百度提供一个基于搜索的互动式知识问答分享平台，这个平台是（）。 A.百度知道 B.百

A primary school teacher asked her students to write a composition about what they would like God to do for them. At the end of the day, while marking the compositions, she read one that impressed her deeply. Her husband, who had just walked in, saw her crying and asked her, “What happened?”

She answered, “Read this. It is one of my students’ compositions.”

“Dear God, tonight I ask you for something very special: Make me into a television. I want to take its place and live like the TV in my house. Have my own special place, and have my family around me. To be taken seriously when I talk. I want to be the centre of attention and be heard without interruption(打断) or questions. I want to receive the same special care that the TV receives even when it is not working. Have the company of my dad when he arrives home from work, even when he is tired. And I want my mom to want me close when she is sad and upset, instead of ignoring(不理) me. And ...I want my brothers to fight to be with me...I want to feel that my family just put everything aside, every now and then, just to spend some time with me. And last but not least, make sure that I can make them all happy and entertain them. God, I don’t ask you for much. I just want to live like our TV. ”

At that moment the husband said, “My God, poor kid, what horrible parents!” .The teacher looked up at him and said, “That composition is our son’s!”

小题1:Why did the teacher cry?

A．Because a composition moved her deeply.

B．Because the composition was very bad.

C．Because the students were lazy.

D．Because she had a fight with her husband.小题2:Who was the boy that wrote the composition?

A student who was with God.               B. A student who was like a television

C. A student in her class, but not her son.         D. A student in her class, in fact, her son.

小题3:According to the article, what will happen when the boy talks?

A．Everyone will pay attention to him.

B．He will be interrupted.

C．No one will pay attention.

D．His mother will talk to him.小题4:Which is not right according to the passages?

A．TV can entertain them

B．TV can catch the attention of his family.

C．TV can give you answers when you ask question.

D．TV can receive special care from his family.小题5:According to the article, we can know the boy is_________.

A．naughty

B．lonely

C．happy

D．wrong

物质的组成、性质、用途之间存在密切关系．

①从物质组成的角度分析，由于碳酸钾和硫酸钾所含的______不同，所以它们的化学性质有明显差异．

②稀有气体通电能发光，所以可以用于制______．

③某种药品可以治疗胃酸过多，说明该药品中可能含有______（填“酸性”或“碱性”）物质．

不影响酶活性测定的因素为

A．底物浓度

B．样品杯直径

C．温度

D．pH值

E．缓冲液的离子强度

借款成本为( )

A．4.79%

B．5.02%

C．4.50%

D．8%

动脉导管解剖上闭合大多是在（）

A.3个月内

B.6个月内

C.9个月内

D.1岁以内

E.2岁以内