问题
多选题
在连通器里装上水银，连通器右管的直径是左管的两倍，若在左管中倒入一定量水银后[ ]
A．右管水银面较左管水银面低
B．左管水银面较原来的水银面高
C．右、左两边管中水银面一样高
D．在两管水银面以下的同一水平处，其压强相等
答案
BCD
搜题请搜索小程序“爱下问搜题”
在连通器里装上水银，连通器右管的直径是左管的两倍，若在左管中倒入一定量水银后[ ]
A．右管水银面较左管水银面低
B．左管水银面较原来的水银面高
C．右、左两边管中水银面一样高
D．在两管水银面以下的同一水平处，其压强相等
BCD
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| ( )1. Do you think it important to exercise? ( )2. What do you do on Sunday? ( )3. Is she too young to make her own decisions? ( )4. Are you going to leave school at the end of the term? ( )5. What does your brother do in the evening? | |
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