白炽灯现在逐步被节能灯取代，这一曾经广泛使用为人类带来光明的发明家是_刷题宝

题干

白炽灯现在逐步被节能灯取代，这一曾经广泛使用为人类带来光明的发明家是（）

A：爱迪生

B：法拉第

C：西门子

D：贝尔

上一题下一题 0.0难度选择题更新时间:2019-10-12 05:44:35

答案(点此获取答案解析）

A

同类题1

下列有关光合作用光反应的说法不正确的是（　　）

同类题2

阅读理解，根据短文判断对错(对的填T,错的填F)

Hello! My name is Lily. This is my family. This is my grandpa. That is my grandma. This is my father and that is my mother. My father is a driver. My mother is a teacher. Oh, he is my brother. She is my sister. That girl is me, Lily.

同类题3

I don’t say I am against their plan. But the trouble is _________ they do doesn’t agree with what they say.

同类题4

With all his homework ____,he went swimming with his friends.

同类题5

观察下面这副对联，完成下面的问题．

小学学科试题库

初中学科试题库

高中学科试题库