游离气腹
参考答案：腹膜腔内积气且随体位改变而游动的，称为游离气腹。
根据首字母提示及句意填入适当的单词。
1. You are supposed to s_____ hands when you meet a Chinese friend.
2. All the students like the e_____ that the physic teachers do every class.
3. What is the s_____? It says you should stop.
4. They arc p_____ to the boy who is playing soccer over there.
5. People k_____ when the people meet in Brazil.
6. Everything was f_____ with me because I was in Japan for the first time.
7. I am f_____. Thanks a lot.
8. I can eat with a k_____ and folk.
9. Remember to take out the r_____ when you leave the room.
10. People are pretty r_____ about time in Colombia
如图所示，条形磁铁放在光滑斜面上，用平行于斜面的轻弹簧拉住而平衡，A为水平放置的直导线的截面，导线中无电流时磁铁对斜面的压力为FN1；当导线中有垂直纸面向外的电流时，磁铁对斜面的压力为FN2，则下列关于压力和弹簧的伸长量的说法中正确的是
A．FN1＜FN2，弹簧的伸长量减小
B．FN1＝FN2，弹簧的伸长量减小
C．FN1>FN2，弹簧的伸长量增大
D．FN1>FN2，弹簧的伸长量减小
