下列实例中,利用做功的方式使物体内能增加的是( ) A.捂热水袋的手变暖 B.放

题型:选择题

问题:

下列实例中,利用做功的方式使物体内能增加的是(  )

A.捂热水袋的手变暖

B.放进热汤中的金属汤勺变得烫手

C.炽热的金属片插入水中后,水温升高

D.用锯子锯木头,锯条的温度升高

考点:物体内能的改变方法(做功、热传递)
题型:选择题

阅读理解。

     John lived with his mother when he was young. He didn't know who his father was. The woman did some

washing for the rich and could buy only some bread for her son. So the boy was short and thin.

     One cold morning there was much snow in the streets. A car knocked the woman down and the policemen

took her to the hospital. She didn't tell John that his father deserted her before he was born until she died. She

left her son the name and address of his father.

     John found his father, Mr. Brown, in another city. He was one of the richest shopkeepers and he had to

receive his son. From then on, the boy lived a rich life. He ate all kinds of delicious food and wore beautiful

clothes. But He didn't go to school and could not read or write.

     Once his father took him to a party. He saw a newspaper lying on the floor and picked it up while others

were talking about a film. He had a look at it and found a car's wheels (轮子) were upward (朝上). He called

out, "Oh, dear! An accident happened!"

     All the people were surprised and began to read the newspaper. But soon they all began to laugh. Do you

know why?

1. John was short and thin because _____.

A. he didn't like sports

B. his parents were short

C. he was often hungry when he was young

2. John's mother told him who his father was _____.

A. until she was knocked down by a car

B. before she was in hospital

C. before she died

3. After John found his father, _____.

A. he was angry with the man

B. he started a rich life

C. he found a job at a party

4. The word "desert" in this passage means _____.

A. 抛弃

B. 告别

C. 离婚

5. People at the party laughed at John because _____.

A. he held the paper upside down

B. the accident happened long ago

C. his father was reading the paper

题型:选择题

在行政法学中有权法律解释是依法享有法律解释权的特定国家机关对有关法律文件进行具有法律效力的解释,主要有( )。

A.审判解释

B.定法解释

C.行政解释

D.司法解释

E.立法解释

题型:选择题

“十二五”时期(2011年—2015年),是全面建设小康社会的关键时期,展望“十二五”,中国经济总量将稳居世界第二位,人均GDP将超过5000美元。“十二五”规划顺利完成后 (  )

A.人民生活将总体上达到小康水平

B.将解决人民的温饱问题

C.将基本实现现代化

D.将有力地促进我国经济社会发展第三步战略目标的实现

题型:选择题

确诊子宫内膜癌最常用的检查方法是()

A. * * 细胞学检查

B.分段诊断性刮宫

C.宫腔镜检查

D.宫颈刮片细胞学检查

E.B型超声检查

题型:选择题

在AIX系统中,如需调整域名解析顺序,需配置的的文件为()。

A./etc/hosts

B./etc/sysconfig/network

C./etc/resolv.conf

D./etc/netsvC.conf

更多题库