问题 探究题

为研究物质的某种特性,小明选取水、煤油两种物质做实验,下表记录了实验测量的数据以及老师帮助小明求得的有关数据。

请你根据表格中的内容进行分析:

(1)可初步得出的结论是(答出两点即可):

①_________________________________________________________;

② _________________________________________________________。

(2)为了进一步描述物质的这一特性,你认为表格内项目栏中应增添的一项内容是:

___________________________________________________________________。

答案

(1)

①相同质量的同种物质,吸收的热量与升高的温度成正比

②相同质量的不同物质,升高相同的温度吸收的热量不同(或同种物质,升高相 同的温度,吸收的热量与质量成正比)

(2)单位质量的某种物质温度升高1℃吸收的热量[或]

阅读理解

阅读理解。

Dear friend,

     I am an American girl. My name is Sarah King. I am thirteen. I have two brothers.

They are middle school students, too. We go to school from Monday to Friday. We

don't have any classes on Saturdays or Sundays. My father and mother are teachers.

They always say China is great. I like reading. I am reading a Chinese storybook. I

think it's very interesting. My brothers and I like football and basketball. What sports

do you like?

     Let's be good pen pals, OK?  Please write to me soon.

                                                                                                                                         

                                                                                                                        Yours ,

                                                                                                                    Sarah King

l.Why does Sarah write this letter?                 

A.Because she wants to come to China.

B.Because she wants to make a pen pal in China.

C.Because she likes reading Chinese storybooks.

2.How many people are there in Sarah's family?

A.Three.

B.Four.

C.Five.

3.When do they go to school?

A.They go to school from Sunday to Friday.

B.They go to school on weekends.

C.They go to school from Monday to Friday.

4.What is Sarah doing recently(最近)?

A.Reading a Chinese storybook.

B.Playing soccer.

C.Playing basketball.

5.What do Sarah and her brothers like?

A.Storybooks.

B.Soccer and basketball.

C.Pen pals.

多项选择题