题目

如图甲所示，为某同学测绘额定电压为2.5V的小灯泡的I—U特性曲线的实验器材．    （1） 根据实验原理，用笔画线代替导线，将图甲中的实验电路连接完整．                       （2）开关S闭合之前，图甲中滑动变阻器的滑片应该置于          端（选填“A”、“B”或“AB中间”）（3） 实验中测得有关数据如下表：U/V0.400.801.201.602.002.402.80 I/A0.100.160.200.230.250.260.27 根据表中的实验数据，在图乙中画出小灯泡的I—U特性曲线.（4） 若have fun with, as a consequence, break out, differ from, benefit from, stand for,round up, have a/an. . . influence on, feed on1. The letters PO _______ Post Office.2. Young people like playing jokes and ________________each other.3. The thought of Confucius _______ great ____________ Chinese people.4. A terrible earthquake ___________in Japan on March 11, 2011.5. Both sides have ___________ the cooperation, so they decide to go on working together.6. The story he told the police ___________ the one he told his mother and it remained to be discovered which story was true.7. We ___________ our dogs _______fresh meat.8. Lorenzo told the girl to _______ all the children and take them down to the river.9. Her hair started falling out _______________of radiation treatment.