It can go from zero to 60 miles per hour in 2.5 seconds,and go as fast as 135 miles per hour.When the racing car is running,it cleans itself and lets out oxygen.

  “It took us more than nine months to (E) complete the racing car,”said a team member.“The car is really green. You can find many of the car's parts at a farmer's market or even in a litter bin because most of the materials(材料) are waste in most people’s eyes.It’s fun.”

However,(F)this eco-friendly  (环保的) car cannot be driven in the official(正式的)race because of the engine's unusual fue.

1.在文中(A)和(C)的空白处分别填入适当的词 ________ ________

2.将文中划线部分(B)译成英语:________

3.写出文中划线部分(D)和(E)的同义词语或近义词语:________ ________

4.将文中划线部分(F)改写为:the engine's unusual fuel makes it________ to________ this eco-friendly car in the official race

5.从文中找出能说明本文中心大意的短语:________

 

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