Question

阅读下列背景文章，并选择最佳答案。

　　Thomas Edison lived in America. He invented plenty of electrical appliances(电器) and most people knew him.

　　At that time there was no electric lamp(电灯) in the world. And it brought people much trouble. Young Edison decided to invent it. He didn't know which material was. suited(适合) to be the lamp filament(灯丝).He failed and failed and spent a lot of time on it. Some friends of his asked him to stop the experiment(试验),but he didn't listen to them and tried his best to find the material.

　　One afternoon a friend of his came to visit him. He was doing his experiment in the lab when the man came in. But Edison only asked his friend to sit down and didn't stop to talk with him. The man sat for a long time and Edison said nothing to him. His friend was angry with him and said,“You've done(已经做过) the experiment 1,200 times, too!”

　　“You're right, my friend,” Edison went on doing his experiment and said, “but I've known 1,200 materials are not suited to be the lamp filament.”

(1)Most people know Edison because ________.

[　　]

A．he worked hard

B．he was very clever

C．he spent much time on his work

D．he was a great inventor

(2)The underlined word “ material” in the story means “________.”

[　　]

A．材料

B．物质

C．重要的

D．物质的

(3)Edison was busy with his work, so ________.

[　　]

A．he just asked his friend to sit down

B．he didn't talk with his friend

C．he asked his friend to watch him working

D．he asked his friend to help him

(4)The man was angry because ________.

[　　]

A．Edison didn't say hello to him

B．Edison didn't listen to him

C．Edison didn't stop doing the experiment

D．he didn't think Edison was polite to him

(5)Edison tried his best to ________.

[　　]

A．make his friend angry

B．find an electric lamp

C．find out which material was suited to be the lamp filament

D．find out which material wasn't suited to be a lamp filament

Answer 1

答案：D;A;B;D;C