问题
单项选择题
当温度不变时，一定量气体的体积V与其所受压力P的关系是（）
A.正比
B.反比
C.相减
D.相加
E.平方根
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
当温度不变时，一定量气体的体积V与其所受压力P的关系是（）
A.正比
B.反比
C.相减
D.相加
E.平方根
参考答案：B
| Reading comprehension. 阅读理解。 |
| Li Ming is a student. He is not a very tall boy. He is only 13 years old. He lives with his family in an apartment. It is not far from the park. The park is very nice. He often goes to the park with his family. |
| 看图根据短文判断正(T)误(F)。 ( ) 1. He is a tall boy. ( ) 2. He lives in a house. ( ) 3. The park is good. ( ) 4. The park is near his apartment. |  |