Merry Market is1big supermarket.It’s very near my home.There 2　many things.There are3　many people,especially(尤其是)on holidays 4 at weekends.You can5food and 　6　,clothes and so on.The shop is open 24 hours every day.The salesmen in the supermarket7　very nice and 　8　.　9　 like to talk to you and help you.You can buy things there and you can 　10meals there,too

某同学正在探究“视力的矫正”原理，如图所示．他在实验时观察到如下现象：

①将眼镜甲放在蜡烛与凸透镜之间，光屏上原来清晰的像变得模糊；只有将光屏远离透镜移动时，才能在光屏上看到烛焰清晰的像．

②将另一眼镜乙放在蜡烛与凸透镜之间，光屏上原来清晰的像也变得模糊了，只有将光屏靠近透镜移动时，才能在光屏上看到烛焰清晰的像．