You can’t see any object unless light from that object gets into your eyes.Some of the things you see give off light of their own。The sun,the stars,a lighted lamp are the examples that can be seen by their own light.But most of the things you see are not giving off light of their own.They are just reflecting(反射)light that falls on them from the sun or some other luminous bodies.The moon,for example,doesn’t give off any light of its own.It is not 1uminous.You see it because sunlight falls on it and some of the sunlight reflects on the earth.So moonlight is only second—hand sunlight.
When you look at a book,it sends some of the light which fails on it to your eyes,and you see the book.If light could be kept out from where you’re so that there would be no light from the book to reflect.Then you couldn’t see the book even with your eyes wide open.Light travels so fast that the time in which it travels from the book you’re reading to your eyes is as short as if there were no time at time.Light reaches us from the moon,which is about 380,000 kilometres away,in only a little more than a second.
小題1:You can see the book because________.
A.your eyes are close to itB.it reflects some of the light
C.it has light of its ownD.it is big enough to be seen
小題2:The Chinese meaning of the world“l(fā)uminous”is close to_______.
A.閃光的B.看不見的C.發(fā)光的D.明亮的
小題3:________has light of its own.
A.The moonB.The earthC.The sunD.The satellite of Dong Fong Hong
小題4:Light travels about_________kilometers per second.
A.300,000B.100,000C.400,000D.190,000
小題5:Which of the following is TRUE?
A.All the things you can see give off light.
B.Light from the book is much faster than that from the moon.
C.The moment you open your eyes,the light from the book travels to your eyes.
D.Light travels so fast that there is no time for you to read.

小題1:B
小題1:C
小題1:C
小題1:A
小題1:C

小題1:根據(jù)You can’t see any object unless light from that object gets into your eyes.可知選B。Y
小題1:根據(jù)from the sun or some other luminous bodies 可知選C,太陽是發(fā)光的。
小題1:根據(jù)They are just reflecting(反射)light that falls on them from the sun 可知太陽本身發(fā)光,故選C。
小題1:根據(jù)Light reaches us from the moon,which is about 380,000 kilometres away,in only a little more than a second.一秒鐘多點傳播380,000,那么一秒鐘應該比這個少一點,故選A。
小題1:通過閱讀可知,當你睜開眼睛時,光線就從書本上傳播的你的眼中,故選C,其它選項與短文描述不符。
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科目:初中英語 來源:不詳 題型:閱讀理解


Why do we come to school? Most of us may say we come to school to study. But to study needs a right way, or you either waste the time or the money. The following are the ways for studying.
The best time for reading is morning. In the morning the air is fresh and the mind is clear. For that reason we can get good results.
In studying we must have patience(耐心). If we have not known a text well, we must read it again. We should not read the next one until we have learned the first one well.
When we are studying, we must put our hearts into the books, or we can get nothing from the books while we are reading.
We must always ask “whys”. If it is not well understood, write it down and ask our teachers or our parents, brothers or friends. In any possible way, we must know it completely and what we have learned can be used well and made better.
Though there are many ways for studying, yet what I have said above will be enough if we can keep them in heart and do so.
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A.ThreeB.FourC.FiveD.Six
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D.remember what we’ve learned
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科目:初中英語 來源:不詳 題型:閱讀理解

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Operation Smile was started by a doctor and his wife. In 1982, together with some volunteers, they went to Philippines to help children who had holes in their lips or inside their mouths. It was very difficult for them to eat and drink. These volunteers worked very hard. But they worried that they could not carry on with the work because they were short of money. Then they decided to start a charity so that they could help these needy children. They called it Operation Smile.
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