如图所示的各实验中，能探究液体内部压强规律的是（ ）
A．
B．
C．
D．
答案：C
题目分析：A、图中研究的是阿基米德原理，故该选项不符合题意；
B、图中所示的是托里拆利实验，是测量大气压强大小的实验，故该选项不符合题意；
C、用U型管压强计测不同深度的液体压强，探究的是液体内部的压强，故该选项符合题意；
D、图中所示的是大气压强的应用，故该选项不符合题意
点评：此题设计的实验较多，包括：阿基米德原理、大气压强、液体压强等探究实验，综合性较强，要求学生一定要熟悉课本上插图的意义
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| A: Hello! May I speak to Miss Zhao? B: 1 ! (A moment later) I'm sorry, 2 . Could I take a message? A: Certainly. 3 . I want to speak to her about my son David Smith. 4 . I'm afraid he isn't able to go to school today. B: 5 . I hope he'll be all right very soon. A: 6 ! Could I leave my telephone number to you? B: OK. 7 ! I'll go and get a pen and a piece of paper. OK! Please give me your phone number. A: 3579860. That's my office telephone number. My name is Peter Smith. B: All right. I'll ask her to call you as soon as she is back. A: 8 . Thank you very much. Goodbye! B: Goodbye!
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