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每年中考结束,静心学习各地中考物理试题,评味并享受着一道道美题,是教学的一种幸福.今年,一道考察观察能力的试题尤为令我眼前一亮,其光芒直接激励着我向着新课改的方向奋力前行,坚定着我实行课改的信念.它就是扬州市2010年中考物理试题第23题,下面是试卷的原题及参考答案.23.如图1所示,将两手的食指放在铅笔的两端下面,尽量使铅笔保持水平,向铅笔的中部移动手指(也可以用直尺做).重复几次,你观察到的现象是____.就观察
Each year, the entrance examination is over, and meditation on the physics test questions in various local examinations is an important part of teaching. This year, a test of observation ability has made me shine. The light directly inspires me to move forward. The direction of the new curriculum reform struggling forward, I firmly believe in the implementation of curriculum reform. It is the 23rd title of the 2010 physics test in Yangzhou City. The following are the original questions and the reference answers to the paper. 23. As shown in Figure 1, Place the index finger of both hands under the ends of the pencil, try to keep the pencil level, move the finger to the middle of the pencil (you can also use a ruler). Repeat a few times, the phenomenon you observe is ____.