使用电饭锅煮饭时，是在利用电流的 ____效应．

白天，小枫同学在老师的指导下做了一个有趣的实验：找一个圆柱形的玻璃瓶，里面装满水．把一支普通铅笔放在玻璃瓶的一侧，透过玻璃瓶，可以看到那支笔，如图所示．如果把笔由靠近玻璃瓶的位置向远处慢慢移动，会看到什么现象？小枫记录了这个过程中所看到的现象，其中有错误的是（　　）

完形填空

   My grandma 1a short woman 2  grey hair. She was always   3 . She was never sad. She was a very good  4 . Her dishes were probably the  5in the world. I  6  the taste,7 the smell as well.

   Grandma  8  care of my family. She was  9  kind and patient. She  10  two years ago and I miss her very much.

读图，回答

1645800读作：一千六百四十五万八百。