55．A ball was (fly) over my head while I was walking towards the classroom yesterday.——青夏教育精英家教网—

摘要：55．A ball was (fly) over my head while I was walking towards the classroom yesterday.

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     Any mistake made in the printing of a stamp raises its value to stamp collectors. A mistake on one
inexpensive postage stamp has made the stamp worth a million and a half times its original value. The
mistake was made more than a hundred years ago in the British colony of Mauritius, a small island in
the Indian Ocean. In 1847 an order for stamps was sent to a London printer-Mauritius was to become
the fourth country in the world to issue (发行) stamps.
     Before the order was filled and delivered, a ball was planned at Mauritius' Government House, and
stamps were needed to send out the invitations. A local printer was instructed to copy the design for
the stamps. He accidentally printed the words "Post Office" instead of "Post Paid" on the several hundred
stamps.
     Today there are only twenty-six of these misprinted stamps left fourteen One Penny Orange-Reds and
twelve Two Penny Blues. Because of the Two Penny Blue's rareness and age, collectors have paid as much
as ＄16,800 for it.

1. Over a century ago, Mauritius _____.

A. was an independent country
B. belonged to India
C. was one of the British colonies
D. was a small island in the Pacific Ocean

2. The mistake on the stamps was made _____.

A. in Mauritius
B. at Mauritius Government House
C. in a post office
D. in London

3. Stamp collectors have paid ＄16, 800 for _____.

A. fourteen One Penny Orange-Reds
B. twelve Two Penny Blues
C. One Penny Orange-Red
D. one Two Penny Blue

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用方框内所给词的适当形式完成短文。

fly, something, climb, foot, shout, east, bright, tired, much, beautiful

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How did ancient people tell time?

◆Natural ways of keeping time

In ancient time，people had to use the sun and the moon to tell time．They got up when the sun came up and worked in the fields until the sun went down．

◆Man-made things

The sand clock is made of two glass balls joined by a narrow neck．The top ball was filled with sand．The sand slowly moved through the neck into the bottom（底部）ball．People knew the time by watching how much sand fell to the bottom hall．People also made the water clock．They made a small hole near the bottom of a pot．when the water in the pot dripped（滴）out，marking（刻度）inside the pot showed how much time passed．

◆Body clocks in living things

Animals' body clock

Animals don't need clocks to know time．They have their body clocks．Birds know when to fly to warmer places before winter．Some animals know when to keep more food for the winter．Some fish know when it's time to move up the river and lay eggs．

Plants' own clock

Plants have their own clocks to keep time．Plants know when to open flowers or when to drop their leaves．

Body clock in human beings

People also have their own body clocks．When we get used to our lives，our body clocks can be very exact．It can tell us when it's time to wake up．It can also tell us when to eat or to go to sleep．

1．How could an ancient farmer know when to go back home from the field in the daytime?

A．By looking at the moon． B．By the sand clock or the water clock．

C．By looking at the sun． D．By feeling whether tired or not．

2．According to the passage，how can animals know time?

A．They use body clocks． B．They ask other animals．

C．They use the sun and the moon． D．They make something to tell time．

3．How many kinds of living things with body clocks are mentioned here?

A．Two． B．Three． C．Four． D．Six．

4．In what way is the sand clock the same as the water clock in telling time?

A．Both of them have a neck．

B．Both of them have two glass balls．

C．Both of them can be used only once．

D．Both of them give the time by quantity（数量）．

5．The passage is mainly about _________．

A．man-made clocks B．nature's clocks

C．time and clock D．how people keep time

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阅读理解。

     How did ancient people tell time?
     ◇Natural ways of keeping time
      In ancient time, people had to use the sun and the moon to tell time. They got up when the sun came
up and worked in the fields until the sun went down.
     ◇Man-made things
      The sand clock is made of two glass balls joined in a narrow neck. The top ball was filled with sand.
The sand slowly moved through the neck into the bottom (底部) hall. People knew the time by watching
how much sand fell to the bottom ball. People also made the water clock. They made a small hole near the
bottom of a pot. When the water in the pot dripped (滴) out, marking (刻度) inside the pot showed how
much fame passed.
     ◇Body clocks in living things
      Animals' body clock
      Animals don't need clocks to know time. They have their body clocks. Birds know when to fly to
warmer places before winter. Some animals know when to keep more food for the winter. Some fish know
when it's time to move up the river and lay eggs.
     Plants' own chock
     Plants have their own clocks to keep time. Plants know when to open flowers or when to drop their
leaves.
     Body clock in human beings
     People also have their own body clocks. When we get used to our lives, our body clocks can be very
exact. It can tell us when it's time to wake up. It can also tell us when to eat or to go to sleep.

1. How could an ancient farmer know when to go back home from the field in the daytime?

A. By looking at the moon.
B. By the sand clock or the water clock.
C. By looking at the sun.
D. By feeling whether tired or not.

2. According to the passage, how can animals know time?

A. They use body clocks.
B. They ask other animals.
C. They use the sun and the moon.
D. They make something to tell time.

3. How many kinds of living things with body clocks are mentioned here?

A. Two.
B. Three.
C. Four.
D. Six.

4. In what way is the sand clock the same as the water clock in telling time?

A. Both of them have a neck.
B. Both of them have two glass balls.
C. Both of them can be used only once.
D. Both of them give the time by quantity (数量).

5. The passage is mainly about _______.

A. man-made clocks
B. nature's clocks
C. time and clock
D. how people keep time

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Dear Nancy,
How are you? Now I want to tell something interesting. Last week we had a trip to Mount Tai. On Tuesday we went to Taian by bus, a city at the foot of the mountain. We had a good rest at a hotel. At about one o’clock early the next morning, we began to climb the mountain. It took us about four hours and a half to get to the top. The mountain is covered (覆盖) with trees. I didn’t see such a beautiful place before.
“Look! The sun is going to rise!” my friend Lim shouted.
We all turned to the east and watched. Soon half of the sky because white, and a big, red ball was rising slowly. A few minutes later, the sky became bright(明亮的).
We stayed on the top and had a good time. After lunch we started going down. We got to the tour hotel at about four in the afternoon. Though we were tired, we were very happy. We came back to school the next day.
Thank you very much for your last letter and the beautiful postcards. Hope to hear from you soon.
Yours
Wu Tong
【小题1】The letter is from ___________to ___________.

【小题2】How did Wu Tong go to Taian?

【小题3】When did Wu Tong reach the top of the mountain?