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Forests have always been useful and important to man who makes use of them in many ways. Every day trees are serving man everywhere. Trees supply man with fruits and building materials in the form of wood. Without trees it would be impossible to build houses, boats, bridges and so on. Furniture such as desks, chairs and beds is made of wood. Trees can stop man from terrible heat. They're also useful in preventing good and rich top soil from being washed away during heavy rains.
If there were no trees, heavy rains would wash away the rich top soil that is so important to plants. The result is that the land will become a desert. There are plenty of desert areas in the world. A long time ago these desert areas used to be very rich areas, but man in the past had no enough knowledge about science of nature, they cut down too many trees in the area where they lived and never planted new ones. By and by the rich top soil was blown and washed away by strong winds and heavy rains. In the end the rich land changed into useless deserts where nothing could grow.
According to the passage, ______.
A. a long time ago, man didn't know how to make use of wood
B. trees are not as useful as they were in the past
C. trees were more found in the past than they are today
D. people have always found trees useful
If there were no trees, ______.
A. the land would become better B. heavy rains would be very clean
C. the rich soil couldn't be kept D. there wouldn't be any plants
From the passage, we know that man must ______.
A. do nothing to keep the balance（平衡）of nature
B. take his best to keep the balance of nature
C. try his best to keep the balance of nature
D. do his best to stop the balance of nature
查看习题详情和答案>>more than three-quarters of the old city, where most of the houses were made of wood and close together.
Over one hundred people became homeless, but only a few lost their lives.
The fire started on Sunday morning in the house of the King's baker (面包师) in Pudding Lane. The baker,
with his wife and family, was able to get out through a window into the roof. A strong wind blew the fire from
the bakery into a small hotel next door. Then it spread quickly into Thames Street. That was the beginning.
By eight o'clock three hundred houses were on fire. On Monday nearly a kilometer of the city was burning
along the River Thames. Tuesday was the worst day. The fire destroyed many well-known buildings, old St
Paul's and the Guildhall among them.
Samuel Pepys, the famous writer, wrote about the fire, "People threw their things into the river. Many poor
people stayed in their houses until the last moment. Birds fell out of the air because of the heat."
The fire stopped only when the King finally ordered people to destroy hundreds of buildings in the path of
the fire. With nothing left to burn, the fire became weak and finally died out.
After the fire, Christopher Wren, the architect (建筑师), wanted a city with wider streets and fine new
houses of stone. In fact, the streets are still narrow, but he did build more than fifty churches, among them the
new St Paul's.
The fire caused great pain and loss, but after it London was a better place: a city for the future and not just
of the past.
B. the birds in the sky were killed by the fire
C. many famous buildings were destroyed
D. the King's bakery was burned down
B. Because Pepys also wrote about the fire.
C. To show that poor people suffered most.
D. To give the reader a clearer picture of the fire.
B. All the houses made of wood in the city were destroyed.
C. People managed to get enough water from the river.
D. Houses standing in the direction of the fire were pulled down.
a. There was a strong wind.
b. The streets were not wide enough.
c. Many houses were made of wood.
d. There was not enough water in the city.
e. People did not discover the fire earlier.
B. a, b and c
C. a, b, c and d
D. a, b, c, d and e
fuel or as building material.
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