如图所示，两手指用力挤压铅笔的两端使它保持静止，下列说法中正确的是
A．铅笔静止时，两手指对铅笔的压力是相互作用力
B．左边手指受到的压力大于右边手指受到的压力
C．左边手指受到的压强小于右边手指受到的压强
D．实验表明可以通过增大受力面积的方法增大压强
相关试题
Could you please give me some on how to learn English ？
Sure． Practice makes perfect．（ ）
| A． |
advice， well |
| B． |
advice， good |
| C． |
advices， well |
How do you like the two pairs of shoes？
They don' t fit me． They are too big too small．（ ）
| A． |
not only…but also… |
| B． |
neither…nor… |
| C． |
either…or… |
Her father a taxi driver． Now he works for a charity．（ ）
| A． |
used to be |
| B． |
is used to being |
| C． |
is |
How long does it take us to go to your hometown from here？
It takes us hour to go to my hometown by train．（ ）
| A． |
an， a |
B． |
an， / |
C． |
an， the |
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