问题
单项选择题
气体的压力与体积之间存在一定的关系，当温度一定时，一定量的气体压力P与体积V成（）。
A.正比
B.反比
C.相等
答案
参考答案：B
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气体的压力与体积之间存在一定的关系，当温度一定时，一定量的气体压力P与体积V成（）。
A.正比
B.反比
C.相等
参考答案：B
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| One day a young officer (军官) was at a station. He was 1 his way to visit his mother in 2 town. He wanted to 3 her and tell her 4 his train would arrive. In this way she could meet him at the station in her car. He looked in his 5 but couldn't find the 6 money for the telephone, so he went 7 to ask for help. An old soldier happened to pass by. The officer 8 him and asked, "Have you got any change (零钱) for ten pence (便士)?" "Wait a moment," the soldier answered while he was looking for the money in his pocket. "Don't you know how to speak to an officer?" the officer said 9 . "Now, let's start again. Have you got any change for ten pence?" " 10 , sir," the old man answered quickly. | ||||
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