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发布时间:2023-12-26 01:40:59

[简答题]When you turn on the television,put on your shoes or drive to a store,you’re using energy. Energy is one of the most fundamental forces in the world. Animals use energy to walk and run. Trees and plants use energy to grow. People use it to work and play. Energy is everywhere in nature-in the light of the sun,in the wind,in the forest,in water currents and erupting volcanoes. Without energy,there is no life. We use our own energy constantly and we continually make use of all kinds of energy. Energy can be divided into two different types:stored energy and dynamic energy. Stored energy is caned potential energy,and the latter refers to energy in motion. If you stretch out a rubber band,this produces potential energy. If you let it go,it moves and produces the dynamic energy.

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[填空题]
Flying into History

When you turn on the television or read a magazine, celebrities(名人)are everywhere. Although fame and the media play such major roles in our lives today, it has not always been that way. (46) Many historians agree that Charles Lindbergh was one of the first major celebrities, or superstars.
Lindbergh was born in Detroit, Michigan, in 1902,but he grew up in Little Falls, Minnesot
  • a. As a child, he was very interested in how things worked, so when he reached college, he pursued a degree in engineering. At the age of 20, however, the allure(诱惑) of flying captured Lindbergh’s imagination. (47) Soon after, Lindbergh bought his own plane and traveled across the nation performing aerial stunts (空中特技).
    In 1924, Lindbergh became more serious about flying. He joined the United States military and graduated first in his pilot class. (48)
    During the same time, a wealthy hotel owner n
[简答题]In reality, you put your thoughts on paper, and then you jump into an envelope and travel to where the reader lives or works. Out you shake hands with him, ready to tell him why he should give you an order, or merely that you like him a lot as a customer, and will continue to serve the best that you can.


[填空题]

What will you say when your adviser helps you to edit your paper "Thank you for your help. " or "I really ______ . "
[单项选择]27.When your child asks you questions,you should giVe her_______. 28.We set up experiments to test Otlr ideas about_______. 29.In the experiment,one end 0f the string was attached t0_______. 30.‘rhe experiment shows that salt changes the behaViour 0f_______.
A. the icebox
B. the ice
C. scienti6c answei~
D. the experiment
E. the world
F. warer

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