1. (2021九上·宣城开学考) 阅读短文，回答问题

"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, the moon, and stars are kept in their places.

James Ferguson was a boy with little money. Once, seeing the inside of a watch, he wondered.

"Why should I not make a watch?" but how could he get the material to make the mainspring （钟表的主发条）? He soon found he could make it with whalebone （鲸须）. He then made a wooden clock which kept good time. His motto （座右铭）

Boys and girls, when you have a difficult lesson to learn, don't lose heart, and by thinking you will learn how to think to some purpose.

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

   A . listening B . reading C . speaking D . thinking
3. （2） The idea of Isaac Newton's discovery was from         .

   A . the falling of an apple B . the moving of the moon C . the falling of a tree D . the moving of the sun
5. （3） The right order of the following sentences is         .

   ①James Ferguson made a wooden clock.

   ②James Ferguson saw the inside of a watch.

   ③James Ferguson made the mainspring with whalebone.

   A . ③②① B . ②③① C . ②①③ D . ③①②