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    R R R r r r r r r r two three seven ten b b b b b b d d nine six two five 【查看更多】

     

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    It seems to be strange to you there is a blind spot(点) on the eyes. Here is an interesting experiment that can make something disappear, when one eye is open.
    　　Make a card about the size of a postcard and write two English letters L and R on it, L on the left and R on the right. First, hold the card about 80 cm away and you see both the letters. Then close your right eye and look at the letter R only with your left eye. And now, as you move the card slowly towards you, you’ll find the letter L disappearing. But if you move the card nearer to your face, the letter will be seen again. Now do the same experiment with your left eye closed, you’ll find the letter R disappearing.
    Why does the letter disappear? It is because there is a blind spot on the eye. When the image of the letter falls on the blind spot, it won’t be seen. That is why either of the letters disappears.
    【小题1】The writer of the passage thinks that _____ there is a blind spot on the eye.

    A．few people knowB．no one knowsC．most people knowD．all the people know
    【小题2】In which order should you do the experiment?
    ①Hold the card  ②Move the card nearer   ③Close your right eye
    ④Write two English letters  ⑤Look at the letter R   ⑥Make a card
    A．④⑥①②③⑤B．①③⑥④⑤②C．⑥①④③②⑤D．⑥④①③⑤②
    【小题3】The passage mainly tells us _______.
    A．how to find the blind spotB．an interesting experiment
    C．where the blind spot isD．there is blind spot on the eye

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    【小题1】Liu Xiang is a famous r_______ in the world.
    【小题2】My little brother has a m______ plane, he likes to play with it.
    【小题3】Kate likes vegetables, and also likes red, she eats three t_______ every day .
    【小题4】Kate doesn't play basketball. She only w     　 __　them on TV.
    【小题5】Volleyball is so d      _ ， I can't play it.

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    Do you know how to write an English letter and envelope?
    When we write a letter in Chinese, we always put the date at the end of the letter. But it is different in English. We have to put it on the top of the right corner. And above the date, we also write the number of our house and the names of our street, city and country. To begin the letter, we always use the word like "Dear sir",　 "Dear Mr./Miss./Ms.…". To end the letter, we usually use words like "Yours”, “Yours ever" or "Truly yours".
    Now read the following envelope, please.
    【小题1】"We have to put it on the top of the right corner." The word "it" here means_____.
    A. the date　　　　　　B. the letter　　　　 C. the passage
    【小题2】To what country will the letter be sent?
    A. P.R. China　　　　　B. China　　　　　 C. The United States
    【小题3】Who writes this letter?
    A. Miss Susan Brown　　B. Zhang  Hua　　　C. You
    【小题4】From the passage, we know when we write an English letter, we should
    put down our address _____.
    A. at the end of the letter on the right
    B. at the end of the letter on the left
    C. at the top of the letter on the left
    【小题5】How do you begin your letter if you write to John Smith?
    A. John Smith　　　 B. Mr. John　　 　C. Dear Mr. Smith

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    1.You should s　　　　　 the bottle (瓶子) before pouring the orange juice.

    2.What’s your attitude t　　　　　 what the kids wear to school?

    3.Switzerland is the l　　　　　 of watches, and people there are very serious about time.

    4. After exercising in the morning, I usually feel quite r　　　　　.

    5. Julie k　　　　　 her mother good night before she went to bed.

     

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    It seems to be strange to you there is a blind spot(点) on the eyes. Here is an interesting experiment that can make something disappear, when one eye is open.

    　　Make a card about the size of a postcard and write two English letters L and R on it, L on the left and R on the right. First, hold the card about 80 cm away and you see both the letters. Then close your right eye and look at the letter R only with your left eye. And now, as you move the card slowly towards you, you’ll find the letter L disappearing. But if you move the card nearer to your face, the letter will be seen again. Now do the same experiment with your left eye closed, you’ll find the letter R disappearing.

    Why does the letter disappear? It is because there is a blind spot on the eye. When the image of the letter falls on the blind spot, it won’t be seen. That is why either of the letters disappears.

    1.The writer of the passage thinks that _____ there is a blind spot on the eye.

    A．few people know   B．no one knows      C．most people know   D．all the people know

    2.In which order should you do the experiment?

    ①Hold the card  ②Move the card nearer   ③Close your right eye

    ④Write two English letters  ⑤Look at the letter R   ⑥Make a card

    A．④⑥①②③⑤      B．①③⑥④⑤②      C．⑥①④③②⑤      D．⑥④①③⑤②

    3.The passage mainly tells us _______.

    A．how to find the blind spot                 B．an interesting experiment

    C．where the blind spot is                   D．there is blind spot on the eye

     

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