“Iwillthinkofit.”Itiseasytosaythis,butdoyouknowwhatgrea...

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“I will think of it.” It is easy to say this, but do you know what great things have come from thinking?

Sir Isaac Newton was sitting in his garden when he saw an apple fall from a tree. He began to think and tried to find out why the apple fell. Then he discovered how the sun, moon, and stars are kept in their places.

A boy named James Watt sat quietly by the fire, watching the lid of the kettle move up and down. He wanted to find out why the steam in the kettle moved the lid. From that time he went on thinking and thinking. And when he became a man, he improved the steam engine (蒸汽機) so much that it could easily do the work of many horses.

James Ferguson was a poor boy. Once, seeing the inside of a watch, he wondered. “Why should I not make a watch?” But how could he get the materials to make the mainspring (鐘錶的主發條)? He soon found he could make it with whalebone (鯨骨). He then made a wooden clock which kept good time. His motto (座右銘) was “I will think of it.” And he made his thoughts useful to himself and the world.

Boys and girls, when you have a difficult lesson to learn, don’t lose heart, and don’t ask someone for help before helping yourselves. Think, and by thinking you will learn how to think to some purpose.

1．From the passage, we know that some great things come from ______.

A. listening B. reading C. speaking D. thinking

2．The idea of Isaac Newton’s discovery was from ______.

A. the falling of an apple B. the cleaning of a garden

C. the falling of a tree D. the moving of a lid

3．The achievement of James Watt was that he ______.

A. kept thinking B. found the steam in the kettle

C. improved the steam engine much D. watched the lid move up and down

4．The right order of the following sentences is ______.

① James Ferguson made a wooden clock.

② James Ferguson saw the inside of a watch.

③ James Ferguson made the mainspring with whalebone.