问题 填空题

合理利用化学反应可以造福人类。请写出下列反应的化学方程式,在括号中注明反应的类型 (化合、分解、置换、复分解)。

(1)利用氧化钙作食品干燥剂吸收水分:                           ,(     )

(2)利用氢氧化钠溶液洗涤石油产品中的残余硫酸:                             ,(     )

答案

CaO +H2O===Ca(OH)2; 化合反应

H2SO4+2NaOH===Na2SO4+H2O; 复分解反应

阅读理解

December 2

Sharon called about four times today. At least it shows she’s trying to explain something to me. I feel a little better.

December 3

This morning Sharon said she had only told one person and didn’t know why everyone seemed to know. Yes, I am an adopted (收养的) daughter. But she had promised to keep it a secret for ever!

December 5

I wish I had a friend I could really trust all of the time. I thought I found that friend, but I haven’t and it’s making me miserable (痛苦的)! It’s wrong to tell her all about it. She gains my trust, and then loses it.

December 7

I have a nice room, beautiful house and everything I’ve ever wanted. My adoptive parents will give me all the things I’ve ever dreamed of. Yet all the money in the world can’t buy what I want now. I want for Sharon to be my best friend again.

December 10

Sharon just called. She said she thought it might help if we spent more time together. She worried that I would switch schools (转学). She is the best friend I’ve ever had. When I’m with Sharon, I can be myself. I need Sharon’s friendship. I need it more than I’ve ever known.

December 16

I just had the most fantastic two days of my life! This was the best time I’ve had for a long, long while. Yesterday, we walked five times around the park and today we walked along the river for twenty minutes. We talked so much. Sharon, Sharon, no brick wall between us now.

小题1:What is the author mainly worried about?

A.How she was adopted.

B.Why she switched schools.

C.Her family life.

D.Her friendship with Sharon.小题2:Sharon lost the author’s trust because she ________.

A.didn’t keep the author’s secret

B.didn’t like the author any more

C.told the author’s past life to everyone

D.often refused to help the author小题3:The underlined word “fantastic” in the last paragraph probably means ________.

A.funny

B.wonderful

C.sad

D.lucky小题4:It can be inferred that in the end the author and Sharon ________.

A.were not friends anymore

B.became good friends again

C.would switch to another school together

D.could hardly understand each other

填空题