Living in our modern world (1)...........different (2) .............what living (3)..............
our grandfather(4)..............young. Learning to use machines is very important today. Only a (5) ........... years ago, most of the work of the world was done by ............... Today we use when machines for everything, both for working and (7).........................
Machines(8) ..................affected in some way the lives of people all the world. They have made possible mass(9) ...............................of all kinds of manufactured goods. Now more families everywhere can buy cars, refrigerators, washing machines, television sets, factory made clothing and (10)...............of other things, which our grandfather didn't have .
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IV. Read the text then answer the questions: (2pts)
Electricity is the most common form of energy today. In the modern world, electricity is very available at the touch of a switch. Electricity has many uses. The most common use of electricity is providing artificial lighting. In factories, electricity is used to light up the work place. It is also used to operate air conditioners, computers and many other machines. Electricity is also used to power the many appliances that we have in our homes such as appliances include television sets, computers, electric fans, irons and many others. The list is simply endless. Modern man will most probably be lost without electricity.
1. Is electricity the most common form of energy today?
yes it is
2. What is the most common use of electricity?
the most common use of electricity is providing artificial lighting
3. What do people use electricity for at home?
people use elestricity for television sets, computers, electric fans, irons and many other applicances at home
4. How would our life be if there were no electricity?
if there were no electricty, modern man would be lost
recycling/ nothing/ list/ vegetables/ something/ save/ trouble/ polluting/ taking. Our environment is in (1)trouble. Modern ways of living and today’s industries are (2)polluting it. Most people think there is (3) nothing they can do. This is not true. Everyone can do something to help (4) save our environment. Here is a (5)list of things you can do.
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- Help to cut pollution by (6)taking the bus to work instead of your car.
- Buy fruit and (7) vegetables that have not been treated with pesticides.
- Recycle all your cans, bottles and paper. There should be a (8) recycling center somewhere near your home, so take them there.
Our environment is in trouble. Modern ways of living and today’s industries are polluting it. Most people think there is nothing they can do. This is not true. Everyone can do something to help save our environment. Here is a list of things you can do.
- Help to cut pollution by taking the bus to work instead of your car.
- Buy fruit and vegetables that have not been treated with pesticides.
- Recycle all your cans, bottles and paper. There should be a recycling center somewhere near your home, so take them there.
Most of the world’s energy comes from the sun. The sun’s energy is in wood, oil, and other things that people use for energy.
VI. Read the text then answer true or false
People use many sources of energy. Ancient people used only their arms, hands, and simple tools until they discovered fire. Later, people learned to use the energy of the wind to sail ships. Then they learned to use animals to do work. In the eighteenth and nineteenth centuries, people began to use machines. The first machines used steam. They burned coal to heat water. The hot water turned into steam, and the steam engine did the work. Later, people began to use the gasoline engine, and today people are using nuclear energy. Energy is one of the basic concepts, or ideas, of physics. It is the ability to do work. Without energy we could live. We need energy to work, and scientists are always looking for new sources of energy.
1. None of the world’s energy comes from the sun. F
2. Wind, steam, and gasoline are sources of energy. T
3. People have never used nuclear energy. F
4. Energy is the ability to do work. T
5. We need new sources of energy. T
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