问题
选择题
关于热量、温度和内能下列说法正确的是 [ ]
A.一个物体的内能增加，一定是吸收了热量
B.一个物体吸收了多少热量，具有的内能就是多少
C.温度高的物体含有的热量一定比温度低的物体含有的热量多
D.一个物体吸收的热量越多，内能的增加就越多
答案
答案：D
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关于热量、温度和内能下列说法正确的是 [ ]
A.一个物体的内能增加，一定是吸收了热量
B.一个物体吸收了多少热量，具有的内能就是多少
C.温度高的物体含有的热量一定比温度低的物体含有的热量多
D.一个物体吸收的热量越多，内能的增加就越多
答案：D
| 阅读短文，选择正确答案。 | ||
| Li Nan was born in Hangzhou, Zhejiang Province. Two years ago, he graduated from medical school at Zhejiang University. Then he volunteered to work with the Go West program. He went to Inner Mongolia Autonomous Region and worked as a doctor. At first, he worked very hard. But he felt lonely because he was a long way from home. Sometimes he felt feel like giving up. But after a short time, he was able to make many new friends. People there were kind and warm-hearted. He began to like the place. Li Nan has just completed his two years of volunteer service and returned home. He said, "I learned a lot. It was a useful experience for me." | ||
| 1. What did Li Nan do in Inner Mongolia? ______ | ||
[ ] | ||
| A. He went to university. B. He worked as a doctor. C. He worked as a teacher. | ||
| 2. How long has Li Nan worked as a volunteer in Inner Mongolia? | ||
[ ] | ||
| A. For four years. B. Since he graduated from Zhejiang University. C. Two years ago. | ||
| 3. Match the words on the left with their definitions on the right. | ||
[ ] | ||
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| 4. What did Li Nan do after he completed his volunteer service? | ||
[ ] | ||
| A. He went back to Zhejiang. B. He stayed in Inner Mongolia. C. He went to university again. | ||
| 5. What did Li Nan think of his volunteer service? | ||
[ ] | ||
| A. It was lonely. B. It was hard. C. It was useful |